Suburb · SA
Modbury, SA
Postcode, council area, planning zones and 2021 Census facts for Modbury, 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
Modbury at a glance
| State | South Australia |
|---|---|
| Postcode | 5092 |
| Local government area | City of Tea Tree Gully |
| ABS suburb code (SAL 2021) | 40898 |
Planning zones in Modbury
- HDN — Housing Diversity Neighbourhood33%
- GN — General Neighbourhood32%
- UAC — Urban Activity Centre27%
- 3 other zones6%
The three largest zones are coloured; every zone covering at least 1% of Modbury 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 Neighbourhood33% of the suburb
- GN — General Neighbourhood32% of the suburb
- UAC — Urban Activity Centre27% of the suburb
- OS — Open Space4% of the suburb
- URN — Urban Renewal Neighbourhood1% of the suburb
- SAC — Suburban Activity Centre1% of the suburb
Modbury in the 2021 Census
| Population | 5,593 |
|---|---|
| Median age | 37 years |
| Median weekly household income | $1,342 |
| Median weekly rent | $315 |
| Median monthly mortgage repayment | $1,430 |
| Average household size | 2.3 people |
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021
Median sale prices in Modbury
| Median house price | $894,500 |
|---|
Source: Government of South Australia open data, Q4 2025 (CC BY 4.0). A published median, not a valuation.
Other suburbs in City of Tea Tree Gully
- Tea Tree GullySA 5091
- Aberfoyle ParkSA 5159
- Christie DownsSA 5164
- Clarence ParkSA 5034
- EdwardstownSA 5039
- Elizabeth GroveSA 5112
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 Modbury
Run an address in Modbury through Struqt for that block's zone controls, overlays and a feasibility read, written by registered architects and backed by government data.