Thornhill Park
| Thornhill Park Melbourne, Victoria | |||||||||||||||
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Entrance to the Thornhill Park display village, October 2018 | |||||||||||||||
| Coordinates | 37°43′45″S 144°37′30″E / 37.72917°S 144.62500°E | ||||||||||||||
| Population | 3,066 (SAL 2021) | ||||||||||||||
| Established | 2017 | ||||||||||||||
| Postcode(s) | 3335 | ||||||||||||||
| Location | 32 km (20 mi) from Melbourne | ||||||||||||||
| LGA(s) | City of Melton | ||||||||||||||
| State electorate(s) | Kororoit | ||||||||||||||
| Federal division(s) | Gorton | ||||||||||||||
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Thornhill Park is a suburb in Melbourne, Victoria, Australia, 32 km (20 mi) west of Melbourne's Central Business District, located within the City of Melton local government area. Thornhill Park recorded a population of 3,066 at the 2021 census.
The suburb was gazetted by the Office of Geographic Names on 9 February 2017, following a proposal for eleven new suburbs by the City of Melton. The new name officially came into effect in mid-2017.
Prior to the suburb's creation, the area was mostly part of Rockbank, with a small section previously part of Mount Cottrell, in the south.