Helensburgh
NSWHelensburgh is a declining suburb in NSW with 6,576 residents.
- SAL code
- 11897
- SA2
- 107041147
- Population
- 6,576
- LGA
- Wollongong
Helensburgh, NSW had 6,576 residents at the 2021 Census, with the broader statistical area roughly steady 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 $2,500 a month. Around 84.9% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 53.9%. Most dwellings are separate houses, making up 83.5% of the suburb's housing stock. The suburb has 9 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
?6,576
Suburb · Census 2021
5-Year Growth
-0.2%
3yr: +0.7% · 10yr: +1.8%
SA2 · 5yr
Household Income
$2,490/wk
Suburb · Census 2021 median
Median Age
38
Suburb · Census 2021
Socio-Economic Index
?10/10
SA2 · least disadvantaged
Unemployment
?2.5%
SA4 · Q4 2025
Schools
1
1 primary
Hospitals
No data for this suburb
Childcare services
?6
3 long day, 2 OSHC
Parks & green space
?9
Parks, reserves
Transport stops
?63
GTFS stops
Dwelling approvals
?73
Wollongong · 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 — Helensburgh (SA2)
ABS publishes annual estimates only at SA2; Helensburgh suburb alone is ~6,576 (Census 2021).
Growth at a Glance
Population grew from 8,118 to 9,174 over 24 years, averaging 0.5% per year.
Schools
1 in suburbGovernment school catchment
Intake zonePrimary
Helensburgh PS99.7%
- Otford PS 0.2%
- Waterfall PS 0.1%
Secondary
Heathcote HS99.8%
- Bulli HS 0.2%
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 1.4%Almost entirely detached houses (83.5%), owner-occupied (85%), built for families (46% 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
15 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| C1 | ZoneEnvironmental | 30.4% | 5.61 km² |
| C2 | ZoneEnvironmental | 26.5% | 4.90 km² |
| SP2 | ZoneSpecial use | 13.2% | 2.44 km² |
| C3 | ZoneEnvironmental | 10.1% | 1.86 km² |
| R2 | ZoneResidential | 9.4% | 1.73 km² |
| RU2 | ZoneRural | 3.1% | 0.57 km² |
| R3 | ZoneResidential | 1.8% | 0.34 km² |
| RU1 | ZoneRural | 1.8% | 0.34 km² |
| RE1 | ZoneRecreation | 1.1% | 0.20 km² |
| E4 | ZoneEnvironmental | 0.7% | 0.12 km² |
| RE2 | ZoneRecreation | 0.5% | 0.10 km² |
| SP1 | ZoneSpecial use | 0.4% | 0.07 km² |
| SP3 | ZoneSpecial use | 0.4% | 0.07 km² |
| E3 | ZoneEnvironmental | 0.3% | 0.06 km² |
| E1 | ZoneEnvironmental | 0.3% | 0.06 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.