Manchester, OntarioManchester is an unincorporated community in Ontario, Canada. It is recognized as a designated place by Statistics Canada.DemographicsIn the 2021 Census of Population conducted by Statistics Canada, Manchester had a population of 111 living in 40 of its 42 total private dwellings, a change of from its 2016 population of 99. With a land area of, it had a population density of in 2021.