Old Noarlunga, SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's less advantaged suburbs
Old Noarlunga is more socio-economically advantaged than about 18% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 923, 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.
Old Noarlunga at a glance
- Population (2021)
- 1,531
- Median age
- 41
- Median weekly household income
- $1,485
- SEIFA score
- 923
- Coordinates
- -35.1809, 138.5024
Old Noarlunga demographics (2021 Census)
The figures below profile Old Noarlunga 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 27%, 18% of homes are rented, and 20% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 271 | 18% |
| Youth (15–24) | 184 | 12% |
| Young adults (25–44) | 387 | 25% |
| Mid-life (45–64) | 411 | 27% |
| Seniors (65+) | 274 | 18% |
Share of the 1,527 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 180 | 32% |
| Owned with a mortgage | 274 | 48% |
| Rented | 103 | 18% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 542 | 94% |
| Townhouses & semis | 3 | 1% |
| Flats & apartments | 27 | 5% |
Tenure and dwelling shares are of the roughly 575 occupied private dwellings in Old Noarlunga.
- Median weekly rent
- $305
- Median monthly mortgage
- $1,395
- Average household size
- 2.5 people
- Median weekly family income
- $1,845
- Median weekly personal income
- $704
Community and culture
- Born overseas
- 290 (20%)
- Speaks a language other than English at home
- 47 (3%)
- Aboriginal and/or Torres Strait Islander
- 15 (1%)
Work and education
- Completed Year 12
- 509 (42%)
- Labour-force participation
- 62%
- Unemployment rate
- 5.9%
- Employed full-time
- 412
- Employed part-time
- 270
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 Old Noarlunga
Based on 2014–2023 records, the warmest month in Old Noarlunga is January (average daytime high around 26.7°C) and the coolest is July (around 13.2°C). The area receives roughly 801 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 26.7°C | 16.2°C | 32 mm |
| Feb | 25.4°C | 15.8°C | 24 mm |
| Mar | 23.7°C | 14.9°C | 20 mm |
| Apr | 20.5°C | 13.2°C | 47 mm |
| May | 16.5°C | 11.1°C | 96 mm |
| Jun | 14°C | 9.1°C | 114 mm |
| Jul | 13.2°C | 8.4°C | 138 mm |
| Aug | 13.9°C | 8.1°C | 124 mm |
| Sep | 16.2°C | 9.2°C | 73 mm |
| Oct | 19.5°C | 10.8°C | 53 mm |
| Nov | 21.6°C | 12.4°C | 46 mm |
| Dec | 24.5°C | 14.2°C | 34 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Old Noarlunga
Where is Old Noarlunga?
Old Noarlunga is a suburb of South Australia, Australia.
What is the population of Old Noarlunga?
At the 2021 Census, Old Noarlunga had a population of about 1,531.
Is Old Noarlunga an advantaged area?
Old Noarlunga has an ABS SEIFA score of 923, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 18 out of 100 — more socio-economically advantaged than about 18% of Australian suburbs.
What is the weather like in Old Noarlunga?
Old Noarlunga has average daytime highs of about 19.6°C and overnight lows of about 11.9°C, with roughly 801 mm of rain across the year (based on 2014–2023 climate normals).
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