Nestleton 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, Nestleton had a population of 71 living in 27 of its 27 total private dwellings, a change of -4.1% from its 2016 population of 74.
With a land area of 0.27 km2 (0.10 sq mi), it had a population density of 263.0/km2 (681.1/sq mi) in 2021.
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