In the 2021 Census of Population conducted by Statistics Canada, Upper Miramichi had a population of 2,175 living in 958 of its 1,187 total private dwellings, a change of -1.9% from its 2016 population of 2,218. With a land area of 1,832.97 km2 (707.71 sq mi), it had a population density of 1.2/km2 (3.1/sq mi) in 2021.[1]