Cardiff South
NSWCardiff South is a growing suburb in NSW with 2,931 residents.
- SAL code
- 10810
- SA2
- 111011209
- Population
- 2,931
- LGA
- Lake Macquarie
Cardiff South, NSW had 2,931 residents at the 2021 Census, with the broader statistical area showing a 3.8% growth over the last five years. The predominant age group is 45-54 years, and the median age sits at 38. Households are most often couples with children, and those with a mortgage repay a median of $1,777 a month. Around 77.5% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 44.0%. Most dwellings are separate houses, making up 89.7% of the suburb's housing stock. The suburb has 1 park or reserve mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.
Population
?2,931
Suburb · Census 2021
5-Year Growth
+3.8%
3yr: +2.3% · 10yr: +6.7%
SA2 · 5yr
Household Income
$1,688/wk
Suburb · Census 2021 median
Median Age
38
Suburb · Census 2021
Socio-Economic Index
?6/10
SA2 · middle-range
Unemployment
?3.9%
SA4 · Q4 2025
Schools
1
1 primary
Hospitals
No data for this suburb
Childcare services
?3
2 long day, 1 OSHC
Parks & green space
?1
Parks, reserves
Transport stops
?38
GTFS stops
Dwelling approvals
?104
Lake Macquarie · 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 — Glendale - Cardiff - Hillsborough (SA2)
ABS publishes annual estimates only at SA2; Cardiff South suburb alone is ~2,931 (Census 2021).
Growth at a Glance
Population grew from 22,959 to 25,569 over 24 years, averaging 0.4% per year.
Schools
1 in suburbGovernment school catchment
Intake zonePrimary
Cardiff SPS75.3%
- Cardiff PS 12.7%
- Biddabah PS 9.7%
- Hillsborough PS 2.3%
Secondary
Cardiff HS90.3%
- Warners Bay HS 9.7%
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
Public housing 0.6%Almost entirely detached houses (89.7%), owner-occupied (78%), built for families (51% are 3 bed).
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
6 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| R2 | ZoneResidential | 50.1% | 0.79 km² |
| C2 | ZoneEnvironmental | 20.1% | 0.32 km² |
| R3 | ZoneResidential | 16.1% | 0.26 km² |
| RE1 | ZoneRecreation | 7.6% | 0.12 km² |
| C4 | ZoneEnvironmental | 4.5% | 0.07 km² |
| SP2 | ZoneSpecial use | 1.6% | 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.