Nalkain Postcode
Western Australia
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Nalkain Compares
Nalkain vs the WA average and the national average (2021 Census, population-weighted).
| Metric | Nalkain | WA avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,750 +WA | $1,891 | $1,836 |
| Median age | 29 | 43.0 | 45.0 |
| SEIFA decile | 9/10 +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.
Nalkain is a locality 179 km from Perth in Western Australia, classified as outer regional by the ABS. The postcode is 6485. It falls within the Western Australia - Wheat Belt region. The local government area is Wyalkatchem.
According to the 2021 Census, Nalkain has a population of 4 with a median age of 29. The median weekly household income is $2,750, above the WA average.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Nalkain scores in decile 9 out of 10, which is well above the national average.
Nalkain is part of the Wheat Belt - North statistical area in Western Australia.
Nalkain Details
| Postcode | 6485 |
| State | Western Australia (WA) |
| Phone Area Code | 08 |
| Population (2021) | 4 |
| Median Age | 29 years |
| Median Household Income (Census 2021) | $2,750/week |
| Median Personal Income (Census 2021) | $1,312/week |
| Average Household Size | 2 persons |
| Area | 75.2 km² |
| Population Density | 0/km² |
| Australian Citizens | 75.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -31.0717503 |
| Longitude | 117.4401708 |
| Distance from Perth | 179 km |
| Region (SA4) | Western Australia - Wheat Belt |
| Area (SA3) | Wheat Belt - North |
| Local Government | Wyalkatchem |
| Federal Electorate | Durack |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 4 (100.0%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 0 (0.0%) |
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.
Suburbs Near Nalkain
Same Postcode (6485)
More Nalkain 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.