Chester Hill - Sefton

NSW

Chester Hill - Sefton is a growing region in NSW with 21,806 residents.

SA2 code: 125031479
State: NSW

Population

21,806

Estimated 2025

5-Year Growth

+4.7%

3yr: +3.7% · 10yr: +16.6%

5-year growth

Median Rent

$400/wk

Census 2021

Median Income

$1,415/wk

Household, Census 2021

Population over time — Chester Hill - Sefton (SA2)

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

Growth at a Glance

3yr: +3.7%5yr: +4.7%10yr: +16.6%Total: +38.1%

Population grew from 15,789 to 21,806 over 24 years, averaging 1.4% 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 10.4%

Predominantly detached houses (72.6%), mixed tenure (57.4% own or mortgage), built for families (41% are 3 bed).

Dwelling mix

Houses 72.6%

4,181 houses802 townhouses772 apartments

Tenure

Owned 27.6%

Mortgage 29.8%

Renting 38.3%

Owned 27.6%Mortgage 29.8%Renting 38.3%Other / NS 4.3%

Number of bedrooms

1 bed

325 (5.8%)

2 bed

1,083 (19.3%)

3 bed

2,322 (41.4%)

4 bed

1,368 (24.4%)

5 bed

408 (7.3%)

6+ bed

104 (1.9%)