Linwood is an unincorporated community in the township of Wellesley, Region of Waterloo, Ontario, Canada.

It is recognized as a designated place by Statistics Canada.

In the 2021 Census of Population conducted by Statistics Canada, Linwood had a population of 734 living in 271 of its 280 total private dwellings, a change of -3.3% from its 2016 population of 759.

With a land area of 0.98 km2 (0.38 sq mi), it had a population density of 749.0/km2 (1,939.8/sq mi) in 2021.

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