Riverhead, Newfoundland and LabradorRiverhead was a small village of 20 families in 1864. It is now a town in the St. Mary's area with a population of over 400 by 1968.DemographicsIn the 2021 Census of Population conducted by Statistics Canada, Riverhead 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.