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Balgowlah - Clontarf - Seaforth
NSWBalgowlah - Clontarf - Seaforth is a declining suburb in NSW with 20,936 residents.
- SA2 code
- 122011418
- State
- NSW
Population
20,936
Estimated 2025
5-Year Growth
-0.8%
3yr: +1.6% · 10yr: -0.1%
5-year growth
Median Rent
$697/wk
Census 2021
Median Income
$3,409/wk
Household, Census 2021
Population over time — Balgowlah - Clontarf - Seaforth (SA2)
ABS publishes annual estimates only at SA2 level, not at suburb level.
Growth at a Glance
3yr: +1.6%5yr: -0.8%10yr: -0.1%Total: +13.5%
Population grew from 18,445 to 20,936 over 24 years, averaging 0.5% per year.
Profile
Census snapshot
Housing
Public housing 0.9%Predominantly detached houses (66.9%), owner-occupied (79%).
Dwelling mix
Houses 67%
Apartments 19%
4,601 houses968 townhouses1,304 apartments
Tenure
Owned 40%
Mortgage 39%
Renting 21%
Number of bedrooms
1 bed
266 (3.8%)
2 bed
1,306 (18.7%)
3 bed
2,237 (32.0%)
4 bed
2,128 (30.4%)
5 bed
919 (13.1%)
6+ bed
138 (2.0%)