Ardeer vs Cairnlea
A data-only, side-by-side comparison of Ardeer and Cairnlea, two suburbs in Victoria — population, demographics, socio-economic profile and climate, drawn from public sources.
Key differences
- Cairnlea is the larger of the two, with about 10,038 residents to Ardeer's 3,170.
- Cairnlea sits a little higher on the ABS SEIFA index of socio-economic advantage (968 to 921, where about 1000 is the national average).
- Median weekly household income is higher in Cairnlea ($2,062 to $1,452).
- Residents are typically older in Ardeer (median age 37 to 36).
Ardeer vs Cairnlea side by side
| Measure | Ardeer | Cairnlea |
|---|---|---|
| Population (2021) | 3,170 | 10,038 |
| Median age | 37 | 36 |
| Median weekly household income | $1,452 | $2,062 |
| SEIFA score | 921 | 968 |
| Local government area | Brimbank | Brimbank |
| State / territory | Victoria | Victoria |
| Avg summer high (Jan) | 26.6°C | 26.6°C |
| Avg winter high (Jul) | 12.9°C | 12.9°C |
| Annual rainfall | 658 mm | 658 mm |
Climate figures are long-run monthly normals (Open-Meteo, ERA5 reanalysis).
Common questions
Is Ardeer or Cairnlea bigger?
Cairnlea is larger, with about 10,038 residents at the 2021 Census compared with 3,170 in Ardeer.
Is Ardeer or Cairnlea warmer?
Ardeer is generally warmer in summer, with an average January daytime high of 26.6°C compared with 26.6°C.