St Clair (Penrith - NSW)

NSW

St Clair (Penrith - NSW) is a stable suburb in NSW with 19,942 residents.

SAL code: 13647
SA2: 124051470
Population: 19,942
LGA: Penrith

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St Clair (Penrith - NSW) suburb boundary

St Clair (Penrith - NSW), NSW had 19,942 residents at the 2021 Census, with the broader statistical area showing a 1.3% growth over the last five years. The predominant age group is 25-34 years, and the median age sits at 36. Households are most often couples with children, and those with a mortgage repay a median of $2,167 a month. Around 78.3% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 47.1%. Most dwellings are separate houses, making up 99.0% of the suburb's housing stock. The suburb has 44 parks and reserves mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.

Population

19,942

Suburb · Census 2021

5-Year Growth

+1.3%

3yr: +2.5% · 10yr: +0.0%

SA2 · 5yr

Household Income

$2,067/wk

Suburb · Census 2021 median

Median Age

Suburb · Census 2021

Socio-Economic Index

5/10

SA2 · middle-range

Unemployment

3.2%

SA4 · Q4 2025

Hospitals

Not available

No data for this suburb

Childcare services

8 long day, 7 OSHC

Parks & green space

Parks, reserves

Transport stops

GTFS stops

Dwelling approvals

270

Penrith · Feb 2026

Median Weekly Rent

$680/wk+4.6% YoY2026 Q1

Postcode-level

Based on NSW rental bond lodgements, aggregated at postcode level. All SALs sharing this postcode show the same median.

Median House Sale Price

$1,310,000+18.0% YoY2026 Q1

House only

Source: state Valuer-General (suburb-level quarterly medians).

→ Calculate stamp duty on this suburb's median price → Estimate mortgage repayments → Calculate rental yield (price + median rent)

Population over time — St Clair (SA2)

ABS publishes annual estimates only at SA2; St Clair (Penrith - NSW) suburb alone is ~19,942 (Census 2021).

Growth at a Glance

3yr: +2.5%5yr: +1.3%10yr: +0.0%Total: -4.5%

Population grew from 21,498 to 20,529 over 24 years, averaging -0.2% per year.

Government school catchment

Intake zone

Primary

Banks PS26.6%

Blackwell PS 26.3%
Clairgate PS 25.2%
St Clair PS 21.2%
Bennett Rd PS 0.5%
James Erskine PS 0.2%
St Marys SPS 0.1%
Orchard Hls PS 0.0%

Secondary

St Clair HS73.6%

Erskine Park HS 25.8%
Colyton HS 0.6%
Kingswood HS 0.0%

Source: NSW Department of Education — School Intake Zones. Boundaries can be amended without notice; confirm with the school before relying on enrolment.

Profile

Census snapshot

ABS · 2021

Housing

Public housing 0.7%

Almost entirely detached houses (99%), owner-occupied (78%), built for families (51% are 3 bed).

Dwelling mix

Houses 99%

6,223 houses60 townhouses

Tenure

Owned 31%

Mortgage 47%

Renting 22%

Number of bedrooms

1 bed

45 (0.7%)

2 bed

188 (3.0%)

3 bed

3,157 (50.6%)

4 bed

2,144 (34.4%)

5 bed

560 (9.0%)

6+ bed

142 (2.3%)

Bushfire & flood risk

Hazard data is not yet available for NSW.

Source when available: NSW Rural Fire Service (BFPL) and NSW DPHI EPI Flood.

Planning zones

5 zones in suburb

Code	Zone	% covered	Area
R2	ZoneResidential	80.3%	5.79 km²
RE1	ZoneRecreation	13.1%	0.94 km²
SP2	ZoneSpecial use	5.7%	0.41 km²
E1	ZoneEnvironmental	0.7%	0.05 km²
E3	ZoneEnvironmental	0.2%	0.02 km²

Source: NSW DPHI EPI Land Zoning (ZONE_NSW/2026-04-29/1eccf1a530fa1be5) · As of Apr 2026. Zone boundaries are amended periodically; verify the exact property with the relevant council before relying on permitted use.