Port Denison
WAPort Denison is a growing suburb in WA with 1,452 residents.
- SAL code
- 51258
- SA2
- 511041289
- Population
- 1,452
- LGA
- Irwin
Port Denison, WA had 1,452 residents at the 2021 Census, with the broader statistical area showing a 4.5% growth over the last five years. The predominant age group is 65-74 years, and the median age sits at 56. Households are most often couples with children, and those with a mortgage repay a median of $1,517 a month. Around 68.8% of homes are owner-occupied, with the largest single tenure being owned outright at 48.3%. Most dwellings are separate houses, making up 81.8% of the suburb's housing stock. The suburb has 7 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
?1,452
Suburb · Census 2021
5-Year Growth
+4.5%
3yr: +2.8% · 10yr: +6.5%
SA2 · 5yr
Household Income
$1,027/wk
Suburb · Census 2021 median
Median Age
56
Suburb · Census 2021
Socio-Economic Index
?3/10
SA2 · more disadvantaged
Unemployment
?2.6%
SA4 · Q4 2025
Hospitals
No data for this suburb
Childcare services
?1
1 long day
Parks & green space
?7
Parks, reserves
Transport stops
?2
GTFS stops
Dwelling approvals
?3
Irwin · Feb 2026
Median Weekly Rent
Based on rental bond lodgements recorded by the state government.
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 — Irwin (SA2)
ABS publishes annual estimates only at SA2; Port Denison suburb alone is ~1,452 (Census 2021).
Growth at a Glance
Population grew from 3,071 to 3,899 over 24 years, averaging 1.0% 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
Public housing 4.2%Almost entirely detached houses (81.8%), mixed tenure (69% own or mortgage), built for families (42% 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.