Allambie Heights vs Frenchs Forest
A data-only, side-by-side comparison of Allambie Heights and Frenchs Forest, two suburbs in New South Wales — population, demographics, socio-economic profile and climate, drawn from public sources.
Key differences
- Frenchs Forest is the larger of the two, with about 14,267 residents to Allambie Heights's 7,317.
- Frenchs Forest sits a little higher on the ABS SEIFA index of socio-economic advantage (1144 to 1127, where about 1000 is the national average).
- Median weekly household income is higher in Frenchs Forest ($3,109 to $2,890).
- Residents are typically older in Allambie Heights (median age 43 to 40).
Allambie Heights vs Frenchs Forest side by side
| Measure | Allambie Heights | Frenchs Forest |
|---|---|---|
| Population (2021) | 7,317 | 14,267 |
| Median age | 43 | 40 |
| Median weekly household income | $2,890 | $3,109 |
| SEIFA score | 1127 | 1144 |
| Local government area | Northern Beaches | Northern Beaches |
| State / territory | New South Wales | New South Wales |
| Avg summer high (Jan) | 25.7°C | 25.7°C |
| Avg winter high (Jul) | 16.5°C | 16.5°C |
| Annual rainfall | 1,084 mm | 1,084 mm |
Climate figures are long-run monthly normals (Open-Meteo, ERA5 reanalysis).
Common questions
Is Allambie Heights or Frenchs Forest bigger?
Frenchs Forest is larger, with about 14,267 residents at the 2021 Census compared with 7,317 in Allambie Heights.
Is Allambie Heights or Frenchs Forest warmer?
Allambie Heights is generally warmer in summer, with an average January daytime high of 25.7°C compared with 25.7°C.