Karnup 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 Karnup Compares
Karnup vs the WA average and the national average (2021 Census, population-weighted).
| Metric | Karnup | WA avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,122 +WA | $1,891 | $1,836 |
| Rent/wk | $370 ≈WA | $355 | $390 |
| Mortgage/month | $1,857 ≈WA | $1,890 | $1,958 |
| Median age | 30 | 43.0 | 45.0 |
| SEIFA decile | 6/10 ≈WA | 6.0/10 | 6.0/10 |
| Unemployment | 4.5% ≈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.
Postcode 6176 covers Karnup, an inland suburb of Perth about 53 km from the city centre. It forms part of the Perth - South West region of Western Australia. Local government services are provided by Rockingham.
According to the 2021 Census, Karnup has a population of 2,096 with a median age of 30. The median weekly household income is $2,122, above the WA average. The unemployment rate is 4.5%. The Indigenous population is 69 (3.3% of residents).
Housing in Karnup includes a median weekly rent of $370, median monthly mortgage repayment of $1,857, with 665 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 80.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Karnup scores in decile 6 out of 10, which is around the national average.
Karnup is part of the Rockingham statistical area in Western Australia.
Karnup Details
| Postcode | 6176 |
| State | Western Australia (WA) |
| Phone Area Code | 08 |
| Population (2021) | 2,096 |
| Median Age | 30 years |
| Median Household Income (Census 2021) | $2,122/week |
| Median Personal Income (Census 2021) | $895/week |
| Median Weekly Rent (Census 2021) | $370 |
| Median Monthly Mortgage (Census 2021) | $1,857 |
| Average Household Size | 3 persons |
| Area | 32.2 km² |
| Population Density | 65/km² |
| Total Dwellings | 665 |
| Australian Citizens | 83.5% |
| Indigenous Population | 69 (3.3%) |
| Unemployment Rate | 4.5% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -32.4250674 |
| Longitude | 115.7930198 |
| Distance from Perth | 53 km |
| Region (SA4) | Perth - South West |
| Area (SA3) | Rockingham |
| Local Government | Rockingham |
| Federal Electorate | Brand |
Age Profile
Show counts
| 0–14 years | 554 (26.4%) |
| 15–24 years | 243 (11.6%) |
| 25–44 years | 671 (32.0%) |
| 45–64 years | 420 (20.0%) |
| 65+ years | 203 (9.7%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 6 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 156 (7.4%) |
| Arthritis | 134 (6.4%) |
| Diabetes | 67 (3.2%) |
| Heart Disease | 56 (2.7%) |
| Cancer | 47 (2.2%) |
| Lung Condition | 22 (1.0%) |
| Dementia | 6 (0.3%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 3 (0.5%) |
| 1 vehicle | 159 (24.5%) |
| 2 vehicles | 300 (46.2%) |
| 3+ vehicles | 187 (28.8%) |
Suburbs Near Karnup
More Karnup 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.