South Australia · Postcode 5203
Tunkalilla postcode and suburb data
South Australia · Phone area code 08 · 83 km from Adelaide
Suburb snapshot
Tunkalilla 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 Tunkalilla ranks: household income sits in the bottom 25% of SA suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Tunkalilla vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Tunkalilla | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $900 -SA | $1,545 | $1,836 |
| Median age | 63 | 45.0 | 45.0 |
| SEIFA decile | 6/10 ≈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.
Tunkalilla (5203) is a coastal town in regional South Australia. It lies around 83 km from Adelaide by road. The locality is part of the Fleurieu - Kangaroo Island statistical area. It is administered by Yankalilla.
According to the 2021 Census, Tunkalilla has a population of 6 with a median age of 63. The median weekly household income is $900, below the SA average.
Housing in Tunkalilla 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, Tunkalilla scores in decile 6 out of 10, which is around the national average.
Tunkalilla is part of the Fleurieu - Kangaroo Island statistical area in South Australia.
Tunkalilla details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5203 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 6 |
| Median Age | 63 years |
| Median Household Income (Census 2021) | $900/week |
| Median Personal Income (Census 2021) | $900/week |
| Average Household Size | 1.2 persons |
| Area | 49.4 km² |
| Population Density | 0/km² |
| Total Dwellings | 4 |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -35.6361554 |
| Longitude | 138.3234083 |
| Distance from Adelaide | 83 km |
| Region (SA4) | South Australia - South East |
| Area (SA3) | Fleurieu - Kangaroo Island |
| Local Government | Yankalilla |
| Federal Electorate | Mayo |
| State Electorate | Mawson |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 5 (83.3%) |
| 65+ years | 0 (0.0%) |
Housing Tenure
SEIFA socio-economic index
Suburbs Near Tunkalilla
Same Postcode (5203)
More Tunkalilla 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.