Boulder
WABoulder is a growing suburb in WA with 4,872 residents.
- SAL code
- 50159
- SA2
- 511031278
- Population
- 4,872
- LGA
- Kalgoorlie-Boulder
Boulder, WA had 4,872 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 5-14 years, and the median age sits at 35. Households are most often couples with children, and those with a mortgage repay a median of $1,302 a month. Around 62.1% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 41.3%. Most dwellings are separate houses, making up 83.9% of the suburb's housing stock. The suburb has 11 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
?4,872
Suburb · Census 2021
5-Year Growth
+4.5%
3yr: +2.9% · 10yr: +0.7%
SA2 · 5yr
Household Income
$1,968/wk
Suburb · Census 2021 median
Median Age
35
Suburb · Census 2021
Socio-Economic Index
?2/10
SA2 · more disadvantaged
Unemployment
?4.3%
SA2 · Q4 2025
Schools
4
3 primary
Hospitals
No data for this suburb
Childcare services
?2
1 long day, 1 OSHC
Parks & green space
?11
Parks, reserves
Transport stops
?34
GTFS stops
Dwelling approvals
?2
Kalgoorlie-Boulder · 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 — Boulder (SA2)
ABS publishes annual estimates only at SA2; Boulder suburb alone is ~4,872 (Census 2021).
Source: ABS ERP (latest release · 2025) · Census 2021. Numbers refreshed quarterly.
Growth at a Glance
Population grew from 8,095 to 7,756 over 24 years, averaging -0.2% per year.
Schools
3 in suburbSector
2 public · 1 private
Type
3 primary
Total enrolment
1,182
Avg per school
394
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 3.6%Almost entirely detached houses (83.9%), mixed tenure (62.1% own or mortgage), built for families (52% are 3 bed).
Dwelling mix
Tenure
WA 27%
Number of bedrooms
Bushfire risk
This suburb falls outside every bushfire polygon mapped by the relevant authority. Always confirm at the property address — local conditions and unmapped overlays can still apply.
Overlap is the percentage of the suburb's land area inside the mapped bushfire polygons. Always verify the exact property address with the relevant authority before making decisions. Source when available: WA DFES Bush Fire Prone Areas and DWER Floodplain Mapping.
Flood risk
Flood data is not yet available for WA.
Overlap is the percentage of the suburb's land area inside the mapped flood polygons. Always verify the exact property address with the relevant authority before making decisions. 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.