| Southern River Western Australia—Legislative Assembly | |||||||||||||||
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 Location of Southern River (dark green) in the Perth metropolitan area | |||||||||||||||
| State | Western Australia | ||||||||||||||
| Dates current | 1996–present | ||||||||||||||
| MP | Terry Healy | ||||||||||||||
| Party | Labor | ||||||||||||||
| Namesake | Southern River | ||||||||||||||
| Electors | 29,655 (2021) | ||||||||||||||
| Area | 35 km2 (13.5 sq mi) | ||||||||||||||
| Demographic | Metropolitan | ||||||||||||||
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Southern River is an electoral district of the Legislative Assembly in the state of Western Australia.
The district is a marginal seat based in the southern suburbs of Perth.