Caroline 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 Caroline Compares
Caroline vs the SA average and the national average (2021 Census, population-weighted).
| Metric | Caroline | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,375 -SA | $1,545 | $1,836 |
| Mortgage/month | $2,377 +SA | $1,558 | $1,958 |
| Median age | 41 | 45.0 | 45.0 |
| SEIFA decile | 4/10 ≈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.
Caroline is a locality 390 km from Adelaide in South Australia, classified as outer regional by the ABS. The postcode is 5291. It falls within the South Australia - South East region. The local government area is Grant.
According to the 2021 Census, Caroline has a population of 11 with a median age of 41. The median weekly household income is $1,375, below the SA average.
Housing in Caroline includes a median monthly mortgage repayment of $2,377, 3 total dwellings. These housing costs sit above the SA average.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Caroline scores in decile 4 out of 10, which is below the national average.
Caroline is part of the Limestone Coast statistical area in South Australia.
Caroline Details
| Postcode | 5291 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 11 |
| Median Age | 41 years |
| Median Household Income (Census 2021) | $1,375/week |
| Median Personal Income (Census 2021) | $900/week |
| Median Monthly Mortgage (Census 2021) | $2,377 |
| Average Household Size | 2.6 persons |
| Area | 117.5 km² |
| Population Density | 0/km² |
| Total Dwellings | 3 |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 4/10 (below average) |
| Latitude | -37.8972141 |
| Longitude | 140.9181878 |
| Distance from Adelaide | 390 km |
| Region (SA4) | South Australia - South East |
| Area (SA3) | Limestone Coast |
| Local Government | Grant |
| Federal Electorate | Barker |
Age Profile
Show counts
| 0–14 years | 4 (36.4%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 7 (63.6%) |
| 65+ years | 0 (0.0%) |
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 4 of 10. Higher deciles indicate more advantage.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 0 (0.0%) |
| 2 vehicles | 4 (100.0%) |
| 3+ vehicles | 0 (0.0%) |
Suburbs Near Caroline
Same Postcode (5291)
More Caroline 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.