Nilgen
WANilgen is a growing suburb in WA with 248 residents.
- SAL code
- 51114
- SA2
- 509021239
- Population
- 248
- LGA
- Gingin
Nilgen, WA had 248 residents at the 2021 Census, with the broader statistical area showing a 18.5% growth over the last five years. The predominant age group is 45-54 years, and the median age sits at 52. Households are most often couples with children, and those with a mortgage repay a median of $1,361 a month. Around 91.9% of homes are owner-occupied, with the largest single tenure being owned outright at 49.5%. Most dwellings are separate houses, making up 100.0% of the suburb's housing stock. 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
?248
Suburb · Census 2021
5-Year Growth
+18.5%
3yr: +12.7% · 10yr: +23.4%
SA2 · 5yr
Household Income
$1,312/wk
Suburb · Census 2021 median
Median Age
52
Suburb · Census 2021
Socio-Economic Index
?4/10
SA2 · middle-range
Unemployment
?1.9%
SA4 · Q4 2025
Hospitals
No data for this suburb
Childcare services
No data for this suburb
Parks & green space
?2
Parks, reserves
Transport stops
No data for this suburb
Dwelling approvals
?14
Gingin · Feb 2026
Median Weekly Rent
state rental-bond data not yet loaded for WA
Median House Sale Price
state Valuer-General sale price data not yet loaded for WA
Safety & Crime
2025 Q4Reported incidents from WA police. Offence rates may not reflect all crime.
Population over time — Gingin - Dandaragan (SA2)
ABS publishes annual estimates only at SA2; Nilgen suburb alone is ~248 (Census 2021).
Growth at a Glance
Population grew from 7,226 to 10,674 over 24 years, averaging 1.6% per year.
Government school catchment
Catchment data is not yet available for WA.
Source when available: WA Department of Education — Public School Local-Intake Areas.
Profile
Census snapshot
Housing
Almost entirely detached houses (100%), owner-occupied (92%), built for families (50% are 3 bed).
Dwelling mix
Tenure
Number of bedrooms
Bushfire & flood risk
Hazard data is not yet available for WA.
Source when available: WA DFES Bush Fire Prone Areas and DWER Floodplain Mapping.
Planning zones
Planning-zone data is not yet available for WA.
Source when available: Landgate / WA Department of Planning, Lands and Heritage.