Willamulka 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 Willamulka Compares
Willamulka vs the SA average and the national average (2021 Census, population-weighted).
| Metric | Willamulka | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,062 +SA | $1,545 | $1,836 |
| Rent/wk | $150 -SA | $308 | $390 |
| Mortgage/month | $628 -SA | $1,558 | $1,958 |
| Median age | 34 | 45.0 | 45.0 |
| SEIFA decile | 3/10 -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.
Willamulka is a locality 136 km from Adelaide in South Australia, classified as outer regional by the ABS. The postcode is 5554. It falls within the Barossa - Yorke - Mid North region. The local government area is Copper Coast.
According to the 2021 Census, Willamulka has a population of 65 with a median age of 34. The median weekly household income is $2,062, above the SA average.
Housing in Willamulka includes a median weekly rent of $150, median monthly mortgage repayment of $628, with 25 total dwellings. Housing costs in the area sit below the SA average. Owner-occupied dwellings (owned or mortgaged) make up 87.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Willamulka scores in decile 3 out of 10, which is below the national average.
Willamulka is part of the Yorke Peninsula statistical area in South Australia.
Willamulka Details
| Postcode | 5554 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 65 |
| Median Age | 34 years |
| Median Household Income (Census 2021) | $2,062/week |
| Median Personal Income (Census 2021) | $885/week |
| Median Weekly Rent (Census 2021) | $150 |
| Median Monthly Mortgage (Census 2021) | $628 |
| Average Household Size | 3 persons |
| Area | 85.2 km² |
| Population Density | 1/km² |
| Total Dwellings | 25 |
| Australian Citizens | 89.2% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 3/10 (below average) |
| Latitude | -33.9060179 |
| Longitude | 137.7885352 |
| Distance from Adelaide | 136 km |
| Region (SA4) | Barossa - Yorke - Mid North |
| Area (SA3) | Yorke Peninsula |
| Local Government | Copper Coast |
| Federal Electorate | Grey |
Age Profile
Show counts
| 0–14 years | 19 (29.2%) |
| 15–24 years | 10 (15.4%) |
| 25–44 years | 14 (21.5%) |
| 45–64 years | 21 (32.3%) |
| 65+ years | 3 (4.6%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 3 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 6 (9.2%) |
| Asthma | 3 (4.6%) |
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 | 0 (0.0%) |
| 2 vehicles | 8 (42.1%) |
| 3+ vehicles | 11 (57.9%) |
Suburbs Near Willamulka
Same Postcode (5554)
More Willamulka 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.