Suburb profile
Mount Horner WA 6525
Mount Horner is located in the Outback Western Australia (South) region of Western Australia, postcode 6525. It has 16 properties across 6 streets, almost all houses. Explore every street in Mount Horner, its property history, homes for sale and rent, who lives there, and the local agents.
About Mount Horner
Mount Horner, WA 6525, sits in Outback Western Australia (South) and neighbours Lockier, Yarragadee, Allanooka and Irwin. Its 6 streets hold 16 properties, all of them houses.
The census figures are for the Irwin area. At the 2021 Census Irwin had 3,680 residents, a median age of 53 and an average household of 2.2 people. Median household income was $1,168 a week, the median mortgage repayment $1,537 a month and the median rent $250 a week. Of 1,437 dwellings, 1,238 were separate houses, 130 semi-detached, 23 flats and 31 other; 650 were owned outright, 355 owned with a mortgage and 345 rented.
Updated October 2026
Who lives in Mount Horner
- 3,680Peoplelive in the area
- 53Median ageyears
- $1,168Median household incomea week
- $250Median renta week
Homes by type
- Houses1,238
- Townhouses and semis130
- Flats and apartments23
- Other31
Household
- Median mortgage repayment$1,537a month
- Household size2.2people on average
How homes are held
Streets in Mount Horner
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.