How Thornlie voted
SA2 area in Western Australia · federal division: Burt · federal elections 2019, 2022, 2025
At the 2025 federal election, residents of Thornlie favoured Labor 66.6% (v Coalition 33.4%) on a two-party-preferred basis, 2.1 points to Labor since 2022. Labor led first preferences with 46.9%.
Results by election
| 2019 | 2022 | 2025 | Swing 2022→25 | |
|---|---|---|---|---|
| Two-party preferred | Lab 55.4 | Lab 64.5 | Lab 66.6 | Lab +2.1 |
| Labor | 41.5% | 51.6% | 46.9% | -4.7 |
| Coalition | 33.8% | 24.6% | 18.9% | -5.8 |
| Greens | 9.7% | 10.0% | 13.2% | +3.2 |
| One Nation | 5.6% | 4.1% | 9.1% | +5.0 |
| Independents | 1.2% | 0.0% | 2.0% | +2.0 |
| Others | 8.2% | 9.6% | 9.9% | +0.3 |
2021 Census profile
| Indicator | Thornlie | Typical area |
|---|---|---|
| Median age | 38 | 39 |
| Median household income ($/week) | $1,571 | $1,753 |
| Bachelor degree or higher % | 18.6% | 21.4% |
| No religion % | 37.4% | 44.7% |
| Renting (all) % | 21.4% | 27.2% |
| Owned outright % | 33.7% | 32.7% |
| Born overseas % | 43.5% | 23.6% |
| Born in non-English-speaking country % | 30.3% | 12.5% |
Usual residents: 23,665 (18,193 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 |
|---|---|---|---|
| Maddington PPVC | PPVC | 27% | |
| Postal | Declaration: Postal | 13% | |
| Thornlie South | Ordinary | 10% | yes |
| Thornlie West | Ordinary | 8% | yes |
| Thornlie | Ordinary | 8% | yes |
| Thornlie East | Ordinary | 7% | yes |
| Cannington BURT PPVC | PPVC | 6% | |
| Absent | Declaration: Absent | 5% |
Top polling places by estimated votes from this area, including postal and other declaration votes.
Other areas in Burt
- Armadale - Wungong - Brookdale
- Camillo - Champion Lakes
- Seville Grove
- Harrisdale
- Piara Waters - Forrestdale
- Beckenham - Kenwick - Langford
- Gosnells
- Huntingdale - Southern River
- Byford
- Mundijong
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.