South Australia · Postcode 5291
Caroline postcode and suburb data
South Australia · Phone area code 08 · 390 km from Adelaide
Suburb snapshot
Caroline 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 Caroline ranks: rents sit in the cheapest 10% in SA.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Caroline vs the SA average and the national average, using population-weighted 2021 Census data.
| 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
Location, Census, housing, SEIFA and geography fields used across this profile.
| 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 |
| State Electorate | Mount Gambier |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
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
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.