St. Charles is a town in the Canadian province of Ontario, located in the Sudbury District. It was created on January 1, 1999 by amalgamating the political townships of Casimir, Jennings and Appleby as well as a strip of unorganized territory on the West Arm of Lake Nipissing. Along with the municipalities of Markstay-Warren and French River, it is part of the region known as Sudbury East. The town had a population of 1,269 in the Canada 2016 Census. Franco-Ontarians, or Ontarians who speak French as their mother tongue, make up the majority of the population. In addition to the primary townsite at St. Charles, the municipality also includes the smaller communities of Casimir and West Arm. Demographics In the 2021 Census of Population conducted by Statistics Canada, St.-Charles 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. See also List of townships in Ontario List of francophone communities in Ontario References External links Municipalities in Sudbury District Single-tier municipalities in Ontario