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Cooke Plains Postcode
South Australia
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Cooke Plains Compares
Cooke Plains vs the SA average and the national average (2021 Census, population-weighted).
| Metric | Cooke Plains | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,125 -SA | $1,545 | $1,836 |
| Rent/wk | $120 -SA | $308 | $390 |
| Mortgage/month | $650 -SA | $1,558 | $1,958 |
| Median age | 45 | 45.0 | 45.0 |
| SEIFA decile | 5/10 ≈SA | 5.0/10 | 6.0/10 |
| Unemployment | 11.8% +SA | 6.0% | 5.0% |
Green pill = at least 10% above the SA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Cooke Plains is a locality 100 km from Adelaide in South Australia, classified as outer regional by the ABS. The postcode is 5261. It falls within the South Australia - South East region. The local government area is Coorong.
According to the 2021 Census, Cooke Plains has a population of 69 with a median age of 45. The median weekly household income is $1,125, below the SA average. The unemployment rate is 11.8%, higher than the SA average.
Housing in Cooke Plains includes a median weekly rent of $120, median monthly mortgage repayment of $650, with 26 total dwellings. Housing costs in the area sit below the SA average. Owner-occupied dwellings (owned or mortgaged) make up 72.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Cooke Plains scores in decile 5 out of 10, which is around the national average.
Cooke Plains is part of the Murray and Mallee statistical area in South Australia.
Cooke Plains Details
| Postcode | 5261 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 69 |
| Median Age | 45 years |
| Median Household Income (Census 2021) | $1,125/week |
| Median Personal Income (Census 2021) | $606/week |
| Median Weekly Rent (Census 2021) | $120 |
| Median Monthly Mortgage (Census 2021) | $650 |
| Average Household Size | 2.4 persons |
| Area | 263.2 km² |
| Population Density | 0/km² |
| Total Dwellings | 26 |
| Australian Citizens | 92.8% |
| Unemployment Rate | 11.8% |
| SEIFA IRSAD Decile | 5/10 (average) |
| Latitude | -35.3780871 |
| Longitude | 139.5596677 |
| Distance from Adelaide | 100 km |
| Region (SA4) | South Australia - South East |
| Area (SA3) | Murray and Mallee |
| Local Government | Coorong |
| Federal Electorate | Barker |
Age Profile
Show counts
| 0–14 years | 9 (13.0%) |
| 15–24 years | 13 (18.8%) |
| 25–44 years | 12 (17.4%) |
| 45–64 years | 26 (37.7%) |
| 65+ years | 7 (10.1%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 5 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 7 (10.1%) |
| Heart Disease | 5 (7.2%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 3 (18.8%) |
| 2 vehicles | 4 (25.0%) |
| 3+ vehicles | 9 (56.2%) |
Suburbs Near Cooke Plains
Same Postcode (5261)
More Cooke Plains 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.