Seacliff Park, SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
More advantaged than the national average
Seacliff Park is more socio-economically advantaged than about 76% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1035, 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.
Seacliff Park at a glance
- Population (2021)
- 2,644
- Median age
- 41
- Median weekly household income
- $1,693
- SEIFA score
- 1035
- Coordinates
- -35.0427, 138.5295
Seacliff Park demographics (2021 Census)
The figures below profile Seacliff Park 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 26%, 21% of homes are rented, and 27% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 456 | 17% |
| Youth (15–24) | 288 | 11% |
| Young adults (25–44) | 687 | 26% |
| Mid-life (45–64) | 668 | 25% |
| Seniors (65+) | 542 | 21% |
Share of the 2,641 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 384 | 37% |
| Owned with a mortgage | 422 | 41% |
| Rented | 215 | 21% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 873 | 84% |
| Townhouses & semis | 135 | 13% |
| Flats & apartments | 32 | 3% |
Tenure and dwelling shares are of the roughly 1,040 occupied private dwellings in Seacliff Park.
- Median weekly rent
- $370
- Median monthly mortgage
- $1,800
- Average household size
- 2.4 people
- Median weekly family income
- $2,193
- Median weekly personal income
- $856
Community and culture
- Born overseas
- 680 (27%)
- Speaks a language other than English at home
- 305 (12%)
- Aboriginal and/or Torres Strait Islander
- 33 (1%)
Work and education
- Completed Year 12
- 1,305 (63%)
- Labour-force participation
- 65.8%
- Unemployment rate
- 4.6%
- Employed full-time
- 789
- Employed part-time
- 502
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 Seacliff Park
Based on 2014–2023 records, the warmest month in Seacliff Park 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 Seacliff Park
Where is Seacliff Park?
Seacliff Park is a suburb of South Australia, Australia.
What is the population of Seacliff Park?
At the 2021 Census, Seacliff Park had a population of about 2,644.
Is Seacliff Park an advantaged area?
Seacliff Park has an ABS SEIFA score of 1035, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 76 out of 100 — more socio-economically advantaged than about 76% of Australian suburbs.
What is the weather like in Seacliff Park?
Seacliff Park 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).
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