Western Australia · Postcode 6430
Somerville postcode and suburb data
Western Australia · Phone area code 08 · 547 km from Perth
Suburb snapshot
Somerville 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 Somerville ranks: household income is in the top 10% of WA suburbs; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Somerville vs the WA average and the national average, using population-weighted 2021 Census data.
| Metric | Somerville | WA avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,996 +WA | $1,891 | $1,836 |
| Rent/wk | $330 ≈WA | $355 | $390 |
| Mortgage/month | $2,123 +WA | $1,890 | $1,958 |
| Median age | 33 | 43.0 | 45.0 |
| SEIFA decile | 9/10 +WA | 6.0/10 | 6.0/10 |
| Unemployment | 2.7% -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.
Somerville is a very remote community in Western Australia, with postcode 6430. It lies roughly 547 km from Perth, classified by the ABS as very remote Australia. The area is administered by Kalgoorlie-Boulder.
According to the 2021 Census, Somerville has a population of 4,165 with a median age of 33. The median weekly household income is $2,996, above the WA average. The unemployment rate is 2.7%, lower than the WA average. The Indigenous population is 202 (4.8% of residents).
Housing in Somerville includes a median weekly rent of $330, median monthly mortgage repayment of $2,123, with 1,345 total dwellings. These housing costs sit above the WA average. Owner-occupied dwellings (owned or mortgaged) make up 61.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Somerville scores in decile 9 out of 10, which is well above the national average.
Somerville is served by Goldfields Baptist College.
Somerville is part of the Goldfields statistical area in Western Australia.
Somerville details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 6430 |
| State | Western Australia (WA) |
| Phone Area Code | 08 |
| Population (2021) | 4,165 |
| Median Age | 33 years |
| Median Household Income (Census 2021) | $2,996/week |
| Median Personal Income (Census 2021) | $1,431/week |
| Median Weekly Rent (Census 2021) | $330 |
| Median Monthly Mortgage (Census 2021) | $2,123 |
| Average Household Size | 2.8 persons |
| Area | 4.6 km² |
| Population Density | 914/km² |
| Total Dwellings | 1,345 |
| Australian Citizens | 76.1% |
| Indigenous Population | 202 (4.8%) |
| Unemployment Rate | 2.7% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -30.7707526 |
| Longitude | 121.4538326 |
| Distance from Perth | 547 km |
| Region (SA4) | Western Australia - Outback (South) |
| Area (SA3) | Goldfields |
| Local Government | Kalgoorlie-Boulder |
| Federal Electorate | O'Connor |
| State Electorate | Kalgoorlie (Mining and Pastoral) |
| Time Zone | AWST (UTC+8), Australia/Perth (standard time) |
Age Profile
Show counts
| 0–14 years | 1,010 (24.2%) |
| 15–24 years | 526 (12.6%) |
| 25–44 years | 1,297 (31.1%) |
| 45–64 years | 1,084 (26.0%) |
| 65+ years | 251 (6.0%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 217 (5.2%) |
| Arthritis | 143 (3.4%) |
| Diabetes | 136 (3.3%) |
| Heart Disease | 78 (1.9%) |
| Cancer | 64 (1.5%) |
| Lung Condition | 27 (0.6%) |
| Dementia | 8 (0.2%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 39 (3.0%) |
| 1 vehicle | 347 (26.5%) |
| 2 vehicles | 545 (41.6%) |
| 3+ vehicles | 380 (29.0%) |
Schools in Somerville
ACARA 2025 school profiles for schools located in Somerville. ICSEA is shown where ACARA publishes it.
Suburbs Near Somerville
Same Postcode (6430)
More Somerville 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.