Balgowlah - Clontarf - Seaforth: suburb profile
Official data · SA2 suburb · New South Wales · updated 2026-09-10 · ABS Census 2021 (GCP, SA2) · ASGS 2021 boundaries
Median rent
$697/wk
ABS Census 2021 · weekly
Median mortgage repayment
$4,000/mo
ABS Census 2021 · monthly
Median household income
$3,409/wk
ABS Census 2021 · weekly
Owner-occupied
77%
incl. with mortgage
Population
20,732
2,724/km²
Median age
42.0
years
Rents in Balgowlah - Clontarf - Seaforth ($697/wk) are 59% above the New South Wales average ($439/wk) and 80% above the Australian average ($387/wk).
All figures come from the ABS Census 2021 (GCP, SA2) · ASGS 2021 boundaries and are shown unadjusted: median weekly rent, median monthly mortgage repayment, median weekly household income, tenure and population at SA2 level (the ABS unit closest to a suburb). TerraSignal is a property search with real neighbourhood data — no estimates.
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© 2026 Ovelha Negra · terrasignal.ca · 2026-09-10