Springfield, OntarioSpringfield 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, Springfield had a population of 761 living in 250 of its 255 total private dwellings, a change of from its 2016 population of 878. With a land area of, it had a population density of in 2021.