Merriwa (WA)
WAMerriwa (WA) is a growing suburb in WA with 5,587 residents.
- SAL code
- 50939
- SA2
- 505031099
- Population
- 5,587
- LGA
- Wanneroo
Merriwa (WA), WA had 5,587 residents at the 2021 Census, with the broader statistical area showing a 5.7% growth over the last five years. The predominant age group is 5-14 years, and the median age sits at 40. Households are most often couples with children, and those with a mortgage repay a median of $1,500 a month. Around 70.5% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 51.3%. Most dwellings are separate houses, making up 76.1% of the suburb's housing stock. The suburb has 6 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
?5,587
Suburb · Census 2021
5-Year Growth
+5.7%
3yr: +4.7% · 10yr: +8.4%
SA2 · 5yr
Household Income
$1,255/wk
Suburb · Census 2021 median
Median Age
40
Suburb · Census 2021
Socio-Economic Index
?3/10
SA2 · more disadvantaged
Unemployment
?7.9%
SA4 · Q4 2025
Schools
3
2 primary, 1 secondary
Hospitals
No data for this suburb
Childcare services
?4
4 long day, 1 OSHC
Parks & green space
?6
Parks, reserves
Transport stops
?45
GTFS stops
Dwelling approvals
?456
Wanneroo · 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 — Butler - Merriwa - Ridgewood (SA2)
ABS publishes annual estimates only at SA2; Merriwa (WA) suburb alone is ~5,587 (Census 2021).
Growth at a Glance
Population grew from 5,286 to 26,000 over 24 years, averaging 6.9% per year.
Schools
3 in suburbGovernment 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 1.9%Almost entirely detached houses (76.1%), owner-occupied (71%), built for families (46% are 4 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.