City of Kalgoorlie-Boulder
Boulder
Boulder at a glance
Walk score
6
Very car dependent
Population
4,872
Median age 35
The brief
What to know about Boulder.
Boulder (6432) sits in the Kalgoorlie-Boulder region of Western Australia.
Boulder has roughly 4,872 residents, with a typical family-age mix. Households are mostly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
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Day to day
What it’s like to live here.
Boulder scores 6/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Schooling within or near the suburb covers 8 government primary, 2 government secondary, 3 Catholic, 1 independent.
Who lives here
Demographics.
The 2021 Census put Boulder's population at 4,872, with a median age of 35. That sits as a typical family-age mix. Households are mostly owner-occupied (62% own, 34% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (65% family households, 30% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
4,872
Median age
35
Family households
65%
Lone person
30%
Demographics data as of May 2026· ABS 2021 Census
Market
The price of a home here.
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Sales data as of May 2026· sales-wa
Rental and ownership
Weekly rent (house)
$300/wk
Weekly rent (unit)
$300/wk
Owner occupied
62%
Renter occupied
34%
At a deeper level
4,872
Median age: 35
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Getting around
Walkability.
6
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Boulder.
Local schools for Boulder
View the catchment for each school to find out more.
Government School Catchment
Boulder Primary School
Kalgoorlie School Of The Air
Eastern Goldfields Education Support Centre
© ACARA, licensed under CC BY 4.0.
Frequently asked
About Boulder.
- What is the Boulder postcode?
- Boulder is in the 6432 postcode, in WA, in the City of Kalgoorlie-Boulder region.
- What is the average rent in Boulder?
- The median weekly rent for houses is $300, for units it's $300.
- What schools are in Boulder?
- There are 16 schools serving Boulder on this page, including Boulder Primary School, Kalgoorlie School Of The Air, St Joseph's School.
- How walkable is Boulder?
- Boulder has a Walk Score of 6 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Boulder?
- Boulder is close to Fimiston, South Boulder, Victory Heights, South Kalgoorlie, Williamstown.
- What is the population of Boulder?
- Boulder has approximately 4,872 residents. The median age is 35.
Boulder
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Surrounding Suburbs
Side by side
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
Always dated
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