Suburb · SA
Christie Downs, SA
Postcode, council area, planning zones and 2021 Census facts for Christie Downs, 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
Christie Downs at a glance
| State | South Australia |
|---|---|
| Postcode | 5164 |
| Local government area | City of Onkaparinga |
| ABS suburb code (SAL 2021) | 40256 |
Planning zones in Christie Downs
- HDN — Housing Diversity Neighbourhood95%
- GN — General Neighbourhood3%
The three largest zones are coloured; every zone covering at least 1% of Christie Downs 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.
- HDN — Housing Diversity Neighbourhood95% of the suburb
- GN — General Neighbourhood3% of the suburb
Christie Downs in the 2021 Census
| Population | 5,239 |
|---|---|
| Median age | 41 years |
| Median weekly household income | $889 |
| Median weekly rent | $250 |
| Median monthly mortgage repayment | $1,148 |
| Average household size | 2.2 people |
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021
Median sale prices in Christie Downs
| Median house price | $716,000 |
|---|
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
- Flagstaff HillSA 5159
- Hackham WestSA 5163
- KangarillaSA 5157
- Morphett ValeSA 5162
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 Christie Downs
Run an address in Christie Downs through Struqt for that block's zone controls, overlays and a feasibility read, written by registered architects and backed by government data.