How One Tree Hill voted
SA2 area in South Australia · federal division: Spence · federal elections 2019, 2022, 2025
At the 2025 federal election, residents of One Tree Hill favoured Labor 55.7% (v Coalition 44.3%) on a two-party-preferred basis, 3.7 points to Labor since 2022. Labor led first preferences with 37.7%.
Results by election
| 2019 | 2022 | 2025 | Swing 2022→25 | |
|---|---|---|---|---|
| Two-party preferred | Lab 51.1 | Lab 52.0 | Lab 55.7 | Lab +3.7 |
| Labor | 39.7% | 34.5% | 37.7% | +3.2 |
| Coalition | 39.1% | 35.3% | 25.5% | -9.9 |
| Greens | 6.9% | 11.3% | 11.7% | +0.5 |
| One Nation | 0.0% | 10.6% | 10.9% | +0.3 |
| Independents | 4.2% | 0.0% | 2.4% | +2.4 |
| Others | 10.1% | 8.2% | 11.8% | +3.6 |
2021 Census profile
| Indicator | One Tree Hill | Typical area |
|---|---|---|
| Median age | 47 | 39 |
| Median household income ($/week) | $2,277 | $1,753 |
| Bachelor degree or higher % | 18.6% | 21.4% |
| No religion % | 53.1% | 44.7% |
| Renting (all) % | 4.3% | 27.2% |
| Owned outright % | 49.1% | 32.7% |
| Born overseas % | 21.1% | 23.6% |
| Born in non-English-speaking country % | 5.7% | 12.5% |
Usual residents: 2,473 (1,956 aged 18+). "Typical area" is the median across all areas.
Where residents voted in 2025
| Polling place | Type | Share of residents' votes | In this area |
|---|---|---|---|
| One Tree Hill | Ordinary | 44% | yes |
| Postal | Declaration: Postal | 12% | |
| Gawler SPENCE PPVC | PPVC | 8% | |
| Munno Para PPVC | PPVC | 8% | |
| Absent | Declaration: Absent | 4% | |
| Evanston South | Ordinary | 3% | |
| Modbury SPENCE PPVC | PPVC | 3% | |
| Salisbury SPENCE PPVC | PPVC | 2% |
Top polling places by estimated votes from this area, including postal and other declaration votes.
Other areas in Spence
- Gawler - South
- Craigmore - Blakeview
- Davoren Park
- Elizabeth
- Elizabeth East
- Munno Para West - Angle Vale
- Smithfield - Elizabeth North
- Virginia - Waterloo Corner
- Dry Creek - North
- Paralowie
- Salisbury
- Salisbury North
Sources: Australian Electoral Commission (AEC) federal election results and votes-by-SA1 files, 2019–2025; Australian Bureau of Statistics (ABS) Australian Statistical Geography Standard Edition 3 boundaries and 2021 Census DataPacks. Both © Commonwealth of Australia, used under CC BY 4.0. Basemap © Esri, HERE, Garmin, © OpenStreetMap contributors. Area results are estimates of how residents voted, not official counts — see the methods. Built 2 November 2026. Spotted an error? Tell us.