Boulder at a glance
Median house
$284,000
Median unit
$247,500
Walk score
6
Very car dependent
Population
4,872
Median age 35
The brief
What to know about Boulder.
The postcode for Boulder is 6432 (WA).
The median house price in Boulder is $284,000.
Boulder (6432) sits in the Kalgoorlie-Boulder region of Western Australia. The median house here is $284,000, well below the Western Australia median of around $720K.
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.
Side by side
Compare Boulder with a nearby suburb.
Median, growth, schools, walkability, all in one view.
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
Houses change hands at $284,000 on a typical sale, well below the Western Australia median. Units come in around $247,500, roughly 13% below the house median.
For buyers
A 20% deposit on the median house works out to roughly $57,000. Prices are well below the Western Australia median, which keeps Boulder on the radar for first-home buyers and right-sizers.
Market
The price of a home here.
Median house price
$284,000
+0.0% over the past year. Median unit price $247,500.
Sales data as of December 2024· sales-abs
Rental and ownership
Weekly rent (house)
$300/wk
Weekly rent (unit)
$300/wk
Owner occupied
62%
Renter occupied
34%
At a deeper level
$284,000
$247,500
4,872
Median age: 35
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For investors
Investment overview.
Gross rental yield on houses sits at 5.49% (median rent $300/wk against a $284,000 price tag). Units yield 6.30% gross, often the better cash-flow play for first-time investors. With 34% of households renting, the leasing market is established and vacancy risk tends to be lower than in owner-dominated suburbs.
Gross Yield (House)
Source: ABS Data by Region (SA2-level, 2024) · Dec 20245.49%
Based on $284,000 median
Gross Yield (Unit)
Source: ABS Data by Region (SA2-level, 2024) · Dec 20246.30%
Based on $247,500 median
Annual Growth (House)
Source: ABS Data by Region (SA2-level, 2024) · Dec 2024–
Year-on-year capital growth
Annual Growth (Unit)
Source: ABS Data by Region (SA2-level, 2024) · Dec 2024–
Year-on-year capital growth
Owner Occupancy
Source: ABS Census 2021 · May 202662%
Higher = more owner-occupier demand
Days on Market
Source: ABS Data by Region (SA2-level, 2024) · Dec 2024–
Lower = higher buyer demand
Gross rental yield is annual rent divided by purchase price, before expenses. It does not account for vacancy rates, management fees, maintenance, or financing costs. Use this as a starting point for further research.
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 median house price in Boulder?
- The median house price in Boulder, WA 6432 is $284,000. The median unit price is $247,500.
- What is the Boulder postcode?
- Boulder is in the 6432 postcode, in WA, in the City of Kalgoorlie-Boulder region.
- Where is Boulder?
- Boulder is a regional suburb in WA, postcode 6432, 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?
- The population of Boulder is approximately 4,872 (2021 Census). The median age is 35.
For Sale
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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 →
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