Maddens Plains
NSWMaddens Plains is a stable suburb in NSW with 8 residents.
- SAL code
- 12448
- SA2
- 107021135
- Population
- 8
- LGA
- Wollongong
Maddens Plains, NSW had 8 residents at the 2021 Census, with the broader statistical area roughly steady over the last five years. The predominant age group is 25-34 years, and the median age sits at 40. The median household income is $2,749 per week, and households with a mortgage repay around $0 a month. The suburb has 2 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
?8
Suburb · Census 2021
5-Year Growth
+0.0%
3yr: +0.0% · 10yr: -28.6%
SA2 · 5yr
Household Income
$2,749/wk
Suburb · Census 2021 median
Median Age
40
Suburb · Census 2021
Hospitals
No data for this suburb
Childcare services
No data for this suburb
Parks & green space
?2
Parks, reserves
Transport stops
?1
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 — Illawarra Catchment Reserve (SA2)
ABS publishes annual estimates only at SA2; Maddens Plains suburb alone is ~8 (Census 2021).
Growth at a Glance
Population grew from 13 to 5 over 24 years, averaging -3.9% per year.
Government school catchment
Intake zonePrimary
Helensburgh PS88.9%
- Thirroul PS 9.5%
- Bulli PS 1.1%
- Stanwell Park PS 0.4%
- Scarborough PS 0.2%
- Austinmer PS 0.0%
Secondary
Heathcote HS88.9%
- Bulli HS 11.1%
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
People
Median age 40 (established), largest age group 25-34 (50%), tight labour market (0.0% unemployment).
Median age
40
Avg household size
2.5
Age distribution
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 |
|---|---|---|---|
| C2 | ZoneEnvironmental | 67.0% | 10.47 km² |
| C1 | ZoneEnvironmental | 17.5% | 2.73 km² |
| SP2 | ZoneSpecial use | 10.0% | 1.57 km² |
| RE2 | ZoneRecreation | 4.1% | 0.64 km² |
| C3 | ZoneEnvironmental | 1.2% | 0.19 km² |
| SP3 | ZoneSpecial use | 0.3% | 0.04 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.