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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.
est. as @ -- *
2021 Census | -- people
Sales Activity
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Population
Crystal Brook is positioned among the lower quartile of areas assessed nationally for population growth based on AreaSearch's assessment of recent, and medium term trends
As of May 2026, the estimated population of the suburb of Crystal Brook (SA) is around 1,599. This figure represents an increase of 62 people since the 2021 Census, which reported a population of 1,537. The latest resident population estimate by AreaSearch, based on examination of ERP data released by the ABS in June 2025 and additional validated new addresses, is 1,596. This results in a density ratio of 8.3 persons per square kilometer. Crystal Brook's growth rate of 4.0% since the 2021 Census exceeded the SA3 area's growth rate of 2.4%, making it a growth leader in the region. Interstate migration was the primary driver of population gains during recent periods.
AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data and years post-2032, the SA State Government's Regional/LGA projections by age category are adopted, released in 2023 based on 2021 data. Projected demographic shifts indicate lower quartile growth for national non-metropolitan areas. Based on aggregated SA2-level projections, the suburb of Crystal Brook (SA) is expected to increase by 34 persons to reach a total population of around 1,633 by 2041, reflecting an overall increase of approximately 1.9% over the 16-year period.
Frequently Asked Questions - Population
Development
AreaSearch assessment of residential development drivers sees a low level of activity in Crystal Brook, placing the area among the bottom 25% of areas assessed nationally
Crystal Brook has averaged approximately five new dwelling approvals per year over the past five financial years ending 30 June 2021. This totals an estimated twenty-five homes. As of 6 July 2021, six approvals have been recorded in FY-26. The average construction value of these dwellings is $265,000.
Additionally, there have been $1.6 million in commercial approvals this financial year. Compared to the rest of South Australia, Crystal Brook records 63.0% more development activity per person as of July 2021. The estimated population count per dwelling approval is 443 people, reflecting a quiet and low activity development environment. Looking ahead, AreaSearch's latest quarterly estimate projects Crystal Brook to grow by thirty-one residents through to 2041.
Looking ahead, Crystal Brook is expected to grow by 31 residents through to 2041 (from the latest AreaSearch quarterly estimate). At current development rates, new housing supply should comfortably meet demand, providing good conditions for buyers and potentially supporting growth beyond current population projections.
Frequently Asked Questions - Development
Development applications around Crystal Brook (SA)
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| Lodged | Address | Description | Type | Distance | Status |
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SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.
Infrastructure
Crystal Brook has limited levels of nearby infrastructure activity, ranking in the 19thth percentile nationally
No changes can significantly affect a region's performance like alterations to local infrastructure, major projects, and planning initiatives. A total of zero projects have been identified by AreaSearch as potentially impacting this area. Notable projects include Green Iron SA Port Pirie Hub, Northern Water, Mid North South Australia REZ Expansion, and SA Housing Trust Maintenance Contracts Review and Service Program, with the following list providing details on those most relevant.
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INFRASTRUCTURE SEARCH
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Frequently Asked Questions - Infrastructure
Enabling Infrastructure for Hydrogen Production
A national program to coordinate and deploy the enabling infrastructure required to support large-scale renewable hydrogen production across Australia. Building on the 2024 National Hydrogen Strategy and the National Hydrogen Infrastructure Assessment (NHIA), the program aligns electricity transmission, water supply, transport corridors, port and storage infrastructure with Renewable Energy Zones and prospective hydrogen hubs (Bell Bay, Darwin, Eyre Peninsula, Gladstone, Latrobe Valley, Hunter Valley, Pilbara). Two key federal mechanisms underpin delivery. The Hydrogen Headstart program provides up to 4 billion AUD in long-term revenue support via production credits, with Round 2 (2 billion AUD administered by ARENA) opening for Expressions of Interest in October 2025 with EOIs closing 8 December 2025. The Hydrogen Production Tax Incentive (HPTI), legislated through the Future Made in Australia (Production Tax Credits and Other Measures) Act 2025 which received Royal Assent on 14 February 2025, provides an uncapped refundable tax offset of 2 AUD per kilogram of eligible renewable hydrogen for up to 10 years between 1 July 2027 and 30 June 2040 for projects reaching final investment decision by 2030. The HPTI is jointly administered by the ATO and Clean Energy Regulator and requires certification under the Guarantee of Origin scheme. Round 1 of Hydrogen Headstart shortlisted six projects representing more than 3.5 GW of electrolyser capacity, with 814 million AUD ultimately awarded.
Green Iron SA Port Pirie Hub
Green Iron SA is a consortium-led initiative to develop a green iron supply chain in South Australia. A March 2026 update confirmed the completion of high-level engineering for a premium iron ore export pathway via Port Pirie Berth 7. The project involves upgrading existing rail and port infrastructure to export high-purity magnetite concentrate from the Razorback Iron Ore Project. The design features enclosed handling systems and sealed conveyors to minimize community impacts like dust and noise. This export phase serves as a precursor to future green hydrogen-based pellet and Hot Briquetted Iron (HBI) production.
Enabling Digital Health Services for Regional and Remote Australia
A national digital infrastructure program under the Digital Health Blueprint 2023-2033 designed to provide equitable healthcare access for regional and remote Australians. The initiative is currently rolling out the 'Share by Default' legislative framework, which mandates the uploading of pathology and diagnostic imaging reports to My Health Record starting July 2026. Current 2026 milestones include the launch of the Digital Health Implementer Hub to accelerate software conformance and the implementation of the National Allied Health Digital Uplift Plan to integrate allied health practitioners into the national digital ecosystem.
SA Water Capital Work Delivery Contracts 2024-28
SA Water's record $3.3 billion capital delivery program for the 2024-28 regulatory period, covering water and wastewater infrastructure across South Australia. The program targets water main replacements, sewerage network upgrades, dam upgrades, water tank refurbishments, and treatment process upgrades across metropolitan and regional areas. A central $1.5 billion component supports the South Australian Premier's Housing Roadmap, expanding network capacity to unlock up to 40,000 new allotments, with major focus on Adelaide's northern growth corridors including Angle Vale, Riverlea, and Roseworthy. Six major framework partners (Fulton Hogan Utilities, John Holland and Guidera O'Connor JV, McConnell Dowell and Diona JV, BMD, Diona, and Leed Engineering and Construction) are delivering works across approximately 120 projects. In Year 1 (to June 2025), $681.6 million in capital was invested. The program runs to June 2028.
Northern Water
Northern Water is a large-scale desalination and pipeline project designed to provide a climate-independent water source for South Australia's Upper Spencer Gulf and Far North. The project features a seawater reverse osmosis plant at Mullaquana Station with an initial capacity of 130 ML/day (scalable to 260 ML/day) and a 400km pipeline network connecting Whyalla, Port Augusta, and Olympic Dam. It aims to support the green hydrogen industry and critical mineral mining while reducing reliance on the Great Artesian Basin and River Murray.
SA Housing Trust Maintenance Contracts Review and Service Program
Statewide maintenance and service contracts for SA Housing Trust public housing properties, covering reactive maintenance, vacancy restoration and minor works across metropolitan and regional South Australia. The program is delivered by Spotless Facility Services, RTC Facilities Maintenance and Torrens Facility Management. A 2024 SA Government review examined payment, timeliness, dispute resolution and contract performance issues, and the government provided additional funding to accelerate maintenance and upgrades on vacant public housing homes.
Bulk Water Supply Security
Nationwide program led by the National Water Grid Authority to improve bulk water security and reliability for non-potable and productive uses. Activities include strategic planning, science and business cases, and funding of state and territory projects such as storages, pipelines, dam upgrades, recycled water and efficiency upgrades to build drought resilience and support regional communities, industry and the environment.
National EV Charging Network (Highway Fast Charging)
Partnership between the Australian Government and NRMA to deliver a backbone EV fast charging network on national highways. Program funds and co-funds 117 DC fast charging sites at roughly 150 km intervals to connect all capital cities and regional routes, reducing range anxiety and supporting EV uptake.
Employment
Employment drivers in Crystal Brook are experiencing difficulties, placing it among the bottom 20% of areas assessed across Australia
Crystal Brook's workforce is balanced across white and blue-collar jobs, with prominent essential services sectors. Its unemployment rate was 5.6% in December 2025, slightly below Regional SA's 5.7%. Employment grew by 1.9% over the previous year.
As of December 2025653 residents were employed, with a participation rate of 51.9%, lower than Regional SA's 58.3%. Only 8.7% worked from home, potentially impacted by Covid-19 lockdowns. Key employment sectors include health care & social assistance (1.6 times the regional average), education & training, and agriculture, forestry & fishing (9.7%, below the regional 14.5%). Between December 2024 and December 2025, employment increased by 1.9% while labour force grew by 3.6%, raising unemployment by 1.4 percentage points.
In contrast, Regional SA saw employment rise by 0.7%, labour force grow by 3.1%, and unemployment increase by 2.2 percentage points. National employment forecasts from May-25 project a 6.6% growth over five years and 13.7% over ten years. Applying these projections to Crystal Brook's employment mix suggests local employment should increase by 6.4% over five years and 13.7% over ten years, assuming constant population projections for illustrative purposes.
Frequently Asked Questions - Employment
Income
The area's income levels rank in the lower 15% nationally based on AreaSearch comparative data
The suburb of Crystal Brook's median income among taxpayers was $47,687 in financial year 2023, according to latest ATO data aggregated by AreaSearch. This figure is below the national average for regional South Australia (SA), which stood at $48,920 during the same period. The suburb's average income of $57,910 was also lower than Regional SA's average of $58,933 in financial year 2023. Based on a Wage Price Index growth rate of 10.17% since then, current estimates for Crystal Brook's median and average incomes would be approximately $52,537 and $63,799 respectively as of March 2026. Census data indicates that household, family, and personal incomes in Crystal Brook all fall within the 3rd to 7th percentiles nationally. The earnings profile shows that the highest percentage of residents (32.3%, or 516 people) earn between $400 and $799 per week, which differs from broader area trends where the $1,500 to $2,999 category is predominant at 27.5%. With 40.2% of residents earning under $800 per week, Crystal Brook faces significant income constraints that impact local spending patterns. Despite modest housing costs allowing for 88.8% of income retention, the suburb's total disposable income ranks at just the 7th percentile nationally.
Frequently Asked Questions - Income
Housing
Crystal Brook is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership
Crystal Brook's dwelling structures, as recorded in the latest Census, consisted of 92.1% houses and 7.9% other dwellings such as semi-detached homes, apartments, and 'other' dwellings. This compares to Regional SA's 88.5% houses and 11.5% other dwellings. Home ownership in Crystal Brook stood at 46.0%, with the remaining dwellings either mortgaged (31.5%) or rented (22.5%). The median monthly mortgage repayment was $975, lower than Regional SA's average of $1,153. The median weekly rent figure was $189, compared to Regional SA's $220. Nationally, Crystal Brook's mortgage repayments were significantly lower at $975 compared to the Australian average of $1,863, and rents were substantially below the national figure of $375.
Frequently Asked Questions - Housing
Household Composition
Crystal Brook features high concentrations of lone person households, with a fairly typical median household size
Family households constitute 65.1% of all households, including 23.5% couples with children, 31.7% couples without children, and 9.1% single parent families. Non-family households account for the remaining 34.9%, with lone person households at 33.1% and group households comprising 1.3%. The median household size is 2.3 people, which aligns with the Regional SA average.
Frequently Asked Questions - Households
Local Schools & Education
Educational outcomes in Crystal Brook fall within the lower quartile nationally, indicating opportunities for improvement in qualification attainment
The area has university qualification rates of 15.2%, significantly lower than the Australian average of 30.4%. Bachelor degrees are the most common at 11.7%, followed by graduate diplomas at 1.9% and postgraduate qualifications at 1.6%. Trade and technical skills are prevalent, with 38.5% of residents aged 15 and above holding vocational credentials - advanced diplomas at 10.1% and certificates at 28.4%. Educational participation is high, with 26.1% of residents currently enrolled in formal education.
This includes 12.6% in primary education, 7.6% in secondary education, and 1.6% pursuing tertiary education.
Frequently Asked Questions - Education
Schools Detail
Nearby Services & Amenities
Transport
No public transport data available for this catchment area.
Frequently Asked Questions - Transport
Transport Stops Detail
Health
Health performance in Crystal Brook is well below average with prevalence of common health conditions notable across both younger and older age cohorts
Crystal Brook faces significant health challenges, as indicated by AreaSearch's analysis of mortality rates and chronic condition prevalence. Both younger and older age groups exhibit high prevalence of common health conditions.
Private health cover is relatively low, at approximately 50% of the total population (around 798 people), compared to the national average of 55.7%. The most prevalent medical conditions are arthritis (11.4%) and mental health issues (10.3%). A lower proportion of residents declare themselves completely clear of medical ailments, at 57.4%, compared to Regional SA's 62.5%. Working-age residents face notable health challenges with elevated chronic condition rates. The area has a higher percentage of seniors aged 65 and over (31.1% or 497 people), compared to Regional SA's 27.1%. While health outcomes among seniors are generally in line with the national rankings, some challenges exist.
Frequently Asked Questions - Health
Cultural Diversity
The latest Census data sees Crystal Brook placing among the least culturally diverse areas in the country when compared across a range of language and cultural background related metrics
Crystal Brook showed low cultural diversity, with 92.3% born in Australia, 93.4% being citizens, and 97.7% speaking English only at home. Christianity was the dominant religion, at 49.3%, compared to Regional SA's 45.2%. Top ancestral groups were Australian (34.7%), English (33.3%), and Scottish (8.5%).
Notably, Dutch (2.7%) and German (7.0%) were overrepresented compared to regional averages of 1.3% and 8.2%, respectively. Welsh representation was also higher at 0.7%.
Frequently Asked Questions - Diversity
Age
Crystal Brook hosts an older demographic, ranking in the top quartile nationwide
Crystal Brook's median age is 49, which is higher than Regional SA's figure of 47 and substantially exceeds the national norm of 38. Compared to Regional SA, Crystal Brook has a higher concentration of residents aged 75-84 (11.7%), but fewer residents aged 45-54 (9.2%). This 75-84 concentration is well above the national figure of 6.1%. Between the 2021 Census and present, the population aged 15 to 24 has grown from 6.8% to 9.3%, while those aged 75 to 84 increased from 10.0% to 11.7%. Conversely, the 0 to 4 age group has declined from 5.8% to 4.1%, and the 5 to 14 age group dropped from 14.1% to 12.5%. By 2041, demographic projections indicate significant shifts in Crystal Brook's age structure. The 85+ age group is projected to grow by 107%, reaching 126 people from the current 60. Those aged 65 and above will comprise 74% of this projected growth. Meanwhile, both the 35 to 44 and 15 to 24 age groups are expected to decrease in number.