Port KirwanPort Kirwan is a small incorporated fishing community located on the southern shore of the Avalon Peninsula, Newfoundland, Canada.DemographicsIn the 2021 Census of Population conducted by Statistics Canada, Port Kirwan had a population of living in of its total private dwellings, a change of from its 2016 population of. With a land area of, it had a population density of in 2021.