Unanderra - Mount Kembla

NSW

Unanderra - Mount Kembla is a declining region in NSW with 15,414 residents.

SA2 code: 107011134
State: NSW

Population

15,414

Estimated 2025

5-Year Growth

-0.4%

3yr: +1.1% · 10yr: -3.6%

5-year growth

Median Rent

$355/wk

Census 2021

Median Income

$1,920/wk

Household, Census 2021

Population over time — Unanderra - Mount Kembla (SA2)

Source: ABS ERP (latest release · 2025) · Census 2021. Numbers refreshed quarterly.

Growth at a Glance

3yr: +1.1%5yr: -0.4%10yr: -3.6%Total: -4.2%

Population grew from 16,092 to 15,414 over 24 years, averaging -0.2% per year.

Demand & supply signals

Derived signals haven't been computed for this region yet.

Roadmap signals

Two more derived metrics are defined in the platform and waiting on upstream-data orchestration. Each will populate here once its source series is wired through.

Affordability trend

Coming soon

RPPI year-on-year divided by WPI year-on-year. Above 1.0 means home prices are outpacing wages; below 1.0 means wages are catching up.

Awaiting: ABS RPPI (6432.0) + WPI (6345.0) GCCSA-grain orchestration.

Rent–price momentum spread

Coming soon

CPI rents year-on-year minus RPPI year-on-year. Positive means rents are gaining on prices; negative means prices are running ahead of rents.

Awaiting: ABS CPI rents component + RPPI orchestration.

Profile

Census snapshot

ABS · 2021

Housing

Public housing 9.3%

Almost entirely detached houses (89.7%), owner-occupied (73.5%), built for families (43% are 3 bed).

Dwelling mix

Houses 89.7%

4,791 houses281 townhouses271 apartments

Tenure

Owned 36.6%

Mortgage 36.9%

Renting 23.5%

Owned 36.6%Mortgage 36.9%Renting 23.5%Other / NS 3.0%

Number of bedrooms

1 bed

132 (2.5%)

2 bed

597 (11.3%)

3 bed

2,289 (43.2%)

4 bed

1,735 (32.8%)

5 bed

455 (8.6%)

6+ bed

88 (1.7%)