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Western Australia · Postcode 6258
Lake Muir postcode and suburb data
Western Australia · Phone area code 08 · 283 km from Perth
Suburb snapshot
Lake Muir at a glance vs WA
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against WA
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Lake Muir ranks: household income sits in the bottom 25% of WA suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Lake Muir vs the WA average and the national average, using population-weighted 2021 Census data.
| Metric | Lake Muir | WA avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,124 -WA | $1,891 | $1,836 |
| Mortgage/month | $300 -WA | $1,890 | $1,958 |
| Median age | 67 | 43.0 | 45.0 |
| SEIFA decile | 5/10 ≈WA | 6.0/10 | 6.0/10 |
| Unemployment | 0.0% -WA | 5.0% | 5.0% |
Green pill = at least 10% above the WA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Lake Muir is a remote community in Western Australia, with postcode 6258. It lies roughly 283 km from Perth, classified by the ABS as remote Australia. The area is administered by Manjimup.
According to the 2021 Census, Lake Muir has a population of 7 with a median age of 67. The median weekly household income is $1,124, below the WA average.
Housing in Lake Muir includes a median monthly mortgage repayment of $300, 6 total dwellings. Housing costs in the area sit below the WA average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Lake Muir scores in decile 5 out of 10, which is around the national average.
Lake Muir is part of the Manjimup statistical area in Western Australia.
Lake Muir details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 6258 |
| State | Western Australia (WA) |
| Phone Area Code | 08 |
| Population (2021) | 7 |
| Median Age | 67 years |
| Median Household Income (Census 2021) | $1,124/week |
| Median Personal Income (Census 2021) | $687/week |
| Median Monthly Mortgage (Census 2021) | $300 |
| Average Household Size | 1.7 persons |
| Area | 711.4 km² |
| Population Density | 0/km² |
| Total Dwellings | 6 |
| Australian Citizens | 85.7% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 5/10 (average) |
| Latitude | -34.4359292 |
| Longitude | 116.503996 |
| Distance from Perth | 283 km |
| Region (SA4) | Bunbury |
| Area (SA3) | Manjimup |
| Local Government | Manjimup |
| Federal Electorate | O'Connor |
| State Electorate | Warren-Blackwood (South West) |
| Time Zone | AWST (UTC+8), Australia/Perth (standard time) |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 5 (71.4%) |
Housing Tenure
SEIFA socio-economic index
Suburbs Near Lake Muir
Same Postcode (6258)
More Lake Muir Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.