Mundijong 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 Mundijong Compares
Mundijong vs the WA average and the national average (2021 Census, population-weighted).
| Metric | Mundijong | WA avg | AU avg | Greater Perth |
|---|---|---|---|---|
| Household income/wk | $1,823 ≈WA | $1,891 | $1,836 | $1,962 |
| Rent/wk | $385 ≈WA | $355 | $390 | $378 |
| Mortgage/month | $1,920 ≈WA | $1,890 | $1,958 | $2,002 |
| Median age | 40 | 43.0 | 45.0 | 40.0 |
| SEIFA decile | 3/10 -WA | 6.0/10 | 6.0/10 | 8.0/10 |
| Unemployment | 5.1% ≈WA | 5.0% | 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.
Mundijong is a locality 41 km from Perth in Western Australia, classified as inner regional by the ABS. The postcode is 6123. It falls within the Perth - South East region. The local government area is Serpentine-Jarrahdale.
According to the 2021 Census, Mundijong has a population of 1,246 with a median age of 40. The median weekly household income is $1,823, close to the WA average. The unemployment rate is 5.1%. The Indigenous population is 38 (3.0% of residents).
Housing in Mundijong includes a median weekly rent of $385, median monthly mortgage repayment of $1,920, with 412 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 84.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mundijong scores in decile 3 out of 10, which is below the national average.
Schools in Mundijong include Court Grammar School and Mundijong Primary School.
Mundijong is part of the Serpentine - Jarrahdale statistical area in Western Australia.
Mundijong Details
| Postcode | 6123 |
| State | Western Australia (WA) |
| Phone Area Code | 08 |
| Population (2021) | 1,246 |
| Median Age | 40 years |
| Median Household Income (Census 2021) | $1,823/week |
| Median Personal Income (Census 2021) | $739/week |
| Median Weekly Rent (Census 2021) | $385 |
| Median Monthly Mortgage (Census 2021) | $1,920 |
| Average Household Size | 2.8 persons |
| Area | 18.4 km² |
| Population Density | 68/km² |
| Total Dwellings | 412 |
| Australian Citizens | 85.9% |
| Indigenous Population | 38 (3.0%) |
| Unemployment Rate | 5.1% |
| SEIFA IRSAD Decile | 3/10 (below average) |
| Latitude | -32.2995985 |
| Longitude | 115.9845718 |
| Distance from Perth | 41 km |
| Region (SA4) | Perth - South East |
| Area (SA3) | Serpentine - Jarrahdale |
| Local Government | Serpentine-Jarrahdale |
| Federal Electorate | Canning |
Age Profile
Show counts
| 0–14 years | 256 (20.5%) |
| 15–24 years | 168 (13.5%) |
| 25–44 years | 275 (22.1%) |
| 45–64 years | 349 (28.0%) |
| 65+ years | 198 (15.9%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 3 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 98 (7.9%) |
| Asthma | 96 (7.7%) |
| Diabetes | 74 (5.9%) |
| Heart Disease | 55 (4.4%) |
| Cancer | 41 (3.3%) |
| Lung Condition | 28 (2.2%) |
| Dementia | 5 (0.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 6 (1.5%) |
| 1 vehicle | 68 (16.8%) |
| 2 vehicles | 155 (38.3%) |
| 3+ vehicles | 176 (43.5%) |
Schools in Mundijong
Suburbs Near Mundijong
Same Postcode (6123)
More Mundijong 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.