Castlereagh
NSWCastlereagh is a stable suburb in NSW with 1,248 residents.
- SAL code
- 10849
- SA2
- 124031707
- Population
- 1,248
- LGA
- Penrith
Castlereagh, NSW had 1,248 residents at the 2021 Census, with the broader statistical area showing a 1.2% growth over the last five years. The predominant age group is 5-14 years, and the median age sits at 38. Households are most often couples with children, and those with a mortgage repay a median of $3,033 a month. Around 82.2% of homes are owner-occupied, with the largest single tenure being owned outright at 46.7%. Most dwellings are separate houses, making up 100.0% of the suburb's housing stock. The suburb has 3 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
?1,248
Suburb · Census 2021
5-Year Growth
+1.2%
3yr: +1.8% · 10yr: +1.2%
SA2 · 5yr
Household Income
$2,370/wk
Suburb · Census 2021 median
Median Age
38
Suburb · Census 2021
Socio-Economic Index
?5/10
SA2 · middle-range
Unemployment
?3.6%
SA4 · Q4 2025
Schools
1
1 primary
Hospitals
No data for this suburb
Childcare services
?2
1 long day, 1 OSHC
Parks & green space
?3
Parks, reserves
Transport stops
?10
GTFS stops
Dwelling approvals
?270
Penrith · Feb 2026
Median Weekly Rent
Based on NSW rental bond lodgements, aggregated at postcode level. All SALs sharing this postcode show the same median.
Median House Sale Price
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)
Safety & Crime
2025 Q4Reported incidents from NSW police. Offence rates may not reflect all crime.
Population over time — Cranebrook - Castlereagh (SA2)
ABS publishes annual estimates only at SA2; Castlereagh suburb alone is ~1,248 (Census 2021).
Growth at a Glance
Population grew from 15,488 to 17,444 over 24 years, averaging 0.5% per year.
Schools
1 in suburbGovernment school catchment
Intake zonePrimary
Castlereagh PS98.7%
- Samuel Terry PS 1.0%
- Emu Hts PS 0.2%
- Mt Riverview PS 0.2%
- Braddock PS 0.0%
- Londonderry PS 0.0%
- Wadangali PS 0.0%
Secondary
Richmond HS28.0%
- Blaxland HS 0.2%
- Nepean CPAHS 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
Housing
Almost entirely detached houses (100%), owner-occupied (82%).
Dwelling mix
Tenure
Number of bedrooms
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
13 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| DM | ZoneDeferred | 65.1% | 20.91 km² |
| U | ZoneDeferred | 35.6% | 11.45 km² |
| RU4 | ZoneRural | 12.8% | 4.12 km² |
| C4 | ZoneEnvironmental | 10.6% | 3.39 km² |
| E | ZoneOther | 8.7% | 2.79 km² |
| RU1 | ZoneRural | 5.9% | 1.89 km² |
| P | ZoneOther | 3.8% | 1.21 km² |
| W | ZoneOther | 2.5% | 0.79 km² |
| SP2 | ZoneSpecial use | 2.0% | 0.65 km² |
| C2 | ZoneEnvironmental | 2.0% | 0.64 km² |
| T | ZoneOther | 1.9% | 0.60 km² |
| W1 | ZoneWaterway | 1.7% | 0.54 km² |
| R | ZoneOther | 1.5% | 0.50 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.