Highgate is an unincorporated community in Ontario, Canada.
It is recognized as a designated place by Statistics Canada.
In the 2021 Census of Population conducted by Statistics Canada, Highgate had a population of 299 living in 145 of its 153 total private dwellings, a change of -11.5% from its 2016 population of 338.
With a land area of 2.88 km2 (1.11 sq mi), it had a population density of 103.8/km2 (268.9/sq mi) in 2021.
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