Castle Hill - South

NSW

Castle Hill - South is a growing region in NSW with 10,965 residents.

SA2 code: 115011556
State: NSW

Population

10,965

Estimated 2025

5-Year Growth

+4.6%

3yr: +5.1% · 10yr: +12.0%

5-year growth

Median Rent

$550/wk

Census 2021

Median Income

$2,482/wk

Household, Census 2021

Population over time — Castle Hill - South (SA2)

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

Growth at a Glance

3yr: +5.1%5yr: +4.6%10yr: +12.0%Total: +35.7%

Population grew from 8,081 to 10,965 over 24 years, averaging 1.3% 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

Predominantly detached houses (70.9%), mixed tenure (68.5% own or mortgage).

Dwelling mix

Houses 70.9%

Apartments 21.8%

2,449 houses249 townhouses754 apartments

Tenure

Owned 33.1%

Mortgage 35.4%

Renting 29.6%

Owned 33.1%Mortgage 35.4%Renting 29.6%Other / NS 1.9%

Number of bedrooms

1 bed

119 (3.5%)

2 bed

628 (18.4%)

3 bed

944 (27.7%)

4 bed

1,130 (33.1%)

5 bed

483 (14.2%)

6+ bed

107 (3.1%)