WA · Ashburton Council

Onslow, 6710

Est. population · Jun 2025

932

Growth (1 yr)

+1.3%

Growth (5 yr)

-6.6%

Median age

35

Median income

$2,596/wk

Employment rate

60.6%

Languages at home

15.2%non-English

Most common: Australian Indigenous languages, Italian, Filipino

2021 Census · usual residence

Desirability score

20.6/100
Below average

653rd in WA

Verified 71% confidence

How this score is calculated
  • Green suburb
  • Education hub
  • National parks
  • High desirability
What Onslow is known for: Green suburb, Education hub, National parks, High desirability

Suburb profile

Onslow is a quieter smaller community in Ashburton Council, where peace, space and a country-town pace still dominate. Residents are mostly families and working professionals, with a strong presence of young families throughout. Life here is grounded in local routine rather than big-city choice.

With limited local amenities, residents regularly travel to a neighbouring town for shops, appointments and a wider choice. Parks and open space are a real strength relative to many regional towns, easy for walks, sport and weekend downtime. Day-to-day life is more car-oriented here than in denser, more walkable pockets.

Housing sits above the suburban middle: not the top of the market, but clearly pricier than average. The streetscape feels settled and established, with older homes giving the area a familiar, lived-in look.

The overall desirability read is below average, pulled by softer schools and education compared with similar regional towns, though community and employment remain brighter spots. Limited access to some essential local services also trimmed the result.

At a glance

Onslow snapshot

A quick read of housing, growth, livability, and risk

Median house price

No data available

Median rent

$410/wk

Population (ERP)

932

+1.3% annual growth

Dwelling vacancy

41.8%

Census unoccupied dwellings

Livability profile

Desirability pillars vs the peer median (50th percentile)

How it compares

Relative standing using percentiles, ranks, and national deciles

Desirability

#54

among Country & regional · Established

Safety

27th

percentile in state (higher = safer)

Pop. growth

53rd

percentile in WA

Advantage (IRSAD)

7/10

national SEIFA decile

School ICSEA

8th

percentile among schools with ICSEA

Population growth

Recent ERP change over 1 and 5 years

Housing mix

Dwelling types from the 2021 Census

Risks & flags

Quick scan — open a section below for full context

Living here

Desirability

Ranks & confidence
Desirability score
20.6/100 — Below average
National rank
6672nd in Australia
State rank
653rd in WA
Peer rank
#54 among Country & regional · Established suburbs
Cohort rank
#288 among Country & regional suburbs
Data confidence
71%

Data sources & freshness

  • Suburb Guide desirability indexSuburb Guide (derived) · current · Updated

Housing

All types (wa-rental-bond/Monthly Bond Lodgement Summary (CSV)-(01-12-2025-31-12-2025).csv)
$410
Rental bonds lodged (wa-rental-bond/Monthly Bond Lodgement Summary (CSV)-(01-12-2025-31-12-2025).csv)
118

Median weekly rent from WA rental bond lodgements. Figures can be unreliable where few bonds were lodged in the quarter.

Contributes to desirability score · Housing (15%) · Future Growth (7%)

Median price, rental yield and vacancy Recent price momentum

Data sources & freshness

  • WA rental bond lodgementsDepartment of Communities (WA) · wa-rental-bond/Monthly Bond Lodgement Summary (CSV)-(01-12-2025-31-12-2025).csv · Updated · Monthly bond summaries

Population

Estimated resident population

932(June 2025)

+1.3% annual · -6.6% over 5 years · 53th percentile in WA

Growth figures & methodology
Annual growth
+1.3%
5-year growth
-6.6%
Change in 1 year
+12
Change in 5 years
-66
Growth rank in WA
53th percentile

ABS Estimated Resident Population allocated to this suburb from SA2-level data. Not an official ABS suburb count.

Methodology

Figures are allocated from ABS Estimated Resident Population at Statistical Area Level 2 (SA2), using 2021 Census share within overlapping SA2 regions. Where Census data is unavailable, area overlap is used instead.

The dashed chart line is a simple growth-trend estimate to June 2030 (~850), extrapolated at -1.4% average annual growth since 2011. It is illustrative only — not an official ABS forecast.

2021 Census figures

2021 Census

Population
829
Median age
35
Median household income / week
$2,596
Dwelling vacancy
41.8%
Unoccupied private dwellings
186 of 445
Median monthly mortgage
$1,825
Employment rate
60.6%
Dwelling mix (houses / semi / flats)
214 / 12 / 16 (+ 10 other)

Contributes to desirability score · Community (5%)

Employment, household income and age diversity (2021 Census)

Data sources & freshness

  • 2021 Census — General Community ProfileAustralian Bureau of Statistics · Updated

    The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.

  • Estimated Resident PopulationAustralian Bureau of Statistics · 2025 · Updated · SA2 ERP allocated to suburb boundaries

Community & culture

No 2021 Census cultural diversity data for this suburb yet.

Data sources & freshness

  • 2021 Census — General Community ProfileAustralian Bureau of Statistics · Updated

    The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.

Crime & safety

Reported offences are running lower than the same point last year.

Offence counts & rates
Total offences (Jan 2026 to Aug 2026)
5,762
Against the person
2,048
Against property
2,421
Rate per 1,000 residents
6,182.4
Person-crime prevalence
About 1 in 1 residents
State safety percentile
27th (lower crime is better)
Decrease (daily rate, partial year)
-6.5%

Most common offence types

  • Assault (Family)1124
  • Breach Of Violence Restraint Order564
  • Drug Offences729
  • Property Damage713
  • Stealing706

Contributes to desirability score · Safety (18%)

Crime rate and year-on-year trend

Data sources & freshness

  • WA Police district crime statisticsWestern Australia Police Force · Jan 2025 to Dec 2025 → Jan 2026 to Aug 2026; Jan 2026 to Aug 2026 · Updated · Quarterly timeseries XLSX; district-level aggregates

Family & Lifestyle

Schools & preschools

Schools within 2 km
1
Median school ICSEA
884
Median ICSEA percentile
8th
School list
  • Onslow SchoolCombined · Government · ICSEA 884 · 8th percentile · LBOTE 39% · 166 students · Top SEA quarter 9%View on My School →

Contributes to desirability score · Education (15%)

School and preschool counts, median school ICSEA

Data sources & freshness

Amenities

No OpenStreetMap amenities mapped for this suburb yet.

Contributes to desirability score · Lifestyle (15%)

Food, shopping, recreation and sport (OpenStreetMap)

Data sources & freshness

  • Local amenity insightsSuburb Guide (derived) · current · Updated
  • OpenStreetMap amenitiesOpenStreetMap contributors · current · Updated

Parks & reserves

4 parks and public open space in this suburb

  • ANZAC Memorial ParkPark
  • Onslow Community GardensPark
  • Wimbil ParkPark
  • Wirlarra ParkPark

Data sources & freshness

Green cover

Parks & woodland (OSM)
4
Parks (OSM)
4

OpenStreetMap parks and natural woodland features mapped within the suburb boundary.

Contributes to desirability score · Environment (10%)

Parks and green cover (OpenStreetMap)

Data sources & freshness

Health access

Hospitals & GP clinics in suburb
1
Nearest hospital
Onslow Hospital (4.4 km)
Nearest hospital type
Hospital
Nearest hospital emergency
Emergency department
Emergency department in suburb
On site
  • Onslow HospitalHospital

Contributes to desirability score · Accessibility (15%)

Hospitals and GP clinics

Data sources & freshness

NDIS participation

NDIS participants (31 March 2026)
11
Participants per 1,000 residents
11.8

Active NDIS participants allocated from NDIA Statistical Area Level 2 (SA2, ASGS 2016) counts to this suburb boundary. Not an official suburb-level NDIS figure · as at 31 March 2026.

For NDIS spend and service-demand exploration by SA2 or postcode, see the Care Sector Demand Map.

Data sources & freshness

Weather

Typical conditions by season for suburbs in the same ~44 km climate area. Rainfall totals are summed from monthly WorldClim layers; rainy-day counts are approximate.

Summer (Dec–Feb)

Usual max / min
39° / 24°
Rainfall
138 mm · ~17 rainy days

Autumn (Mar–May)

Usual max / min
34° / 21°
Rainfall
111 mm · ~14 rainy days

Winter (Jun–Aug)

Usual max / min
27° / 13°
Rainfall
80 mm · ~10 rainy days

Spring (Sep–Nov)

Usual max / min
34° / 17°
Rainfall
4 mm · ~1 rainy days

Contributes to desirability score · Lifestyle (15%)

Temperature and humidity comfort

Data sources & freshness

  • Seasonal climate normalsWorldClim 2.1 · Updated

Future & Planning

Hazards

Bushfire planning zone
No overlay at centroid

Bushfire overlay checked at suburb centroid via WA bush fire prone area mapping.

Contributes to desirability score · Safety (18%)

Bushfire hazard overlays

Data sources & freshness

  • Hazard planning overlaysState government hazard layers · current · Updated

Politics & representation

Federal electorate
Durack
Member of Parliament
Melissa PRICE (Liberal)
Results from
2025 federal election
Electorate enrolment (2025)
119,942
Turnout (2025)
78.3%
Swing since 2022 (2025)
-5.5 pp toward Coalition

Two-party preferred (2025)

Coalition 60.1%Labor 39.9%

Estimated suburb voting profile

Estimated from 8 nearby ordinary polling places (up to 233.7 km away).

Coalition 53.1%Labor 46.9%

7.1 percentage points more Labor-leaning than the electorate

Estimated swing since 2022: -5.6 pp toward Coalition

Nearest polling places

  • OnslowLabor 47.0% · Coalition 53.0% TPP (2025)5.3 km away
  • ExmouthLabor 48.5% · Coalition 51.5% TPP (2025)110.1 km away
  • PannawonicaLabor 36.4% · Coalition 63.6% TPP (2025)122.1 km away
  • NickolLabor 48.3% · Coalition 51.7% TPP (2025)199.7 km away
  • Millars WellLabor 46.4% · Coalition 53.6% TPP (2025)201.2 km away

Federal electorate from AEC federal division boundaries (2025 redistribution). Division-level results are official AEC figures from the latest general election, with by-election updates where applicable. The estimated suburb profile blends up to eight nearest ordinary polling booths in the same electorate using inverse-distance weighting from the suburb centroid — an approximation, not official AEC data. Nearest polling places are shown for reference.

Data sources & freshness

Socio-economic

IRSAD decile (2021)
7/10
IRSD decile (2021)
6/10

ABS Socio-Economic Indexes for Areas (SEIFA), 2021 release — the latest available, derived from the 2021 Census. Deciles rank suburbs nationally from 1 (lowest) to 10 (highest).

What do IRSAD and IRSD measure?

IRSAD — Index of Relative Socio-economic Advantage and Disadvantage. Combines indicators of advantage (e.g. high income, skilled occupations) and disadvantage. Higher decile = more advantaged relative to other Australian areas.

IRSD — Index of Relative Socio-economic Disadvantage. Focuses on disadvantage only (e.g. low income, unemployment, limited education). Higher decile = less disadvantage nationally.

A new SEIFA edition typically follows each census; the ABS has not announced a release date beyond 2021.

Contributes to desirability score · Community (5%)

Socio-economic advantage (IRSAD decile)

Data sources & freshness

More in Ashburton Council

Other suburbs in the same local government area.

Comparable suburbs

Similar population and socio-economic profile in other parts of Western Australia.