South Australia · Postcode 5671
Mount Cooper postcode and suburb data
South Australia · Phone area code 08 · 438 km from Adelaide
Suburb snapshot
Mount Cooper at a glance vs SA
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against SA
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Mount Cooper ranks: household income sits in the bottom 25% of SA suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Mount Cooper vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Mount Cooper | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $899 -SA | $1,545 | $1,836 |
| Median age | 18 | 45.0 | 45.0 |
| SEIFA decile | 5/10 ≈SA | 5.0/10 | 6.0/10 |
| Unemployment | 0.0% -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.
Mount Cooper is a very remote community in South Australia, with postcode 5671. It lies roughly 438 km from Adelaide, classified by the ABS as very remote Australia. The area is administered by Streaky Bay.
According to the 2021 Census, Mount Cooper has a population of 14 with a median age of 18. The median weekly household income is $899, below the SA average.
Housing in Mount Cooper includes a 4 total dwellings. Housing costs in the area sit below the SA average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mount Cooper scores in decile 5 out of 10, which is around the national average.
Mount Cooper is part of the Eyre Peninsula and South West statistical area in South Australia.
Mount Cooper details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5671 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 14 |
| Median Age | 18 years |
| Median Household Income (Census 2021) | $899/week |
| Median Personal Income (Census 2021) | $512/week |
| Average Household Size | 4.3 persons |
| Area | 183.3 km² |
| Population Density | 0/km² |
| Total Dwellings | 4 |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 5/10 (average) |
| Latitude | -33.1474827 |
| Longitude | 134.3632308 |
| Distance from Adelaide | 438 km |
| Region (SA4) | South Australia - Outback |
| Area (SA3) | Eyre Peninsula and South West |
| Local Government | Streaky Bay |
| Federal Electorate | Grey |
| State Electorate | Flinders |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 7 (50.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 0 (0.0%) |
Housing Tenure
SEIFA socio-economic index
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 0 (0.0%) |
| 2 vehicles | 0 (0.0%) |
| 3+ vehicles | 3 (100.0%) |
Suburbs Near Mount Cooper
Same Postcode (5671)
More Mount Cooper 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.