Boulder

Suburb (SAL)

Rest of WA / Goldfields

 
 
 
 
 
 
 
Data Sources ABSValuer GeneralRental BoardACARA Newest Aug 2026 · Refreshed ABS QuickStats SAL50159 How we calculate this
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Suburb (SAL) Boundary Analysis

This analysis uses Suburbs and Localities (SAL) boundaries, which can materially differ from Statistical Areas (SA2) even when sharing the same name.

SAL boundaries are defined by Australia Post and the Australian Bureau of Statistics to represent commonly-known suburb names used in postal addresses.

Statistical Areas (SA2) are designed for census data collection and may combine multiple suburbs or use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.

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Sales ActivityProperty Sales Trends in Boulder

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DemographicsPopulation Growth in Boulder

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Boulder has an estimated 5,283 residents, up from 4,872 at the 2021 Census — a change of 411 people, or 8.4%. Growth has averaged 0.9% a year over five years. Natural increase accounts for 55.0% of that increase. That puts 1,201 residents on each square kilometre. Population is estimated from ABS Estimated Resident Population releases and GNAF address data, re-based from the 2021 Census and updated annually.

Detail

Based on demographic evaluations from the ABS for the surrounding territory, along with newly verified addresses from AreaSearch post-Census, the suburb of Boulder has an estimated population of 5,283 as of May 2026. This represents a gain of 411 residents (8.4%) relative to the 2021 Census, which counted 4,872 individuals. This shift is calculated from a resident base of 5,278, which AreaSearch projected using the most recent ABS ERP statistics from June 2025 plus 26 validated new addresses registered after the Census. This population level yields a density of 1,200 persons per square kilometer, matching typical averages recorded across regions reviewed by AreaSearch.

The 8.4% expansion rate in the suburb of Boulder since the 2021 census outpaced the SA3 territory (7.5%) and the SA4 territory, positioning it as a local growth frontrunner. Natural increase was the primary contributor, accounting for roughly 55.00000000000001% of all population increases in recent times. Projections from the ABS and Geoscience Australia for individual SA2 regions, published in 2024 using 2022 as a baseline, have been adopted by AreaSearch. For SA2 territories lacking this data, and to model trends past 2032, growth rates by age cohort from the 2023 ABS Greater Capital Region projections (resting on 2022 data) are applied. Looking at future demographic shifts, the suburb of Boulder is anticipated to experience gains slightly below the median of national non-metropolitan areas, growing by 346 residents by 2041 under consolidated SA2 forecasts, representing a 6.5% overall expansion over the 16 years.

Frequently Asked Questions - Population

What is the latest population estimate for the suburb of Boulder?
Total population for the suburb of Boulder was estimated to be approximately 5,283 as at May 26. This is based upon an estimated resident population of 5,278 from the ABS up to June 2025.
How has the population in the suburb of Boulder changed since 2021?
The suburb of boulder has added approximately 411 people and shown a 8.44% increase from the 4,872 people recorded at the 2021 Census period.
What is the population density in the suburb of Boulder?
The population density in the suburb of Boulder is estimated at 1,200 persons per square kilometer based on the latest population estimate.
How much has the population grown over the past 10 years in the suburb of Boulder?
Over the past 10 years, the population in the suburb of Boulder has shown a compound annual growth rate of 0.0% per annum.
What are the main drivers of population growth in the suburb of Boulder?
Population growth in the suburb of Boulder is driven by: Natural increase (55.00000000000001%), Overseas migration (45.0%), Interstate migration (0.0%). The primary driver is Natural increase, contributing 55.00000000000001% of overall population gains.

Residential SupplyHousing Development & Building Approvals in Boulder

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26 new dwellings have been approved in Boulder over the past five years, an average of 5 a year. That is 1.0 approvals per 1,000 residents. Few approvals have been recorded in the most recent months, well below the longer-run average; the latest ABS periods are still being reported. Figures come from ABS building approvals aggregated to this Suburb (SAL) boundary and are updated monthly as the ABS releases them.

Detail

AreaSearch analysis of ABS building approvals indicates that the suburb of Boulder has averaged about 5 authorized residential units annually, with 26 dwellings approved over the previous 5 financial years (FY-21 to FY-25) and none so far in FY-26. Because an average of 8.8 new residents per constructed dwelling arrived over the last 5 financial years (FY-21 to FY-25), the volume of supply is falling far behind demand, typically triggering intense buyer competition and upward pricing pressure, while new residences carry an average development value of $538,000, showing that builders are focusing on premium, upscale housing.

Additionally, commercial approvals of $2.0 million have been documented this financial year, pointing to a predominantly residential orientation. In comparison to the Rest of WA, the suburb of Boulder generates approximately 62% of the building activity per capita, ranking in the 16th percentile of all areas analyzed nationwide, which translates to fewer options for buyers and bolsters demand for established properties. This rate is also below the national average, reflecting local maturity and potential zoning limits. Recent building approvals consist of 60.0% standalone residences and 40.0% medium and high-density developments, indicating a growing array of medium-density choices that provide options across different price points, from standard family homes to smaller, budget-friendly layouts. This marks a shift from the current housing stock (which is 82.0% houses), highlighting a decline in available building sites alongside evolving lifestyles and a need for varied, low-cost housing. With roughly 957 people for every approval, the suburb of Boulder displays the characteristics of a mature, settled community. Long-term forecasts suggest the suburb of Boulder will add 341 residents by 2041, based on the latest quarterly calculations by AreaSearch. If current building rates do not change, housing supply may fail to keep pace with population growth, likely driving up buyer competition and supporting property value increases.

Frequently Asked Questions - Development

How many dwelling approvals have occurred in the suburb of Boulder recently?
Dwelling approval activity in the the suburb of Boulder area has seen 11 residential approvals over the past two financial years, based on AreaSearch's SA2 aggregation method. The suburb of Boulder's current population of 5,283 has been supported by 5 approvals on average over recent years.
How does the suburb of Boulder's development activity compare to the broader region?
The suburb of Boulder has seen 0.1 approvals per 100 people in recent years, compared to 0.54 approvals in the broader region. This means that one dwelling has been approved for every 956 people in the suburb of Boulder, compared to one for every 199 in the broader region.
Is the suburb of Boulder keeping up with housing demand?
With the population expected to increase by 341 people by 2041, around 114 new dwellings will be necessary. Recent approval levels may be insufficient to meet these forecasts, considering the census average of 3.0 persons per dwelling. This indicates potential housing shortages if current approval trends continue.
What has been the trend in development approvals over the past five years in the suburb of Boulder?
Looking at development activity over the past five years, the suburb of Boulder's approval levels have been significantly below the yearly average of 5, showing a notable downturn in recent development.
How many dwellings will be needed to accommodate future population growth in the suburb of Boulder?
The population in the suburb of Boulder is expected to grow by 341 people by 2041, necessitating approximately 114 new dwellings. This calculation is based on the current census average of 3.0 persons per dwelling in the area.
How does recent development compare to population growth in the suburb of Boulder?
Over the past five years, the suburb of Boulder has seen 26 residential approvals while population has remained stable or declined, indicating potential market oversupply.
Are there opportunities for residential developers in the suburb of Boulder?
With dwelling approval activity running at an average of 5 approvals per year and a population of 5,283, there appears to be a supply shortfall relative to projected demand, presenting strong opportunities for residential developers. With the population expected to increase by 341 people by 2041, around 114 new dwellings will be necessary. Current approval trends may be insufficient to meet forecast demand, indicating strong development opportunities.
Approvals Pipeline Development applications near Boulder

Development applications around Boulder

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SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.

Project PipelineInfrastructure & Major Projects in Boulder

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AreaSearch tracks one current infrastructure or development project inside Boulder. A further 15 sit in the immediately surrounding suburbs, taking the tracked pipeline within reach of the area to $963 million. 2 are already under construction and 3 are due for completion within three years. The pipeline spans manufacturing, communities, precincts & urban renewal and communities. Records are compiled from Infrastructure Australia, state agencies, council planning portals and public announcements, reviewed and updated daily, then ranked by proximity, construction stage, completion horizon and project scale.

Detail

An area's economic performance is heavily shaped by local infrastructure updates, major construction projects, and zoning plans. AreaSearch has identified a total of 2 key developments expected to influence this locality. Prominent projects include the Lynas Rare Earths Processing Facility, the Goldfields Pipeline Renewal (Stage 1), the Workers Lifestyle Village, and the Kalgoorlie-Boulder Water Bank Project, with the following list detailing those of highest local significance.

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Frequently Asked Questions - Infrastructure

What are some of the major infrastructure and planning changes likely to influence the suburb of Boulder?
Key infrastructure and planning changes likely to influence the suburb of Boulder include: Lynas Rare Earths Processing Facility (Construction); Goldfields Pipeline Renewal (Stage 1) (Planning); Workers Lifestyle Village (Approved); Kalgoorlie-Boulder Water Bank Project (Planning); and Kalgoorlie Vanadium Flow Battery Project (Proposed). These projects represent significant developments that will shape the area's future infrastructure landscape.
What types of infrastructure projects are impacting the suburb of Boulder?
Infrastructure development impacting the suburb of Boulder spans multiple sectors including Environmental & Disaster Management, Transport & Logistics, and Manufacturing, among others.
What is the scale of infrastructure investment impacting the suburb of Boulder?
Infrastructure investment analysis indicates significant investment of approximately $648 million in infrastructure projects affecting the region, with a notable concentration of investment within the immediate the suburb of Boulder vicinity.
How does the suburb of Boulder's infrastructure development compare to other areas?
Infrastructure development activity impacting the suburb of Boulder currently ranks below national averages at the 13thth percentile.
Goldfields Pipeline Renewal (Stage 1)
Category: Environmental & Disaster Management
Stage: Planning | Est. Comp: 2027
Source / Links: Link 1   Link 2  

Stage 1 of a long-term, 70-year program to renew the historic 566km Goldfields and Agricultural Water Supply Scheme (GAWSS), which was commissioned in 1903 and runs from Mundaring Weir near Perth to Kalgoorlie-Boulder. The first stage involves replacing 44.5km of ageing original pipe with new sections installed primarily below ground in the Shires of Merredin, Westonia, and Yilgarn. Works also include valve upgrades to improve network reliability and a major expansion of the Binduli Reservoir in Kalgoorlie, doubling its storage capacity.The upgrades will lift scheme capacity by up to 7.2 million litres per day from 2027 to support residential, mining and industrial growth across the Goldfields and Wheatbelt while preserving the pipeline's National Heritage values. Funded through a 543 million dollar commitment in the 2025-26 State Budget. Heritage Management Plan and Interpretation Strategy were approved by the Commonwealth Government in July 2025. Construction is scheduled to commence in May 2026 and complete by late 2027.

Environmental & Disaster Management

Kalgoorlie Rail Realignment
Category: Transport & Logistics
Stage: Planning | Est. Comp: 2030
Source / Links: Link 1   Link 2  

The project involves realigning the rail line through Kalgoorlie to bypass the Super Pit gold mine, remove 25 kilometers of existing track, and construct new lines connected to an intermodal hub. It aims to reduce pressure on Fremantle Port, streamline transport, and support industrial development. A business case was delivered by Deloitte and Arup for the Goldfields-Esperance Development Commission in partnership with the Australian and Western Australian governments.

Transport & Logistics

Kalgoorlie-Boulder Water Bank Project
Category: Environmental & Disaster Management
Stage: Planning | Est. Comp: 2030
Source / Links: Link 1   Link 2  

A multi-stage water security initiative led by the City of Kalgoorlie-Boulder to strengthen the city's non-potable water supply through improved stormwater capture, recycled water treatment, and storage infrastructure. Stage 1 (around 19 million dollars) covers the Rock Filter upgrade at the South Boulder Wastewater Treatment Plant and a new water recycling dam at the existing Racecourse Dam site. Stage 2 (around 46.3 million dollars) adds two further dams plus a pipeline and pump station to move recycled water to Swan Lakes Dam.Stage 3 (around 26.7 million dollars) delivers another dam, a pilot desalination plant in partnership with industry, and evaporative controls on selected dams and basins. The program builds on 12.2 million dollars already invested between 2020 and 2023 to upgrade the South Boulder treatment lagoons, and aims to reduce the city's reliance on the Goldfields Pipeline as the population grows and major industrial users such as Lynas Rare Earths increase demand. The City is continuing to seek state and federal funding to deliver the remaining stages.

Environmental & Disaster Management

KCGM 800-Bed Workers Accommodation Camp
Category: Residential Development
Stage: Dev. Approval | Est. Comp: 2026
Source / Links: Link 1   

An 800-bed workforce accommodation facility for Northern Star Resources supporting the KCGM Growth Project and Super Pit expansion. The approved development includes 200 four-room accommodation cabins, communal dining, gym, laundry, offices, maintenance facilities, parking, a new water pipeline and sewer connection. Following revisions to address planning concerns, the WA Development Assessment Panel approved the project in July 2025. The camp will support construction and operational workforce requirements associated with the KCGM expansion.

Residential Development

Lynas Rare Earths Processing Facility
Category: Manufacturing
Stage: Construction | Est. Comp: 0
Source / Links: Link 1   Link 2  

A new Rare Earths Processing Facility in Kalgoorlie to process the Rare Earth concentrate from the Mt Weld mine. The material produced in Kalgoorlie will be further processed at the Lynas Malaysia advanced materials plant or at the proposed Rare Earths separation facility in the United States.

Manufacturing

Lot 101 Brookman Street Redevelopment
Category: Communities, Precincts & Urban Renewal
Stage: Planning | Est. Comp: 2029
Source / Links: Link 1   Link 2  

Redevelopment of the 1.52-hectare former Coles and Kmart site in the Kalgoorlie CBD. Following an EOI process for demolition and mixed-use development in 2024, the City of Kalgoorlie-Boulder is progressing planning for a high-density precinct under LPS2. The site is zoned Commercial R-AC1, allowing for up to 9 storeys with required active non-residential uses at ground level. As of May 2026, the project remains in the pre-development planning phase with a focus on heritage-sensitive demolition and CBD activation.

Communities, Precincts & Urban Renewal

GreenView at Karlkurla
Category: Communities
Stage: Construction | Est. Comp: 0
Source / Links: Link 1   Link 2  

GreenView at Karlkurla is a residential land estate in Kalgoorlie, WA, delivered by DevelopmentWA on Karru Way, adjacent to the Kalgoorlie Golf Course and natural bushland. The estate is being released in stages, with Stage 4 now titled and almost fully sold, offering lots from 638sqm to 1,039sqm starting at $205,000. The estate includes a landscaped park with a children's playground and dual-use pathways, and previously included a component of social housing lots. It sits close to Hannans Boulevard Shopping Centre and North Kalgoorlie Primary School, and provides a mix of single residential and multi-residential (townhouse/apartment) lots across roughly 130 total homesites.

Communities

Fabric Street Temporary Workforce Accommodation
Category: Residential Development
Stage: Under Assessment | Est. Comp: N/A
Source / Links: Link 1   Link 2  

Proposed temporary workforce accommodation for BHP Nickel West on City of Kalgoorlie-Boulder land to accommodate up to 1,000 construction workers during major works. Following BHP's temporary suspension of Western Australia Nickel operations from October 2024, the project has not progressed to construction and remains under assessment with no confirmed delivery timetable.

Residential Development

Jobs & IndustryEmployment Trends in Boulder

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2,791 residents of Boulder are employed, from a labour force of 2,904. Unemployment sits at 3.9%, with participation at 70.1%. Weighted for its industry mix, the area's sectors are forecast to grow about 4.9% nationally over five years. That reflects industry composition only and makes no allowance for local population growth. The working-day population is estimated at 4,023, about 76% of the resident population, so more people leave the area for work than travel in. Unemployment and labour force come from ABS Small Area Labour Markets, updated quarterly; the industry and occupation profile is from the 2021 Census.

Detail

The suburb of Boulder has a diverse workforce distributed across professional and industrial jobs, with strong representation in production and manufacturing, an unemployment rate of just 3.9%, and a 2.9% rise in estimated jobs over the last year according to regional data compiled by AreaSearch. In March 2026, 2,791 residents were employed, while the jobless rate was 0.4% higher than the Regional WA figure of 3.5%, and labor participation was relatively typical at 70.1% compared to 65.6% in Regional WA. Census records indicate a minor 2.4% of working residents operated from home, though the influence of pandemic lockdowns should be noted.

Local jobs are heavily concentrated in the extraction sector, retail commerce, and hospitality. Mining shows an exceptionally high concentration, employing workers at 2.4 times the regional average. Conversely, farming, logging, and fishing occupy a mere 0.1% of local employees, which is below the 9.3% average for Regional WA. Comparison of the Census working population against resident numbers suggests this primarily residential district offers limited local job opportunities. Based on AreaSearch processing of SALM and ABS data from wider statistical zones, employment grew by 2.9% and the labor force expanded by 3.2% over the 12 months ending March 2026, pushing the unemployment rate up by 0.3 percentage points. By contrast, Regional WA saw jobs drop by 0.1% and the labor force grow by 0.3%, with unemployment climbing 0.4 percentage points. National employment projections from May-25 by Jobs and Skills Australia provide further context on possible future demand patterns in the suburb of Boulder. These five and ten-year forecasts have been applied to the local workforce structure to model future growth. Nationally, jobs are expected to grow by 6.6% over five years and 13.7% over ten years, but growth profiles vary widely by sector. Applying these industry weights to the local workforce suggests employment in the suburb of Boulder will rise by 4.9% over five years and 11.3% over ten years, representing a simple weighted model that does not incorporate local population projections.

Frequently Asked Questions - Employment

What is the employment situation in the suburb of Boulder?
As of March 2026, the suburb of Boulder has approximately 2,791 employed residents with an unemployment rate of 3.9%. This healthy unemployment rate suggests a well-functioning labour market. Employment performance is above the national median, showing positive labour market dynamics.
How does the suburb of Boulder's unemployment rate compare to the broader region?
As of March 2026, the unemployment rate in the suburb of Boulder stands at 3.9%, which is broadly in line with Regional WA's rate of 3.5%. For comparison, the national unemployment rate is 4.2%.
What are the major employment sectors in the suburb of Boulder?
The employment landscape in the suburb of Boulder is dominated by several key sectors. The largest employers are mining (28.1% of employment), retail trade (9.2%), and accommodation & food (8.1%). Other significant employers include health care & social assistance and construction.
How has employment changed recently in the suburb of Boulder?
Over the past year to March 2026, the suburb of Boulder has experienced employment growth, with total employment increasing while the labour force increased. As a result, the unemployment rate has rise. By comparison, Regional WA saw employment decreased and its unemployment rate rose.
What is the workforce participation rate in the suburb of Boulder?
The workforce participation rate in the suburb of Boulder is 70.1%, which represents the proportion of working-age residents who are either employed or actively seeking work. This high participation rate indicates strong workforce engagement and economic vitality. The local rate leading the Regional WA average of 65.6%, showing similar workforce dynamics to the broader region.
Which industries are over-represented in the suburb of Boulder's employment market?
The suburb of boulder shows notable specialization in mining, which employs 28.1% of the local workforce compared to 11.7% regionally. With a local vs regional employment ratio of 2.4, this represents a significant industry cluster that likely serves markets beyond the local area. The area also shows above-average employment in 1 other sectors, contributing to a distinctive economic profile.
What are the employment growth prospects for the suburb of Boulder?
Based on Jobs and Skills Australia projections applied to the suburb of Boulder's industry mix, employment is expected to grow by 4.9% over the next five years and 11.3% over ten years. This compares to national growth expectations of 6.6% over five years.
How does the job market in the suburb of Boulder compare nationally?
The suburb of boulder's employment market shows above-average performance nationally, placing in the top half of areas assessed. Employment indicators suggest healthy labour market conditions relative to other regions. Recent job advertisement trends show the broader employment region experienced 3.0% growth, ranking 5.0th out of 37 regions nationally.
What employment opportunities exist for skilled workers in the suburb of Boulder?
Skilled workers will find selective opportunities in the suburb of Boulder, with knowledge-based sectors representing 16.9% of local jobs. Key sectors for skilled workers include health care & social assistance (7.7%), education & training (4.8%), and professional & technical (3.9%).

EarningsHousehold Income in Boulder

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Median household income in Boulder is $1,968 a week (about $102,000 a year), with median personal income at $1,019 a week. ATO records put median taxable income at $66,394 a year against an average of $78,694. Household income is from the 2021 Census; taxable income is from ATO Taxation Statistics for the latest financial year available, indexed forward using the ABS Wage Price Index.

Detail

According to the latest postcode ATO statistics for the 2023 financial year, the suburb of Boulder has a median taxpayer income of $66,394 and an average of $78,694. This sits well above the national benchmark, comparing to a median of $59,973 and an average of $74,392 in Regional WA. Factoring in Wage Price Index growth of 10.93% since the 2023 financial year, current figures are estimated at roughly $73,651 for the median and $87,295 for the average as of March 2026. The 2021 Census highlights that individual weekly earnings ($1,019) place in the 80th percentile nationally.

The $1,500 - 2,999 bracket is the most common, containing 38.5% of residents (2,033 people), which matches the broader region where this group accounts for 31.1%. After meeting housing costs, households keep 88.1% of their earnings, demonstrating strong spending capacity.

Frequently Asked Questions - Income

What is the median taxable income in the suburb of Boulder?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the suburb of Boulder is approximately $73,651. The official ATO data from FY-23 recorded a median of $66,394.
What is the average taxable income in the suburb of Boulder?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the suburb of Boulder is approximately $87,295. The official ATO data from FY-23 recorded an average of $78,694.
How does the median taxable income in the suburb of Boulder compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the suburb of Boulder is approximately $73,651 compared to $66,528 in Regional WA. The official ATO data from FY-23 shows $66,394 and $59,973 respectively.
How does the average taxable income in the suburb of Boulder compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the suburb of Boulder is approximately $87,295 compared to $82,523 in Regional WA. The official ATO data from FY-23 shows $78,694 and $74,392 respectively.
What are the main income cohorts in the suburb of Boulder according to the 2021 Census?
As per the 2021 Census, the income bracket containing the largest proportion (~38.5% / 2,033 persons) of the suburb of Boulder's population is the $1,500 - 2,999 cohort.
How do the main income cohorts in the suburb of Boulder compare to the region?
The largest income cohort in the suburb of Boulder is the $1,500 - 2,999 group, representing about 38.5% of the population. In comparison, Regional WA's largest income cohort is the $1,500 - 2,999 group, representing 31.1% of its population, according to the 2021 Census.
What is the median household income in the suburb of Boulder according to the 2021 Census?
The 2021 Census data indicates that the median household income in the suburb of Boulder is $1,968/wk.
What is the median family income in the suburb of Boulder according to the 2021 Census?
According to the 2021 Census, the median family income in the suburb of Boulder is $2,337/wk.
What is the median personal income in the suburb of Boulder according to the 2021 Census?
The 2021 Census shows that the median personal income in the suburb of Boulder is $1,019/wk.
How does the suburb of Boulder's income rank nationally?
The suburb of Boulder's income level is well above average nationally according to the latest ATO data aggregated by AreaSearch for FY-23. The suburb of Boulder's median income among taxpayers is $66,394 and the average income stands at $78,694, which compares to figures for Regional WA's of $59,973 and $74,392 respectively. Based on Wage Price Index growth of 10.93% since FY-23, current estimates would be approximately $73,651 (median) and $87,295 (average) as of March 2026.
What is the disposable income in the suburb of Boulder?
The estimated disposable income in the suburb of Boulder is $7,514 per year according to AreaSearch analysis.
How does the suburb of Boulder's disposable income compare to the region?
The suburb of boulder's disposable income is $7,514 compared to $6,025 for Regional WA, based on AreaSearch analysis.

Housing StockHousing & Dwellings in Boulder

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Boulder had 1,633 occupied dwellings at the 2021 Census, 82% detached houses and 0% apartments. 43% are owned with a mortgage, 35% rented and 22% owned outright. At that Census the median rent was $300 a week and the median mortgage repayment $1,302 a month. Rent absorbs 15.2% of household income here and mortgage repayments 15.3%. Dwelling stock, tenure and housing costs are 2021 Census measures — the only source that counts dwellings at this boundary size.

Detail

At the time of the last Census, residential housing in the suburb of Boulder consisted of 81.9% separate houses and 18.1% alternative dwellings (townhouses, flats, and other structures), compared to 88.5% houses and 11.6% alternative structures across Regional WA. Home ownership rates in the suburb of Boulder lagged behind Regional WA at 22.0%, with the remaining properties being mortgaged (42.8%) or occupied by tenants (35.2%). The median monthly home loan payment was significantly below the Regional WA average at $1,302, while the median weekly rental cost was $300, compared to $1,560 and $265 in Regional WA.

Nationally, mortgage costs in the suburb of Boulder are much lower than the Australian average of $1,863, and rents are substantially below the national median of $375.

Frequently Asked Questions - Housing

What percentage of homes are owned vs rented in the suburb of Boulder?
In the suburb of Boulder, 22.0% of homes are owned outright, 42.8% are owned with a mortgage, and 35.2% are rented.
What percentage of dwellings in the suburb of Boulder are houses?
According to the latest data, 81.9% of dwellings in the suburb of Boulder are houses.
What percentage of dwellings in the suburb of Boulder are apartments or units?
In the suburb of Boulder, 0.0% of dwellings are apartments or units, with an additional 15.8% being semi-detached dwellings.
What is the level of outright home ownership in the suburb of Boulder?
Outright home ownership in the suburb of Boulder stands at 22.0%, compared to 34.1% in Regional WA.
What is the median monthly mortgage repayment in the suburb of Boulder?
The median monthly mortgage repayment in the suburb of Boulder is $1,302, compared to $1,560 in Regional WA.
What is the median weekly rent in the suburb of Boulder?
The median weekly rent in the suburb of Boulder is $300, compared to $265 in Regional WA.
What is the distribution of rental prices in the suburb of Boulder?
In the suburb of Boulder, 8.5% of rentals are $0-149/week, 61.4% are $150-349/week, 30.1% are $350-649/week, 0.0% are $650-949/week, and 0.0% are $950+/week.
What is the average monthly housing cost in the suburb of Boulder?
The aggregate monthly housing cost in the suburb of Boulder is $1,014, which represents the average monthly cost across all housing types.
What percentage of income do residents spend on housing in the suburb of Boulder?
In the suburb of Boulder, households with mortgages typically spend 15.3% of their income on mortgage repayments, while renters spend 15.2% of their income on rent.
How crowded are homes in the suburb of Boulder?
The average persons per bedroom ratio in the suburb of Boulder is 0.8, indicating the level of household density.
How does housing affordability in the suburb of Boulder compare to the region?
Housing affordability in the suburb of Boulder shows mortgage holders spending 15.3% of income on repayments (vs 22.5% regionally), while renters spend 15.2% of income on rent (vs 16.6% regionally).
What types of dwellings are most common in the suburb of Boulder?
The dwelling mix in the suburb of Boulder consists of 81.9% detached houses, 15.8% semi-detached dwellings, 0.0% apartments, and 2.3% other dwelling types.
What is the weighted average housing cost based on tenure mix in the suburb of Boulder?
Accounting for the local ownership mix, the weighted average monthly housing cost is approximately $1,015. This accounts for outright owners paying no housing costs, mortgage holders paying $1,302/month, and renters paying $1,299/month.
How affordable is housing in the suburb of Boulder relative to local incomes?
Housing in Boulder consumes approximately 11.9% of median household income ($8,521 monthly), indicating costs are highly affordable. The generally accepted benchmark is that housing should not exceed 30% of household income.
How do proposed developments compare to existing housing types in the suburb of Boulder?
Recent development applications in Boulder show attached dwellings contributing 0% of approvals compared to 18% of existing stock, while detached houses represent 100% of applications versus 82% of current dwellings. This suggests development patterns consistent with existing housing mix. Housing density growth is around the national average.

HouseholdsHousehold Composition in Boulder

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Boulder counted 1,633 households at the 2021 Census, an estimated 1,771 today, averaging 2.4 people each. 27% are couples with children, against 23% couples without children. 30% of households are people living alone, and families average 1.9 children. Household and family composition is measured only by the Census, so these are 2021 figures.

Detail

Families make up 65.0% of all households, consisting of 26.8% couples with children, 23.2% couples without children, and 13.3% single parent households. Non-family households represent the remaining 35.0%, with single-person households at 30.2% and share houses at 4.8% of the total. The median household size is 2.4 residents, slightly below the Regional WA average of 2.5.

Frequently Asked Questions - Households

How many households are in the suburb of Boulder?
As of the 2021 Census, the suburb of Boulder had 1,633 households. Based on population growth patterns, this has grown by approximately 8.5% to an estimated 1,771 households today.
What is the typical household size?
The median household size in the suburb of Boulder is 2.4 people. This compares to 2.5 in Regional WA and reflects the area's household composition mix.
What types of households are most common?
Family households dominate at 65.0% of all households. The remaining households consist of lone person households (30.2%), group households (4.8%), and other household types (0.2%).
How are families structured in the area?
Among the 1,061 family households, 26.8% are couples with children, 23.2% are couples without children at home, and 13.3% are single parent families. This mix shapes local demand for schools, family services, and housing types.
How does the suburb of Boulder compare to regional household patterns?
Compared to Regional WA, the suburb of Boulder shows distinct household patterns. This higher proportion of single-person households drives demand for smaller dwellings and different community services.
What is the average family size?
Families in the suburb of Boulder have an average of 1.9 children, matching the Regional WA average of 1.9. This influences local demand for child-related services and larger family homes.
What are the marriage patterns in the suburb of Boulder?
Marriage patterns reveal 34.9% of the adult population are currently married, while 46.7% have never married. This compares to 46.4% married and 35.8% never married across Regional WA.
How significant are single-person households?
Single-person households represent 30.2% of all households in the suburb of Boulder, similar to the regional average of 27.4%. This affects demand for smaller dwellings and single-person accommodation.
Are shared living arrangements common?
Group households (unrelated people sharing) account for 4.8% of households, well below the Regional WA average of 2.8%. This low rate suggests limited student or young professional shared accommodation.
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EducationSchools & Education in Boulder

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9.3% of adults in Boulder hold a university qualification, including 7.1% with a bachelor degree and 1.3% with postgraduate qualifications. A further 39.7% hold a vocational qualification. 4 schools serve the area, with 545 enrolment places and an average ICSEA of 971 against a national benchmark of 1,000. Qualifications come from the 2021 Census; school enrolments, ICSEA and results come from ACARA's current release.

Detail

Educational metrics point to low rates of higher education, with university graduation rates at 9.3%, well below the national average of 30.4%. This presents a challenge as well as a target for focused educational programs. Bachelor degrees are the most common higher qualification at 7.1%, followed by postgraduate studies at 1.3% and graduate diplomas at 0.9%. Practical and vocational skills are prominent, with 47.2% of residents aged 15 and over holding vocational qualifications, including advanced diplomas at 7.5% and certificates at 39.7%. Participation in schooling is notably strong, with 35.7% of local residents actively enrolled in an educational program.

This figure includes 16.1% in primary school, 9.5% in high school, and 2.4% undertaking higher education.

Frequently Asked Questions - Education

What percentage of people in the suburb of Boulder have university qualifications?
9.3% of people aged 15 and over in the suburb of Boulder have university qualifications, compared to 17.6% in the broader region.
What percentage of people in the suburb of Boulder have no formal qualifications?
43.5% of people aged 15 and over in the suburb of Boulder have no formal qualifications, compared to 40.5% regionally.
How does the suburb of Boulder's education level compare to national averages?
The suburb of boulder ranks in the 26th percentile nationally for education based on AreaSearch's analysis of qualification and performance metrics.
What types of qualifications are most common in the suburb of Boulder?
The most common qualifications in the suburb of Boulder are: Certificate (39.7%), Advanced Diploma (7.5%), Bachelor Degree (7.1%).
What proportion of the suburb of Boulder's population is currently attending educational institutions?
35.7% of the population in the suburb of Boulder is currently engaged in formal education, with 16.1% in primary school, 9.5% in secondary school, 2.4% at university.
What is the ICSEA score for schools in the suburb of Boulder?
The average ICSEA (Index of Community Socio-Educational Advantage) score for schools in the suburb of Boulder is 971, indicating below-average socio-educational advantage compared to the national average of 1000.
How many schools are located within the suburb of Boulder?
There are 4 schools within the suburb of Boulder, with a combined enrollment of approximately 545 students.
What types of schools are available in the suburb of Boulder?
The suburb of boulder includes 3 primary schools, 1 secondary school.

Schools Detail

AmenitiesServices & Amenities in Boulder

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Getting AroundTransport & Commuting in Boulder

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Public transport in Boulder reaches 39 stops on 5 routes, timetabled for about 130 services a week. The typical home sits about 220 m from its nearest stop. Households keep an average of 1.6 vehicles. Stop and service counts are built from operators' published GTFS timetables and refresh with each timetable release; vehicle ownership is from the 2021 Census.

Detail

Public transit records show 39 transit stops operating in the suburb of Boulder, consisting of various bus options. These stops are served by 5 distinct routes, which combine to offer 132 passenger journeys per week. Access to transit is classified as good, with residents living an average of 220 meters from the nearest stop. Due to the area's residential nature, most workers travel outward to work, with cars remaining the main transit mode at 91%. Households own an average of 1.6 vehicles. A low 2.4% of workers worked from home, according to the 2021 Census, which may reflect pandemic-era conditions.

Transit services average 18 daily journeys across all active routes, which translates to about 3 weekly trips at each individual transit stop.

Frequently Asked Questions - Transport

How many public transport stops are in Boulder?
There are 39 public transport stops within the suburb of Boulder.
How frequent are the transport services in Boulder?
the suburb of Boulder has 132 weekly trips across 5 routes, averaging 18 trips per day.
How far are residents from public transport in Boulder?
On average, residential properties are 220 meters from the nearest transport stop.

Transport Stops Detail

HealthcareHealth Services in Boulder

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72.0% of residents in Boulder report no long-term health condition. 3.4% need daily assistance with core activities, and 58.4% hold private health cover. The standardised death rate runs at 6.6 per 1,000 residents. Health conditions, assistance needs and insurance are 2021 Census measures; the death rate comes from current ABS releases.

Detail

The suburb of Boulder faces noticeable health concerns based on mortality figures and chronic disease rates, with common conditions present across both younger and older demographics, while the share of residents with private health insurance is unusually high at roughly 58% of the population (3,087 people), compared to 56.4% in Regional WA. Mental health conditions and asthma are the most prevalent health issues, affecting 7.7 and 7.4% of citizens respectively, while 72.0% of the population reported no chronic conditions, compared to 69.3% in Regional WA. Health metrics for working-age residents are generally typical.

Residents aged 65 and older represent 10.7% of the population (565 people), which is lower than the 19.2% rate in Regional WA, with national comparisons for the group ranking higher than the general population.

Frequently Asked Questions - Health

How many people in the suburb of Boulder have private health insurance?
Around 58.4% of people in the suburb of Boulder are covered by private health insurance, which compares to 56.4% in the broader region of Regional WA.
What percentage of the population requires ongoing medical assistance in the suburb of Boulder?
In the suburb of Boulder, 3.4% of the population is identified as requiring ongoing medical assistance. This figure is slightly different from the regional average, where 4.6% of people in Regional WA require similar assistance.
How prevalent is asthma in the suburb of Boulder?
7.4% of people in the suburb of Boulder are diagnosed with asthma. In comparison, 7.2% of the population across Regional WA is affected by asthma.
What percentage of people have diabetes in the suburb of Boulder?
Diabetes affects 5.1% of the the suburb of Boulder population, while in the surrounding region, 4.6% of people are diagnosed with diabetes.
What is the percentage of people with heart disease in the suburb of Boulder?
3.2% of people in the suburb of Boulder have heart disease. Across the region of Regional WA, 3.6% of the population is affected by heart disease.
How does the suburb of Boulder compare to the region in terms of overall private health coverage?
In the suburb of Boulder, 58.4% of the population are estimated to have private health insurance. Comparatively, Regional WA sees an estimated private health coverage rate of 56.4%.

Ancestry & LanguageCultural Diversity in Boulder

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Boulder is largely Australian-born, at 78.2% of residents, with 10.1% speaking a language other than English at home. The largest reported ancestries are English (27.9%) and Australian (27.2%). 6.8% of residents identify as Aboriginal and/or Torres Strait Islander. Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.

Detail

The suburb of Boulder is close to regional averages for ethnic diversity, with 72.0% of residents holding citizenship, 78.2% born in Australia, and 89.9% speaking only English at home. Christianity is the primary religion, followed by 40.3% of the community. The most distinct relative overrepresentation is seen in Buddhism, which accounts for 1.3% of residents compared to 1.0% across Regional WA. Regarding ancestral backgrounds (parents' countries of birth), the three largest heritages are English at 27.9% of the population, Australian at 27.2%, and Irish at 7.0%. There are also distinct concentrations of other backgrounds, with Maori overrepresented at 3.5% of the population (compared to 1.0% regionally), New Zealand ancestry at 1.6% (compared to 0.9% regionally), and Australian Aboriginal ancestry at 6.8% (compared to 6.1% regionally).

Frequently Asked Questions - Diversity

What is the level of cultural diversity in the suburb of Boulder?
Boulder was found to be roughly in line with the wider region's average in terms of cultural diversity, with 72.0% of its population being citizens, 78.2% born in Australia, and 89.9% speaking English only at home.
What is the most common religion in the suburb of Boulder?
The main religion in Boulder was found to be Christianity, which makes up 40.3% of people in Boulder. However, the most apparent overrepresentation was in Buddhism, which comprises 1.3% of the population, compared to 1.0% across Regional WA.
What are the top countries of origin in the suburb of Boulder?
In terms of ancestry (country of birth of parents), the top three represented groups in Boulder are English, comprising 27.9% of the population, Australian, comprising 27.2% of the population, and Irish, comprising 7.0% of the population. Additionally, there are notable divergences in the representation of certain other ethnic groups: Maori is notably overrepresented at 3.5% of Boulder (vs 1.0% regionally), New Zealand at 1.6% (vs 0.9%) and Australian Aboriginal at 6.8% (vs 6.1%).
How does the percentage of people born overseas compare to the regional average?
21.8% of the the suburb of Boulder population was born overseas, compared to 19.8% regionally.
What percentage of the the suburb of Boulder population speaks a language other than English at home?
10.1% of the population in the suburb of Boulder speaks a language other than English at home, compared to 9.7% in the wider region.
How many people in the suburb of Boulder identify as Australian Aboriginal?
6.8% of the the suburb of Boulder population identifies as Australian Aboriginal, compared to 6.1% in the region.
What is the citizenship status of the population in the suburb of Boulder?
72.0% of the the suburb of Boulder population holds citizenship, compared to 82.8% in the wider region.

Age StructureAge Profile of Boulder

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The median resident of Boulder is 34, younger than 76% of areas nationally. That is 1 year younger than at the 2021 Census. 30.6% of residents are aged 15 to 34. Age cohorts are not raw Census counts: the Census split is re-based to the latest ABS population estimates and state projections.

Detail

Having a median age of 34, the suburb of Boulder is notably younger than Regional WA (40 years) and below the national median of 38 years. The 25 - 34 demographic has a high concentration at 17.3% compared to Regional WA, while the 75 - 84 age bracket is less common at 2.8%. Since 2021, the 25 to 34 age bracket has risen from 15.2% to 17.3% of the population, and the 15 to 24 group has expanded from 11.9% to 13.3%. Conversely, the 45 to 54 group dropped from 13.0% to 11.0%.

Looking toward 2041, forecasts point to major changes in the age profile of the suburb of Boulder. Leading these changes, the 25 to 34 bracket is projected to grow by 35% (321 people), rising to 1,235 from 913. Meanwhile, the numbers of residents in the 75 to 84 and 65 to 74 brackets are expected to decrease.

Frequently Asked Questions - Age

What is the median age in the suburb of Boulder?
According to the latest data, the median age in the suburb of Boulder is 34 years.
How does the suburb of Boulder's median age compare to broader areas?
At 34 years, Boulder is 6 years younger than the Regional WA average (40 years) and 4 years younger than the national average (38 years).
What age groups are over-represented in the suburb of Boulder?
The most over-represented age group in the suburb of Boulder compared to the Regional WA region is the 25 - 34 group, making up 17.3% of the population.
What age groups are under-represented in the suburb of Boulder?
The most under-represented age group in the suburb of Boulder compared to the Regional WA region is the 75 - 84 group, making up 2.8% of the population.
Are there age groups with notable population variances?
Yes, certain age groups in the suburb of Boulder show significant variance compared to the Regional WA region. The most over-represented age group is 25-34 year-olds (17.3% vs 12.6%). The most under-represented age groups are 85+ year-olds (0.3% vs 2.0%) and 75-84 year-olds (2.8% vs 6.3%).
What is the percentage of children (0-14 years) in the suburb of Boulder?
The percentage of children aged 0-14 years in the suburb of Boulder is 21.7%.
What is the percentage of older people (65+ years) in the suburb of Boulder?
The percentage of people aged 65 and over in the suburb of Boulder is 10.7%.

Data & MethodBoundaries, Sources & Method for Boulder

Data currency Refreshed

8 of 14 data sections on this page were updated within the last 12 months — the newest current to Aug 2026.

Everything is aggregated to the Suburb (SAL) boundary shown above, on a 2021 Census baseline. Only 3 sections — housing, households and cultural diversity — still wait on the 2026 Census.

The ledger — source, cycle and currency by section

Section Source & update cycle Currency
Updated within the last 12 months 8 sections
Population ABS, GNAF, Geoscience Australia Annual (ABS ERP) May 2026 3 months ago headline measures · 2021 Census baseline
Re-based to the ABS Estimated Resident Population (June 2025 release) and updated with new dwellings from GNAF address data. Current to May 2026, with the 2021 Census supplying the small-area baseline.
Age profile ABS, Geoscience Australia, State governments Annual May 2026 3 months ago headline measures · 2021 Census baseline
Age cohorts are re-based to the latest ABS population estimates and state projections, current to May 2026. Each cohort is held as a Census baseline and a current estimate.
Development & approvals ABS, GNAF Monthly (ABS approvals) Jun 2026 2 months ago headline measures · May 2026 baseline
Property sales & rents Valuer General, Rental Board, ABS Weekly sales, quarterly rents Aug 2026 this month all 21 measures
Sales from the state Valuer General register, refreshed weekly, and rents from quarterly rental bond lodgements. Both are read live each time this page loads, current to Aug 2026.
Employment ABS, DEWR, JSA Quarterly (ABS SALM) Mar 2026 5 months ago headline measures · 2021 Census baseline
Unemployment and labour force from ABS Small Area Labour Markets, current to Mar 2026. The growth outlook applies Department of Employment (now Jobs and Skills Australia) forecasts for all 19 industry divisions to the local industry mix, so it measures sector composition rather than local expansion and makes no allowance for population growth. Job demand comes from the same agency via its Internet Vacancy Index; industry and occupation structure from the 2021 Census.
Education ABS, ACARA Annual (ACARA) Jul 2026 last month headline measures · 2021 Census baseline
Transport ABS, State Transport Departments Each timetable release Jul 2026 last month headline measures · 2021 Census baseline
Services & amenities Provider directories, ACECQA Continuous Jul 2026 last month all 14 measures
Annual and financial-year sources 3 sections
Infrastructure projects Infrastructure Australia, State agencies, Local governments Daily Jul 2025 about a year ago all 1 projects tracked here
Project pipeline maintained continuously from Infrastructure Australia, state agencies, local government and public announcements. Records are added and revised daily; this area was last updated Jul 2025.
Income ABS, ATO Annual (ATO) FY 2023 3 years ago headline measures · 2021 Census baseline
ATO taxable income statistics for FY 2023, indexed forward using the Wage Price Index. Census household income provides the distribution detail.
Health ABS, ATO Annual 2024 2 years ago headline measures · 2021 Census baseline
Census-measured — next update: 2026 Census 3 sections No more current small-area source exists for these, so they are labelled as Census-measured rather than implied to be current.
Housing ABS 5-yearly (Census) 2021 Census next update 2026 all 30 measures
Households ABS 5-yearly (Census) 2021 Census next update 2026 all 18 measures
Cultural diversity ABS, Geoscience Australia 5-yearly (Census) 2021 Census next update 2026 all 44 measures

"Currency" is the most recent release feeding that section. Where the Census supplies the structural baseline underneath a current headline figure, the row says so.

How the numbers are built

Population

The Census provides the small-area baseline, aggregated from mesh blocks to this boundary. It is then re-based to the ABS Estimated Resident Population (June 2025 release), and new dwellings built since Census night are counted from address data — 26 validated new addresses here. The headline figure is therefore a current estimate for May 2026, not a 2021 count (4,872 at the 2021 Census → 5,283 now). Annual growth rates are compound (CAGR), not simple averages.

Age profile

Cohort shares are not raw Census counts. Every cohort is held as a pair — the Census baseline and a current estimate — and the split is re-based using ERP and state population projections, current to May 2026. Median age is the Census median plus modelled change since. Charts that show both are labelled "2021 Census vs Current Estimate".

Property sales

Sourced from the state valuation authority's sales register — current, not Census, and refreshed weekly. Medians are calculated from settled transactions in the period shown; periods with very low transaction counts are flagged or suppressed, because a handful of sales can move a median substantially.

Rents

Derived from state rental bond lodgement data, by dwelling type and bedroom count. Bonds are lodged at the start of a new tenancy, so this reflects new lettings, not the whole rented stock.

Development & infrastructure

Building approvals come from current ABS releases; development applications are collected from council and state planning portals; the infrastructure pipeline is compiled from Infrastructure Australia and local government sources. Applications are matched to this boundary by address or coordinates, so very recent lodgements may not yet appear.

Employment & income

Industry and occupation structure comes from the Census, but the headline labour-market indicators do not. Unemployment and labour force are derived from ABS Small Area Labour Markets (quarterly). The employment outlook applies Department of Employment forecasts for all 19 industry divisions to this area's own industry mix (the agency is now Jobs and Skills Australia), as does the Internet Vacancy Index used for job demand. Because it is weighted on industry composition alone, that outlook carries no allowance for local population growth — in fast-growing areas the real rise in local jobs will typically be higher. Income combines Census household income with ATO taxable-income statistics for FY 2023, indexed forward using the Wage Price Index.

Education, transport & amenities

School enrolments, ICSEA and performance come from ACARA's current release, not the Census. Public transport stops and service frequency are derived from GTFS timetable feeds published by state transport departments. Services and amenities are proximity and count scores built from provider directories, refreshed on their own cycle. The Census contributes only the travel-to-work and qualification measures.

Rankings and benchmarks. Where we rank this area, the comparison set is every area of the same boundary type — suburbs against suburbs, SA2s against SA2s. Benchmarks compare this area against its greater capital city region and the national figure for the same measure and period.

Limits worth knowing. Small areas carry larger error margins, and the ABS introduces small random adjustments to Census counts to protect confidentiality — so totals may not sum exactly. Estimates re-based from regional data describe the area's expected trajectory, not a direct count of it. Figures are indicative for research and are not financial, planning or valuation advice.

Cross-check us. The Census baseline for this boundary is at ABS 2021 Census QuickStats (SAL50159). QuickStats reports 2021 only — the figures on this page are more current wherever the ledger shows a later date.

Common questions about this page

How do Boulder suburb boundaries differ from Statistical Areas?
This page uses Suburbs and Localities (SAL) boundaries (suburb-style geography). SAL represents commonly-known suburb names used in addresses, while Statistical Areas (SA2) are designed for census/statistical reporting. Even when sharing the same name, SAL and SA2 boundaries often cover different geographic areas with different populations.
Where does the data on this Boulder page come from?
AreaSearch compiles this page from official and industry sources — including ABS, Geoscience Australia, Valuer General, Provider directories, DEWR, JSA, State Transport Departments and ACARA — then aggregates them to the boundary shown and calculates the rankings, growth rates and benchmarks itself. Property sales come from the state valuation authority, rents from state rental bond lodgements, development applications from council and state planning portals, school data from ACARA, and public transport from state transport departments.
Is the Boulder data on this page just from the 2021 Census?
No. Most of this page is maintained well beyond the Census. Sourced entirely from current releases: development & approvals (Jun 2026), property sales & rents (Aug 2026), infrastructure projects (Jul 2025) and services & amenities (Jul 2026). Built on a Census baseline but carrying newer measures on top: population (to May 2026), age profile (to May 2026), employment (to Mar 2026), income (to FY 2023), education (to Jul 2026), transport (to Jul 2026) and health (to 2024). Population and age cohorts in particular are re-based to the latest ABS Estimated Resident Population rather than left at 2021 counts. Only housing, households and cultural diversity remain wholly Census-based, because no more current small-area dataset exists for those measures.

Nearby Areas