Newburgh, OntarioNewburgh 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, Newburgh had a population of 695 living in 278 of its 297 total private dwellings, a change of from its 2016 population of 729. With a land area of, it had a population density of in 2021.