Suburb profile
Williamstown WA 6430
Williamstown is located in the Outback Western Australia (South) region of Western Australia, postcode 6430. It has 151 properties across 10 streets, almost all houses. Explore every street in Williamstown, its property history, homes for sale and rent, who lives there, and the local agents.
About Williamstown
Williamstown, WA 6430, sits in the Outback Western Australia (South) region and neighbours Kalgoorlie, Mullingar, South Kalgoorlie and Parkeston. Its 10 streets hold 151 properties, 149 of them houses and 2 units.
Census figures are for the Kalgoorlie area, which has 13,213 residents, a median age of 34 and an average household of 2.6 people. Median household income is $2,374 a week, the median mortgage repayment $1,700 a month and the median rent $300 a week. Of 4,538 dwellings, 3,489 are separate houses, 830 semi-detached, 128 flats and 87 other; 778 are owned outright, 1,850 owned with a mortgage and 1,727 rented.
Updated October 2026
Who lives in Williamstown
- 13,213Peoplelive in the area
- 34Median ageyears
- $2,374Median household incomea week
- $300Median renta week
Homes by type
- Houses3,489
- Townhouses and semis830
- Flats and apartments128
- Other87
Household
- Median mortgage repayment$1,700a month
- Household size2.6people on average
How homes are held
Streets in Williamstown
Neighbouring suburbs
Addresses and streets incorporate or were developed using G-NAF © Geoscape Australia, licensed by the Commonwealth of Australia under the Open Geo-coded National Address File (G-NAF) End User Licence Agreement.
Population and housing figures are drawn from the Australian Bureau of Statistics, Census of Population and Housing 2021, licensed under Creative Commons Attribution 4.0 International.
Area summaries are generated from the national address file and ABS Census data, and checked against those figures before publication.