Suburb profile

Koolyanobbing WA 6427

Koolyanobbing is located in the Wheatbelt region of Western Australia, postcode 6427. It has 195 properties across 14 streets, almost all houses. Explore every street in Koolyanobbing, its property history, homes for sale and rent, who lives there, and the local agents.

About Koolyanobbing

Koolyanobbing, WA 6427, sits in the Wheatbelt region and neighbours Yellowdine, Ghooli, Lake Deborah and Turkey Hill. Its 14 streets hold 195 properties, all of them houses.

Census figures are for the Mukinbudin area. It had 3,005 residents, a median age of 47 and an average household of 2.1 people. Median household income was $1,286 a week, the median mortgage repayment $719 a month and the median rent $133 a week. Of 1,092 dwellings, 1,039 were separate houses, 34 semi-detached, 3 flats and 7 other; 527 were owned outright, 170 owned with a mortgage and 254 rented.

Updated October 2026

Who lives in Koolyanobbing

  • 3,005Peoplelive in the area
  • 47Median ageyears
  • $1,286Median household incomea week
  • $133Median renta week

Homes by type

  • Houses1,039
  • Townhouses and semis34
  • Flats and apartments3
  • Other7

Household

  • Median mortgage repayment$719a month
  • Household size2.1people on average

How homes are held

Owned outright 527Owned with a mortgage 170Rented 254Other 141

Streets in Koolyanobbing

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.