St Peters (SA), SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
St Peters (SA) is more socio-economically advantaged than about 97% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1120, 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.
St Peters (SA) at a glance
- Population (2021)
- 3,231
- Median age
- 43
- Median weekly household income
- $2,266
- SEIFA score
- 1120
- Coordinates
- -34.9048, 138.6236
St Peters (SA) demographics (2021 Census)
The figures below profile St Peters (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 mid-life (45–64) at 29%, 27% of homes are rented, and 28% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 514 | 16% |
| Youth (15–24) | 413 | 13% |
| Young adults (25–44) | 723 | 22% |
| Mid-life (45–64) | 945 | 29% |
| Seniors (65+) | 623 | 19% |
Share of the 3,218 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 531 | 43% |
| Owned with a mortgage | 341 | 28% |
| Rented | 328 | 27% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 880 | 72% |
| Townhouses & semis | 130 | 11% |
| Flats & apartments | 208 | 17% |
Tenure and dwelling shares are of the roughly 1,224 occupied private dwellings in St Peters (SA).
- Median weekly rent
- $310
- Median monthly mortgage
- $2,700
- Average household size
- 2.5 people
- Median weekly family income
- $3,254
- Median weekly personal income
- $1,097
Community and culture
- Born overseas
- 897 (28%)
- Speaks a language other than English at home
- 695 (22%)
- Aboriginal and/or Torres Strait Islander
- 11 (0%)
Work and education
- Completed Year 12
- 2,042 (79%)
- Labour-force participation
- 67.3%
- Unemployment rate
- 4.4%
- Employed full-time
- 968
- Employed part-time
- 692
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 St Peters (SA)
Based on 2014–2023 records, the warmest month in St Peters (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 St Peters (SA)
Where is St Peters (SA)?
St Peters (SA) is a suburb of South Australia, Australia.
What is the population of St Peters (SA)?
At the 2021 Census, St Peters (SA) had a population of about 3,231.
Is St Peters (SA) an advantaged area?
St Peters (SA) has an ABS SEIFA score of 1120, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 97 out of 100 — more socio-economically advantaged than about 97% of Australian suburbs.
What is the weather like in St Peters (SA)?
St Peters (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).
Where St Peters (SA) ranks
St Peters (SA) appears in these data-driven guides — each a transparent sort on a single ABS figure shown on this page.
Nearby suburbs in South Australia
More suburb guides in South Australia
Other hand-written, cited guides — browse all guides.