Chester Hill - Sefton

NSW

Chester Hill - Sefton is a growing suburb 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)

ABS publishes annual estimates only at SA2 level, not at suburb level.

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.

Profile

Census snapshot

ABS · 2021

Housing

Public housing 10.4%

Predominantly detached houses (74.2%), mixed tenure (60% own or mortgage), built for families (41% are 3 bed).

Dwelling mix

Houses 74%

4,181 houses802 townhouses651 apartments

Tenure

Owned 29%

Mortgage 31%

Renting 40%

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%)

Chester Hill - Sefton

Population over time — Chester Hill - Sefton (SA2)

Growth at a Glance

Census snapshot

Housing

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Where this data comes from