In the 2021 Census of Population conducted by Statistics Canada, St. Simon had a population of 648 living in 307 of its 333 total private dwellings, a change of -7.4% from its 2016 population of 700. With a land area of 18.11 km2 (6.99 sq mi), it had a population density of 35.8/km2 (92.7/sq mi) in 2021.[1]
English-speaking people have a school in Brantville which welcomes students from kindergarten to eighth grade. They must then continue their studies in Miramichi. The closest English higher education institutions are in Fredericton, the provincial capital, or Miramichi.
There is a public library in Caraquet. However, the Bookmobile North makes a stop in the village.[2][3]