Castletown
WACastletown is a stable suburb in WA with 3,968 residents.
- SAL code
- 50273
- SA2
- 511011274
- Population
- 3,968
- LGA
- Esperance
Castletown, WA had 3,968 residents at the 2021 Census, with the broader statistical area showing a 1.4% growth 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 $1,717 a month. Around 68.5% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 36.0%. Most dwellings are separate houses, making up 93.6% of the suburb's housing stock. The suburb has 10 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
?3,968
Suburb · Census 2021
5-Year Growth
+1.4%
3yr: +0.2% · 10yr: +0.5%
SA2 · 5yr
Household Income
$1,612/wk
Suburb · Census 2021 median
Median Age
38
Suburb · Census 2021
Socio-Economic Index
?4/10
SA2 · middle-range
Unemployment
?2.8%
SA4 · Q4 2025
Hospitals
No data for this suburb
Childcare services
?1
1 long day, 1 OSHC
Parks & green space
?10
Parks, reserves
Transport stops
?28
GTFS stops
Dwelling approvals
?2
Esperance · 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 — Esperance (SA2)
ABS publishes annual estimates only at SA2; Castletown suburb alone is ~3,968 (Census 2021).
Growth at a Glance
Population grew from 11,029 to 12,580 over 24 years, averaging 0.5% 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 3.9%Almost entirely detached houses (93.6%), mixed tenure (69% own or mortgage), built for families (47% 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.