Seaton (SA), SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Seaton is a residential suburb in Adelaide's west, close to Findon, Grange and West Lakes, and home to the Royal Adelaide Golf Club. The main roads of Tapleys Hill Road and Grange Road run through the area. Before the Second World War the district was largely rural — a patchwork of market gardens, poultry farms and lucerne paddocks bounded to the west by coastal sand dunes. The rapid wartime and post-war expansion of industry nearby, including the munitions works at Hendon and the General Motors-Holden assembly plant at Woodville, prompted the South Australian Housing Trust to build extensive housing for workers across Seaton and its neighbours, and the suburb took on its present settled character. Its first post office opened in 1965, and today Seaton is served by its own primary and high schools.
Less advantaged than the national average
Seaton (SA) is more socio-economically advantaged than about 24% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 938, where about 1000 is the national average).
A socio-economic measure from ABS Census data — not a measure of how good a suburb is to live in or visit. How we calculate this.
Seaton (SA) at a glance
- Population (2021)
- 10,877
- Median age
- 40
- Median weekly household income
- $1,300
- SEIFA score
- 938
- Coordinates
- -34.8929, 138.5136
Seaton (SA) demographics (2021 Census)
The figures below profile Seaton (SA) using the Australian Bureau of Statistics 2021 Census; every percentage is a share of a clearly stated Census count, so each one traces back to the source. At a glance, the largest age group is young adults (25–44) at 29%, 35% of homes are rented, and 31% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 1,650 | 15% |
| Youth (15–24) | 1,168 | 11% |
| Young adults (25–44) | 3,141 | 29% |
| Mid-life (45–64) | 2,662 | 24% |
| Seniors (65+) | 2,259 | 21% |
Share of the 10,880 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 1,361 | 30% |
| Owned with a mortgage | 1,369 | 30% |
| Rented | 1,610 | 35% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 3,012 | 67% |
| Townhouses & semis | 1,115 | 25% |
| Flats & apartments | 393 | 9% |
Tenure and dwelling shares are of the roughly 4,529 occupied private dwellings in Seaton (SA).
- Median weekly rent
- $310
- Median monthly mortgage
- $1,700
- Average household size
- 2.3 people
- Median weekly family income
- $1,778
- Median weekly personal income
- $696
Community and culture
- Born overseas
- 3,159 (31%)
- Speaks a language other than English at home
- 3,246 (31%)
- Aboriginal and/or Torres Strait Islander
- 236 (2%)
Work and education
- Completed Year 12
- 4,713 (53%)
- Labour-force participation
- 58.1%
- Unemployment rate
- 5%
- Employed full-time
- 2,974
- Employed part-time
- 1,826
Source: ABS Census of Population and Housing, 2021 (General Community Profile, by Suburb and Locality). © Australian Bureau of Statistics, released under CC BY 4.0. How we group bands and derive each share is set out on our methodology page.
Weather and climate in Seaton (SA)
Based on 2014–2023 records, the warmest month in Seaton (SA) is January (average daytime high around 27.9°C) and the coolest is July (around 14°C). The area receives roughly 711 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27.9°C | 17.5°C | 29 mm |
| Feb | 26.5°C | 17°C | 29 mm |
| Mar | 24.7°C | 16°C | 20 mm |
| Apr | 21.4°C | 14°C | 51 mm |
| May | 17.3°C | 11.7°C | 86 mm |
| Jun | 14.8°C | 9.6°C | 100 mm |
| Jul | 14°C | 8.9°C | 104 mm |
| Aug | 14.7°C | 8.8°C | 95 mm |
| Sep | 17.2°C | 10.2°C | 62 mm |
| Oct | 20.5°C | 11.9°C | 52 mm |
| Nov | 22.7°C | 13.6°C | 52 mm |
| Dec | 25.6°C | 15.6°C | 31 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Seaton (SA)
Where is Seaton (SA)?
Seaton (SA) is a suburb of South Australia, Australia.
What is the population of Seaton (SA)?
At the 2021 Census, Seaton (SA) had a population of about 10,877.
Is Seaton (SA) an advantaged area?
Seaton (SA) has an ABS SEIFA score of 938, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 24 out of 100 — more socio-economically advantaged than about 24% of Australian suburbs.
What is the weather like in Seaton (SA)?
Seaton (SA) has average daytime highs of about 20.6°C and overnight lows of about 12.9°C, with roughly 711 mm of rain across the year (based on 2014–2023 climate normals).
How big is Seaton (SA)?
Seaton (SA) is one of the most populous suburbs in South Australia — the 16th-largest by usual resident population at the 2021 Census (about 10,877 usual residents).
Where Seaton (SA) ranks
Seaton (SA) appears in these data-driven guides — each a transparent sort on a single ABS figure shown on this page.
- Largest suburbs in South Australia#16 of 25
Nearby suburbs in South Australia
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Other hand-written, cited guides — browse all guides.