Charlevoix (/ˈʃɑːrləˌvɔɪ/ SHARL-ə-VOY) is a city in the U.S. state of Michigan. The population was 2,513 at the 2010 census. It is the county seat of Charlevoix County. Charlevoix Township is a separate municipal entity that completely surrounds the city and has a year-round population of 1,697.