Coleraine, QuebecColeraine is an unincorporated community in Saint-Joseph-de-Coleraine, Quebec, Canada. It is recognized as a designated place by Statistics Canada.DemographicsIn the 2021 Census of Population conducted by Statistics Canada, Coleraine had a population of 1,067 living in 498 of its 523 total private dwellings, a change of from its 2016 population of 1,043. With a land area of, it had a population density of in 2021.