Duffys Forest
| Duffys Forest Sydney, New South Wales | |||||||||||||||
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| Population | 509 (2021 census) | ||||||||||||||
| Postcode(s) | 2084 | ||||||||||||||
| Elevation | 184 m (604 ft) | ||||||||||||||
| Location | 28 km (17 mi) north of Sydney CBD | ||||||||||||||
| LGA(s) | Northern Beaches Council | ||||||||||||||
| State electorate(s) | Pittwater | ||||||||||||||
| Federal division(s) | Mackellar | ||||||||||||||
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Duffys Forest is a suburb of northern Sydney, in the state of New South Wales, Australia. Duffys Forest is 28 kilometres north of the Sydney central business district in the local government area of Northern Beaches Council. Duffys Forest is considered to be part of the Northern Beaches region and the Forest District.