| Thornlie Perth, Western Australia | |||||||||||||||
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 Thornlie Square shopping centre | |||||||||||||||
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| Coordinates | 32°03′36″S 115°57′18″E / 32.0600605°S 115.9550732°E | ||||||||||||||
| Population | 23,665 (SAL 2021)[1] | ||||||||||||||
| Established | 1956 | ||||||||||||||
| Postcode(s) | 6108 | ||||||||||||||
| Area | 11.6 km2 (4.5 sq mi) | ||||||||||||||
| Location | 15 km (9 mi) SSE of the Perth CBD | ||||||||||||||
| LGA(s) | City of Gosnells | ||||||||||||||
| State electorate(s) | Gosnells, Cannington, Southern River | ||||||||||||||
| Federal division(s) | Burt | ||||||||||||||
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Thornlie is a large residential suburb of Perth, the capital city of Western Australia, located 15 kilometres (9.3 mi) south-east of the city's central business district. It is a part of the City of Gosnells local government area. The Canning River runs through the northern side of the suburb. Since the 1950s the suburb has developed in approximately five stages; north-east Thornlie (1950s–60s), south Thornlie (1970s–80s), Crestwood (1970s), Castle Glen (1980s) and Forest Lakes (1980s to present).
- ^ Australian Bureau of Statistics (28 June 2022). "Thornlie (suburb and locality)". Australian Census 2021 QuickStats. Retrieved 28 June 2022.
