Alexandrina
31,427 residents (ABS estimated resident population, 30 June 2025) across 1,827 km², 49 suburbs. Council website: alexandrina.sa.gov.au.
Council series run to July 2026.
Population
31,427
ABS estimated resident population, 30 June 2025 · +1.6% in a year
Density
17/km²
1,827 km² · ERP 2025 over the ABS 2024 boundary
Council-wide house median
$660k
Established-house transfers across the whole council, FY 2023-24 (ABS)
Federal grants per resident
$92
Financial Assistance Grant 2025-26 over ERP 2025
Dwelling approvals
13.0 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
49
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
- 53
- Median household income
- $1,143/week
- Median rent
- $280/week
- Median mortgage repayment
- $1,400/month
- Households renting
- 17.8%
- Average household
- 2.3 people
- Advantage and disadvantage (IRSAD)
- decile 5 of 10
- Disadvantage (IRSD)
- decile 6 of 10
Suburbs
49 suburbs where Alexandrina holds most residents, plus 4 it shares with a neighbouring council (share of residents shown). 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 |
|---|---|---|---|---|---|
| Strathalbyn (SA) | 7,246 | All | – / 99% | 3 | |
| Goolwa | 2,558 | All | – / 100% | 1 | |
| Port Elliot | 2,251 | All | – / 99% | 3 | |
| Goolwa Beach | 2,222 | All | – / 100% | 2 | |
| Hindmarsh Island | 1,846 | All | – / 100% | 3 | |
| Mount Compass | 1,580 | 99% | – / 100% | 4 | |
| Goolwa North | 1,307 | All | – / 100% | 2 | |
| Middleton (SA) | 1,298 | All | – / 100% | 6 | |
| Goolwa South | 1,041 | All | – / 95% | 2 | |
| Milang | 962 | All | – / 100% | 1 | |
| Clayton Bay | 472 | All | – / 100% | 2 | |
| Langhorne Creek | 444 | All | – / 100% | 7 | |
| Currency Creek | 443 | All | – / 100% | 6 | |
| Chiton | 440 | All | – / 98% | 5 | |
| Highland Valley | 384 | All | – / 100% | 9 | |
| Willyaroo | 376 | All | – / 100% | 5 | |
| Ashbourne (SA) | 308 | All | – / 100% | 6 | |
| Finniss | 293 | All | – / 100% | 6 | |
| Tooperang | 271 | All | – / 100% | 6 | |
| Woodchester | 253 | All | – / 100% | 7 | |
| Nangkita | 242 | All | – / 100% | 6 | |
| Paris Creek | 206 | 52% | – / 100% | 8 | |
| Kuitpo | 198 | 52% | – / 100% | 8 | |
| Yundi | 168 | All | – / 100% | 6 | |
| Pages Flat | 164 | All | – / 100% | 8 | |
| The Range (SA) | 159 | 35% | 0% / 100% | 9 | |
| Prospect Hill | 158 | 19% | – / 100% | 8 | |
| Mount Jagged | 155 | 70% | – / 100% | 6 | |
| Willunga Hill | 150 | All | – / 100% | 8 | |
| Hartley (SA) | 149 | All | – / 100% | 7 | |
| Red Creek | 145 | All | – / 100% | 9 | |
| Hope Forest | 143 | All | – / 100% | 8 | |
| Mosquito Hill | 137 | All | – / 100% | 6 | |
| Belvidere | 118 | All | – / 100% | 7 | |
| Bull Creek (SA) | 111 | 31% | – / 100% | 8 | |
| Gemmells | 99 | All | – / 100% | 9 | |
| Sandergrove | 98 | All | – / 100% | 6 | |
| Angas Plains | 81 | All | – / 100% | 8 | |
| Dingabledinga | 80 | All | – / 100% | 8 | |
| Bletchley | 76 | All | – / 100% | 7 | |
| McHarg Creek | 72 | All | – / 100% | 8 | |
| Point Sturt | 64 | All | – / 100% | 3 | |
| Mount Magnificent | 60 | All | – / 100% | 6 | |
| Lake Plains | 48 | All | 53% / 100% | 8 | |
| Kuitpo Colony | 47 | All | – / 100% | 8 | |
| Nurragi | 30 | All | – / 100% | 6 | |
| Blackfellows Creek | 28 | All | – / 100% | 8 | |
| Montarra | 28 | All | – / 100% | 8 | |
| Kyeema | 21 | All | – / 100% | 8 | |
| Tolderol | 21 | All | – / 100% | 8 | |
| Mount Observation (SA) | 10 | All | – / 100% | 6 | |
| Lake Alexandrina | 30% | – / 64% | |||
| Mundoo Island | All | – / 99% |
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
24%
Over 2 of 53 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
- Mayo · Rebekha SHARKIE (XEN)100%
- Barker · Tony PASIN (LP)1%
State districts
- Finniss · David Basham (LIB)62%
- Hammond · Adrian Pederick (LIB)33%
- Heysen · Josh Teague (LIB)5%
- Mawson · Leon Bignell (ALP)1%
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.