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Yilgarn
Western Australia · Western Australia - Wheat Belt · 1,190 people · 23 suburbs · 5 postcodes
Yilgarn at a glance
Map shows the Yilgarn LGA boundary in blue with a marker per suburb. Hover for suburb name, click for details.
Marker colour reflects SEIFA IRSAD decile: ● 1-2 (most disadvantaged), ● 3-4, ● 5-6, ● 7-8, ● 9-10 (most advantaged).
Boundary source: ABS ASGS 2021. Map tiles: OpenStreetMap contributors.
Yilgarn is a Local Government Area in Western Australia, in the Perth region. It covers 23 suburbs across 5 postcodes and an area of 30,429 km². Yilgarn has a population of 1,190 , ranking #91 most populous in WA. The most populous suburb is Southern Cross (572 residents), and the highest median household income is in Dulyalbin at $3,750/week. The LGA-wide median household income is $1,202/week and median age is 47.8. About 17.4% of residents were born overseas and 7.1% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 119 (10.2%) |
| 15–24 years | 59 (5.1%) |
| 25–44 years | 338 (28.9%) |
| 45–64 years | 448 (38.4%) |
| 65+ years | 204 (17.5%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Yilgarn
3 schools across Yilgarn: 66.7% Government, 33.3% Catholic, 0% Independent. The WA average is 71.4% / 14.1% / 14.5%. Schools here have a median ICSEA of 944 (range 874 to 1006). WA median is 1006; national mean is 1000.
Sector mix
Type breakdown
ICSEA range
ICSEA (Index of Community Socio-Educational Advantage) summarises the socio-economic background of each school's families. Higher values indicate more advantage. Source: ACARA 2025.
All 3 schools in Yilgarn, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| Southern Cross District High School | Government | Combined | Southern Cross | 54 | 874 |
| St Joseph's School | Catholic | Primary | Southern Cross | 30 | 1006 |
| Moorine Rock Primary School | Government | Primary | Moorine Rock | 25 | 944 |
Source: ACARA School Profiles 2025. ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.
SEIFA socio-economic indexes
SEIFA 2021 ranks Australian areas across four dimensions. Scores are population-weighted averages of suburb-level SEIFA scores within Yilgarn. Higher scores indicate more advantage; the national mean is 1000.
IRSAD
Relative socio-economic advantage and disadvantage
IRSD
Relative disadvantage only (lower = more disadvantaged)
IER
Economic resources: income, wealth, housing
IEO
Education and occupation: qualifications, skill levels
Suburbs in Yilgarn
Yilgarn contains 23 suburbs and 5 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Southern Cross | 6426 | 572 | $1,244/wk | 50 |
| Mount Jackson | 6426 | 124 | 39 | |
| Marvel Loch | 6426 | 120 | $1,392/wk | 48 |
| Koolyanobbing | 6427 | 93 | 43 | |
| Moorine Rock | 6425 | 61 | $1,458/wk | 42 |
| Bodallin | 6424 | 40 | $1,687/wk | 55 |
| Bullfinch | 6484 | 29 | $724/wk | 52 |
| Dulyalbin | 6425 | 27 | $3,750/wk | 45 |
| Mount Hampton | 6426 | 24 | $1,875/wk | 46 |
| South Bodallin | 6424 | 20 | $2,750/wk | 52 |
| Ghooli | 6426 | 17 | $2,250/wk | 48 |
| North Bodallin | 6424 | 17 | $2,749/wk | 42 |
| South Yilgarn | 6426 | 15 | $2,250/wk | 51 |
| Corinthia | 6426 | 9 | $1,125/wk | 54 |
| Mount Holland | 6426 | 9 | $1,125/wk | 51 |
| Turkey Hill | 6426 | 9 | $3,499/wk | 66 |
| Holleton | 6426 | 4 | $725/wk | 65 |
| Ennuin | 6484 | 68 | ||
| Lake Deborah | 6484 | 55 | ||
| Mount Palmer | 6426 | |||
| Parker Range | 6426 | |||
| Skeleton Rock | 6426 | |||
| Yellowdine | 6426 | 26 |
Postcodes covered
Compare Yilgarn with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Yilgarn and its closest neighbouring LGAs.
| LGA | Population | Median age | Median HH income | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|---|
| Yilgarn (WA) | 1,190 | 47.8 | $1,202/wk | 965 | 32.1% | 17.4% |
| Narembeen | 797 | 46.7 | $1,613/wk | 997 | 19.4% | 9.3% |
| Merredin | 3,127 | 41.3 | $1,398/wk | 937 | 30.3% | 11.7% |
| Mukinbudin | 558 | 44.6 | $1,507/wk | 995 | 23.5% | 8.8% |
| Coolgardie | 3,485 | 38.4 | $1,851/wk | 871 | 36.8% | 16.6% |
| Kondinin | 849 | 45.0 | $1,196/wk | 960 | 28.5% | 11.2% |
Services and amenities
Frequently asked questions about Yilgarn
What is the population of Yilgarn?
The 2021 Census recorded 1,190 people living in Yilgarn, across 23 suburbs.
What suburbs are in Yilgarn?
Yilgarn contains 23 suburbs. The most populous are Southern Cross, Mount Jackson, Marvel Loch, Koolyanobbing, Moorine Rock.See the full list in the Suburbs section above.
What postcodes are in Yilgarn?
Yilgarn covers 5 postcodes: 6424, 6425, 6426, 6427, 6484.
What is the median household income in Yilgarn?
The population-weighted median household income across Yilgarn is $1,202 per week (2021 Census), ranking #107 of 123 WA LGAs.
How many schools are in Yilgarn?
Yilgarn has 3 schools, including 2 government, 1 Catholic, and 0 independent schools (ACARA 2025).
What is the SEIFA score for Yilgarn?
Yilgarn has a population-weighted SEIFA IRSAD score of 965, where the national average is 1000. Higher scores indicate more relative advantage.
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 (IRSD, IRSAD, IER, IEO), ACARA School Profiles 2025, ABS ASGS 2021 LGA boundaries. How this data is sourced.