Altona (Vic.) vs Seabrook
A data-only, side-by-side comparison of Altona (Vic.) and Seabrook, two suburbs in Victoria — population, demographics, socio-economic profile and climate, drawn from public sources.
Key differences
- Altona (Vic.) is the larger of the two, with about 11,490 residents to Seabrook's 4,952.
- Altona (Vic.) sits a little higher on the ABS SEIFA index of socio-economic advantage (1046 to 1006, where about 1000 is the national average).
- Median weekly household income is higher in Seabrook ($2,042 to $1,826).
- Residents are typically older in Altona (Vic.) (median age 42 to 37).
- Altona (Vic.) is warmer in summer (average January high 26.6°C to 24.9°C).
- Altona (Vic.) is wetter across the year (about 658 mm of rain to 629 mm).
Altona (Vic.) vs Seabrook side by side
| Measure | Altona (Vic.) | Seabrook |
|---|---|---|
| Population (2021) | 11,490 | 4,952 |
| Median age | 42 | 37 |
| Median weekly household income | $1,826 | $2,042 |
| SEIFA score | 1046 | 1006 |
| Local government area | Hobsons Bay | Hobsons Bay |
| State / territory | Victoria | Victoria |
| Avg summer high (Jan) | 26.6°C | 24.9°C |
| Avg winter high (Jul) | 12.9°C | 13.3°C |
| Annual rainfall | 658 mm | 629 mm |
Climate figures are long-run monthly normals (Open-Meteo, ERA5 reanalysis).
Common questions
Is Altona (Vic.) or Seabrook bigger?
Altona (Vic.) is larger, with about 11,490 residents at the 2021 Census compared with 4,952 in Seabrook.
Is Altona (Vic.) or Seabrook warmer?
Altona (Vic.) is generally warmer in summer, with an average January daytime high of 26.6°C compared with 24.9°C.