Suburb · SA
Willunga, SA
Postcode, council area, planning zones and 2021 Census facts for Willunga, South Australia, from government sources. What those zones allow on a particular block is in the report.
Government data only, no interpretation · Data as at 6 October 2026 · Sources and licences
Willunga at a glance
| State | South Australia |
|---|---|
| Postcode | 5172 |
| Local government area | City of Onkaparinga |
| ABS suburb code (SAL 2021) | 41610 |
Planning zones in Willunga
- HF — Hills Face56%
- Ru — Rural32%
- TN — Township Neighbourhood6%
- 2 other zones5%
The three largest zones are coloured; every zone covering at least 1% of Willunga is listed below. Boundaries are the SA government’s published zone layer, clipped to the Australian Bureau of Statistics suburb boundary. A block’s own zone is read from its parcel, not from its suburb.
Road names © OpenStreetMap contributors.
- HF — Hills Face56% of the suburb
- Ru — Rural32% of the suburb
- TN — Township Neighbourhood6% of the suburb
- Rec — Recreation3% of the suburb
- T — Township2% of the suburb
Willunga in the 2021 Census
| Population | 2,445 |
|---|---|
| Median age | 47 years |
| Median weekly household income | $1,681 |
| Median weekly rent | $330 |
| Median monthly mortgage repayment | $1,683 |
| Average household size | 2.5 people |
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021
Median sale prices in Willunga
| Median house price | $961,500 |
|---|
Source: Government of South Australia open data, Q4 2025 (CC BY 4.0). A published median, not a valuation.
Other suburbs in City of Onkaparinga
- Aberfoyle ParkSA 5159
- Cherry GardensSA 5157
- Christie DownsSA 5164
- Flagstaff HillSA 5159
- Hackham WestSA 5163
- KangarillaSA 5157
Related guides
Sources
- Suburb and postcode boundaries: Australian Bureau of Statistics, Australian Statistical Geography Standard (ASGS) Edition 3, 2021, CC BY 4.0
- Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (CC BY 4.0)
- Median sale prices: Government of South Australia open data, Q4 2025 (CC BY 4.0)
- Zone codes and names: data.sa.gov.au (CC-BY 4.0)
Full list of data sources and licences: struqt.com.au/sources.
See what our architects make of a block in Willunga
Run an address in Willunga through Struqt for that block's zone controls, overlays and a feasibility read, written by registered architects and backed by government data.