Adelaide Plains
11,736 residents (ABS estimated resident population, 30 June 2025) across 933 km², 20 suburbs. Council website: apc.sa.gov.au.
Council series run to July 2026.
Population
11,736
ABS estimated resident population, 30 June 2025 · +3.8% in a year
Density
13/km²
933 km² · ERP 2025 over the ABS 2024 boundary
Council-wide house median
$666k
Established-house transfers across the whole council, FY 2023-24 (ABS)
Federal grants per resident
$197
Financial Assistance Grant 2025-26 over ERP 2025
Dwelling approvals
8.8 per 1,000
Residents, 12 months to July 2026 (ABS Building Approvals)
Advantage decile
5 of 10
SEIFA 2021 IRSAD, national (10 = most advantaged)
Suburbs
20
Where it holds most residents (ABS mesh-block allocation)
Trends
Council-level series. Each chart names its source and period.
People and housing
Council-wide figures from the ABS Census of 2021 and SEIFA 2021 (national deciles, 10 = most advantaged).
- Median age
- 40
- Median household income
- $1,685/week
- Median rent
- $295/week
- Median mortgage repayment
- $1,517/month
- Households renting
- 10.7%
- Average household
- 2.7 people
- Advantage and disadvantage (IRSAD)
- decile 5 of 10
- Disadvantage (IRSD)
- decile 6 of 10
Suburbs
20 suburbs where Adelaide Plains holds most residents. Population is Census 2021 for the whole suburb. A median here is the suburb’s own Valuer-General median — suburbs without one are blank, never filled with the council figure.
| Suburb | Population | In this council | Median house (VG) | Flood / bushfire | IRSAD |
|---|---|---|---|---|---|
| Lewiston | 3,275 | All | 54% / 100% | 4 | |
| Two Wells | 3,233 | All | 50% / 97% | 4 | |
| Mallala | 1,042 | All | – / 100% | 2 | |
| Dublin | 405 | All | – / 100% | 1 | |
| Korunye | 224 | All | 63% / 100% | 4 | |
| Thompson Beach | 219 | All | – / 96% | 1 | |
| Lower Light | 203 | All | 44% / 100% | 4 | |
| Parham | 185 | All | – / 97% | 1 | |
| Redbanks | 185 | All | 12% / 100% | 4 | |
| Barabba | 135 | 83% | – / 100% | 6 | |
| Windsor (SA) | 133 | All | – / 100% | 2 | |
| Reeves Plains | 129 | 74% | 8% / 100% | 5 | |
| Port Gawler | 112 | All | 28% / 86% | 4 | |
| Wild Horse Plains | 96 | 73% | – / 100% | 2 | |
| Middle Beach | 94 | All | 48% / 93% | 4 | |
| Fischer | 78 | All | 0% / 100% | 4 | |
| Long Plains | 62 | 70% | – / 100% | 2 | |
| Grace Plains | 61 | 90% | – / 100% | 5 | |
| Calomba | 46 | All | – / 100% | 2 | |
| Webb Beach | 40 | All | – / 95% | 1 |
Hazards
Share of each member suburb's land inside the mapped layer, averaged across the council weighted by the residents each suburb contributes. Only suburbs a source covers count; the rest are left out, not counted as zero.
Flood planning land
50%
Over 9 of 20 member suburbs (the rest are not mapped)
Show the layer on the map →Representation
Federal electorates and state districts covering the council, by share of the residents its suburbs contribute (each suburb counts once, for the seat containing a representative interior point).
Federal electorates
- Grey · Tom VENNING (LP)100%
State districts
- Ngadjuri100%
Neighbouring councils
Councils in the same state whose suburbs share a boundary with this one's, and councils it splits a suburb with.
Compare it with every South Australia council on the council map or the South Australia council list.
Boundaries: ABS ASGS Edition 3, LGA 2024 boundaries; suburbs allocated by 2021 mesh block, weighted by Census 2021 residents. Population: ABS estimated resident population 2025. Census 2021 and SEIFA 2021: ABS. Council-wide medians: ABS Data by Region. Approvals: ABS Building Approvals. Grants: Financial Assistance Grants, Dept of Infrastructure. Flood and bushfire: state planning layers. Observed water: Geoscience Australia DEA Water Observations. Website and identity: Wikidata (CC0). ABS, Dept of Infrastructure and state government data CC BY 4.0. Council facts loaded 2026-09-24.