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This analysis uses ABS Statistical Areas Level 2 (SA2) boundaries, which can materially differ from Suburbs and Localities (SAL) even when sharing similar names.
SA2 boundaries are defined by the Australian Bureau of Statistics and are designed to represent communities for statistical reporting (e.g., census and ERP).
Suburbs and Localities (SAL) represent commonly-used suburb/locality names (postal-style areas) and may use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.
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ABS ERP | -- people | --
2021 Census | -- people
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Petermann - Simpson has an estimated 2,337 residents, up from 1,961 at the 2021 Census — a change of 376 people, or 19.2%. Overseas migration accounts for 79.7% of that increase. Population is estimated from ABS Estimated Resident Population releases and GNAF address data, re-based from the 2021 Census and updated annually.
Detail
According to demographic evaluations by AreaSearch, the resident count in Petermann - Simpson reaches roughly 2,337 as of Aug 2026. This represents an expansion of 376 people (19.2%) relative to the 2021 Census, when 1,961 people were enumerated. This trajectory is calculated using the ABS estimated resident population figure of 2,337 recorded as of June 2025, alongside 5 validated new addresses added following the Census. Such headcounts yield an average spatial density of 0.00 persons per square kilometer, highlighting an expansive living environment. Expanding by 19.2% since the 2021 census, the locality outpaced both state figures and the national average (9.5%), establishing itself as an area of notable regional expansion.
Net overseas arrivals served as the primary growth catalyst, generating roughly 79.7% of total net population additions across recent reporting intervals. Projections developed by the ABS and Geoscience Australia released in 2024 (benchmarked to 2022) form the baseline for AreaSearch's SA2 modeling. Across locations lacking direct coverage, as well as for all forward modeling beyond 2032, cohort-based age growth trajectories from the 2023 ABS Greater Capital Region release (using 2022 data) are applied. Anticipated demographic adjustments indicate the locality will exceed median expansion rates for regional parts of the country, with numbers forecast to climb by 304 persons to 2041 under latest annual ERP figures, translating to an overall rise of 13.0% across the 16 years.
Frequently Asked Questions - Population
Detail
Building approvals in Petermann - Simpson remain exceptionally subdued, maintaining an average of 3 approvals per year (amounting to 19 dwellings over the five-year period). This constrained construction volume aligns with typical remote settings where local dwelling requirements remain modest and physical development is bounded by infrastructure constraints and demand. Given the minimal baseline of approvals, annual percentage shifts and relative metrics can fluctuate significantly from one development to the next. Residential building output across Petermann - Simpson sits markedly lower than in Rest of NT, while also tracking substantially beneath broader countrywide benchmarks.
Recent construction has centered exclusively on separate single-family houses, preserving the rural, low-density character of the locality. Furthermore, home builders are delivering detached homes at a greater rate than existing residential ratios reflect (39.0% at Census), demonstrating enduring preference for standalone family accommodation despite broader urban densification patterns. Forward demographic modeling suggests Petermann - Simpson will add 304 residents through to 2041 relative to the latest AreaSearch quarterly estimate. If ongoing building completion speeds persist, local housing availability may face difficulty keeping pace with population additions, which could intensify competition among buyers and provide upward pressure on property values.
Frequently Asked Questions - Development
Development applications around Petermann - Simpson
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| Lodged | Address | Description | Type | Distance | Status |
|---|
SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.
AreaSearch tracks one current infrastructure or development project inside Petermann - Simpson, worth an estimated $346 million. A further 61 sit in the immediately surrounding suburbs, taking the tracked pipeline within reach of the area to $42.3 billion. 18 are already under construction and 22 are due for completion within three years. The pipeline spans transport & logistics, energy and residential development. 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
Strategic infrastructure upgrades, civic planning programs, and regional works play a vital role in shaping the area's development. AreaSearch has catalogued 14 specific initiatives possessing the capacity to influence local conditions. Prominent undertakings encompass the Ernabella Arts Centre Extension and Refurbishment, the APY Lands Groundwater Quantity and Quality Investigation, the Better and Safer Future for Central Australia initiative, and the Coastal Hazards Adaptation Strategy, with detailed overviews of the most critical projects provided below.
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Frequently Asked Questions - Infrastructure
Better and Safer Future for Central Australia
A 250 million AUD Australian and NT Government plan (now 345.9 million AUD) to improve community safety and infrastructure. Key 2026 milestones include the opening of the Todd Street Health Hub in Alice Springs, the Mutitjulu health clinic, and modernised facilities in Santa Teresa. The program integrates 77 new dwellings, Remote Training Hubs, and On-Country learning initiatives. As of May 2026, multiple health and community infrastructure projects have transitioned from construction to operational status, while family safety and youth service expansions continue across the region.
Ernabella Arts Centre Extension and Refurbishment
Extension and refurbishment of Australia's oldest continuously running Indigenous art centre, established in 1948. The project will enhance facilities for the culturally significant art centre that supports over 500 Anangu artists and preserves traditional cultural practices while providing contemporary art spaces.
Umuwa Multi-Agency Facility
Purpose-built multi-agency facility accommodating SA Police and child protection agencies. Features forensic interview capabilities, family breakout areas, communal agency areas and improved technology connectivity. Designed to improve community safety and child protection outcomes through enhanced inter-agency collaboration.
APY Lands Groundwater Quantity and Quality Investigation
Research and investigation project to assess groundwater quantity and quality across the remote Anangu Pitjantjatjara Yankunytjatjara (APY) Lands in north-western South Australia. Activities include drilling, sampling and testing, hydrogeological assessment of aquifers, water quality risk analysis, and community engagement to set water use priorities. The project partners with APY Lands community stakeholders to co-develop First Nations and western science knowledge, supporting sustainable groundwater use for drinking water, agriculture and economic development. Funded by the Australian Government through the National Water Grid Fund, with delivery led by the SA Department for Environment and Water.
Umuwa Central Power House Renewable Energy Upgrade
Upgrade of the Umuwa Central Power House on the APY Lands under South Australia's Remote Area Energy Supply (RAES) scheme. Works delivered a ground-mount solar PV system of approximately 2.42 MWp and a Battery Energy Storage System of about 1.56 MVA / 1.1 MWh integrated with the existing diesel plant via modern controls. The system is intended to supply around 4.4 GWh per year (about 40% of total demand) and reduce diesel use by roughly 1 million litres annually, improving reliability and cutting emissions across the RAES 33 kV network.
Fregon Anangu School Upgrade
Fregon Anangu School is undergoing a facility upgrade. Construction of a new Primary School building and Secondary School buildings including covered outdoor areas with general learning areas, withdrawal spaces, breakout spaces and amenities. The upgrade includes new construction providing administration spaces, primary and secondary learning areas, food technology and canteen; refurbishment of the library resource and general teaching to provide a new art space; refurbishment of the gymnasium amenities; a vehicle storage shed; a new covered outdoor learning area (COLA) and external works; and demolition of ageing infrastructure.
National Coastal Hazards Adaptation Strategy
National strategic initiative to improve Australia's resilience to coastal hazards driven by sea level rise, storm surge, coastal erosion and inundation. The program promotes coordinated action across all levels of government, including nature-based solutions, protective infrastructure, planning reforms, managed retreat where appropriate and improved coastal risk management. Since the original Infrastructure Australia proposal, the initiative has been incorporated into broader national climate adaptation planning led by the Australian Government.
Indulkana Bus Shelters
Construction of two new bus shelters on Stuart Highway near Indulkana to provide shade and shelter for people travelling by bus between Adelaide, Alice Springs and the APY Lands. Improves comfort and safety for community members using public transport services.
1,701 residents of Petermann - Simpson are employed, from a labour force of 1,772. Unemployment sits at 4.0%, with participation at 87.7%. Weighted for its industry mix, the area's sectors are forecast to grow about 5.6% nationally over five years. That reflects industry composition only and makes no allowance for local population growth, so in an area growing as fast as this one it understates the likely rise in local jobs. The working-day population is estimated at 2,099, about 90% 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 local labour market in Petermann - Simpson features a capable workforce with strong representation across hospitality and visitor services, recording a jobless rate of 4.0% and annual job growth estimated at 2.7%. Data as of March 2026 identifies 1,701 employed residents, alongside an unemployment rate tracking 1.9% under the 5.9% benchmark of Regional NT, whilst labour participation reaches an elevated 87.7% compared to 69.8% across Regional NT. Census returns indicated that a modest 4.2% of workers performed duties from home, though broader pandemic measures during that period provide context.
Workforce employment is concentrated primarily in accommodation & food, arts & recreation, alongside public administration & safety. Accommodation & food demonstrates extraordinary concentration locally, employing personnel at 6.7 times the regional average. Conversely, health care & social assistance accounts for a comparatively small share, engaging 5.9% of local workers in Petermann - Simpson against 18.8% observed throughout Regional NT. Although regional job opportunities exist within the boundaries, comparisons between local resident counts and Census workplace locations suggest a substantial share of workers travel outside the area for employment. Evaluations of ABS and SALM series by AreaSearch show that over the 12-month period, a 2.7% rise in total employment matched a 2.7% expansion in the labour pool, keeping local unemployment levels steady. Across Regional NT over the identical timeframe, workforce headcount expanded by 2.8%, the total labour supply increased by 2.7%, and joblessness decreased slightly. Looking ahead, Jobs and Skills Australia projections released Mar-26 provide baseline guidance regarding future workforce needs in Petermann - Simpson across five-year and ten-year horizons when aligned with local sector profiles. While overall Australian employment is projected to expand by 6.6% over five years and 13.7% over ten years, industry trajectories vary widely. Weighting these sectoral expectations against Petermann - Simpson's resident employment distribution indicates potential local job gains of 5.6% over five years and 11.8% over ten years (representing an illustrative sectoral weighting model without factoring localized population forecasts).
Frequently Asked Questions - Employment
Median household income in Petermann - Simpson is $1,248 a week (about $65,000 a year), with median personal income at $807 a week. ATO records put median taxable income at $69,661 a year against an average of $85,796. 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 AreaSearch's evaluation of ATO postcode records for financial year 2023, taxpayers across the Petermann - Simpson SA2 recorded a median earnings level of $69,661 and an average of $85,796. These figures stand at very elevated tiers countrywide and surpass the Regional NT median of $53,572 and average of $63,776. Adjusting for a 9.41% increase in the Wage Price Index since financial year 2023 places modeled figures around $76,216 for the median and $93,869 for the average as of March 2026. Looking back at the 2021 Census, household earnings ranked in the 17th percentile, whereas individual income sat at the 50th percentile.
In terms of earnings distributions, the single largest bracket contains 38.1% of individuals earning between $800 - 1,499 weekly (890 residents), diverging from capital city benchmarks where 33.6% receive $1,500 - 2,999. Although accommodation overheads remain light with 90.8% of gross earnings retained, overall household purchasing power sits in the 24th percentile nationwide.
Frequently Asked Questions - Income
Petermann - Simpson had 643 occupied dwellings at the 2021 Census, 39% detached houses and 17% apartments. 1% are owned with a mortgage, 92% rented and 7% owned outright. At that Census the median rent was $123 a week and the median mortgage repayment $758 a month. Rent absorbs 9.9% of household income here and mortgage repayments 14.0%. Dwelling stock, tenure and housing costs are 2021 Census measures — the only source that counts dwellings at this boundary size.
Detail
Residential stock in Petermann - Simpson at the latest Census comprised 38.7% houses alongside 61.2% other dwellings (including semi-detached units, apartments, and alternative structures), contrasting with Regional NT where 75.6% were houses and 24.5% were other dwellings. Full home ownership in Petermann - Simpson lagged regional levels at 6.9%, with remaining properties held under a mortgage (0.7%) or occupied as rentals (92.3%). Typical monthly mortgage commitments stood well beneath regional benchmarks at $758, and median weekly rental tariffs were $123, compared with $1,733 and $150 across Regional NT. When set against nationwide medians, mortgage costs in Petermann - Simpson sit substantially lower than the Australian figure of $1,863, with rents also well below the $375 national benchmark.
Frequently Asked Questions - Housing
Petermann - Simpson counted 643 households at the 2021 Census, an estimated 766 today, averaging 2.2 people each. 18% are couples with children, fewer than in 92% of areas nationally, against 22% couples without children. 50% of households are people living alone, and families average 1.2 children. Household and family composition is measured only by the Census, so these are 2021 figures.
Detail
Family units constitute 48.1% of all local domestic arrangements, consisting of 17.6% couples with children, 22.0% couples without children, and 5.9% single parent families. Non-family living structures make up the balance of 51.9%, driven by single-occupant homes at 49.8% alongside group households at 2.5%. Across all residences, the median occupancy rate is 2.2 people per home, remaining below the Regional NT benchmark of 3.1.
Frequently Asked Questions - Households
19.5% of adults in Petermann - Simpson hold a university qualification, including 14.4% with a bachelor degree and 3.9% with postgraduate qualifications, lower than 86% of areas nationally. A further 30.2% hold a vocational qualification. 11 schools serve the area, with 192 enrolment places and an average ICSEA of 737 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 attainment levels present specific challenges across the district, as the share of adults holding tertiary degrees (19.5%) tracks well beneath the Australian figure of 30.4%, highlighting a clear focus area for skills development. Among degree holders, bachelor qualifications represent 14.4%, followed by postgraduate degrees (3.9%) and graduate diplomas (1.2%). Technical and trade training is widespread, with vocational credentials held by 41.0% of the population aged 15+, comprising advanced diplomas (10.8%) and certificate-level courses (30.2%). Community participation in study is extensive, with 28.6% of residents actively undertaking structured learning. This cohort includes 12.1% attending primary schools, 4.7% enrolled in secondary education, and 4.1% engaged in higher education studies.
Frequently Asked Questions - Education
Schools Detail
Frequently Asked Questions - Transport
Transport Stops Detail
77.8% of residents in Petermann - Simpson report no long-term health condition. 3.8% need daily assistance with core activities, and 62.0% hold private health cover. The standardised death rate runs at 10.4 per 1,000 residents. Health conditions, assistance needs and insurance are 2021 Census measures; the death rate comes from current ABS releases.
Detail
An examination of mortality figures and long-term illnesses by AreaSearch highlights notable healthcare considerations for Petermann - Simpson, with regular ailments impacting both younger and older residents, alongside an unusually high private health insurance rate covering roughly 62% of the population (1,448 people). By comparison, coverage stands at 51.6% across Regional NT and 55.7% nationwide. Asthma and diabetes represent the most prevalent diagnosed conditions within the population, recorded among 5.6% and 7.2% of residents respectively, while 77.8% reported no ongoing medical conditions compared to 78.4% across Regional NT. Health metrics among residents under 65 track ahead of standard benchmarks.
The cohort aged 65 and over comprises 4.7% of the community (110 people), sitting below the 8.5% share in Regional NT, with older residents demonstrating particularly resilient health outcomes that rank higher than national averages.
Frequently Asked Questions - Health
Petermann - Simpson is largely Australian-born, at 84.2% of residents, with 54.4% speaking a language other than English at home. The largest reported ancestries are Australian Aboriginal (43.3%) and Australian (15.0%). 43.3% 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
Petermann - Simpson exhibits a diverse cultural profile compared to most areas, with 15.8% of residents born abroad and 54.4% using a non-English language at home. Christianity stands as the primary religious affiliation, encompassing 49.4% of the population. Notably, the Other category shows pronounced representation locally at 7.0%, compared with 5.2% across Regional NT. Looking at ancestral backgrounds based on parental birthplace, the three largest groups in Petermann - Simpson are Australian Aboriginal (43.3%), Australian (15.0%), and English (13.6%). Additional cultural groups exhibit distinct proportional representation relative to wider trends, including Spanish residents at 1.0% (versus 0.2% regionally), Filipino residents at 1.7% (versus 1.4%), and Korean residents at 0.4% (versus 0.1%).
Frequently Asked Questions - Diversity
The median resident of Petermann - Simpson is 30, younger than 95% of areas nationally. That is 1 year younger than at the 2021 Census. 46.8% 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
The demographic structure of Petermann - Simpson is heavily weighted toward young, childless adults. AreaSearch estimates for August 2026 show that 42.8% of the populace belongs to the young to middle aged adult band (25 - 44), compared to 35.0% across Regional NT, while individuals aged 65+ account for 4.7% against a regional benchmark of 8.5%. The estimated median age sits at 30 as at August 2026, falling from 31 at the 2021 Census, which compares to 31 across Regional NT and a nationwide figure of 38 at that same Census.
The most noticeable cohort contraction since the Census occurred among residents aged 45 - 64, decreasing from 21.7% to 20.3%. Looking ahead to 2041, the largest numerical expansion is projected within the 25 - 44 age group, increasing by 193 residents (19%) to 1,192, while the highest rate of growth will occur in the 65+ cohort, climbing 42% to reach 157.
Frequently Asked Questions - Age
Data & MethodBoundaries, Sources & Method for Petermann - Simpson
9 of 14 data sections on this page were updated within the last 12 months — the newest current to Oct 2026.
Everything is aggregated to the SA2 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 9 sections | ||
| Population | ABS, GNAF, Geoscience Australia Annual (ABS ERP) | Aug 2026 2 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 Aug 2026, with the 2021 Census supplying the small-area baseline. | ||
| Age profile | ABS, Geoscience Australia, State governments Annual | Aug 2026 2 months ago headline measures · 2021 Census baseline |
| Age cohorts are re-based to the latest ABS population estimates and state projections, current to Aug 2026. Each cohort is held as a Census baseline and a current estimate. | ||
| Development & approvals | ABS, GNAF Monthly (ABS approvals) | Aug 2026 2 months ago headline measures · Jul 2026 baseline |
| Property sales & rents | Valuer General, Rental Board, ABS Weekly sales, quarterly rents | Oct 2026 this month headline measures · Sep 2026 baseline |
| 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 Oct 2026. | ||
| Infrastructure projects | Infrastructure Australia, State agencies, Local governments Daily | May 2026 5 months 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 May 2026. | ||
| Employment | ABS, DEWR, JSA Quarterly (ABS SALM) | Mar 2026 7 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) | Sep 2026 last month headline measures · 2021 Census baseline |
| Transport | ABS, State Transport Departments Each timetable release | Jul 2026 3 months ago headline measures · 2021 Census baseline |
| Services & amenities | Provider directories, ACECQA Continuous | Sep 2026 last month all 14 measures |
| Annual and financial-year sources 2 sections | ||
| 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 — 5 validated new addresses here. The headline figure is therefore a current estimate for Aug 2026, not a 2021 count (1,961 at the 2021 Census → 2,337 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 Aug 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 (702011050). QuickStats reports 2021 only — the figures on this page are more current wherever the ledger shows a later date.