Aitkin County is a county in the U.S. state of Minnesota. As of the 2020 census, the population was 15,697. Its county seat is Aitkin. Part of the Mille Lacs Indian Reservation is in the county. The county was created in 1857 and organized in 1871.
Country: United States
State: Minnesota
Founded: May 23, 1857 (created) · June 30, 1871 (organized)
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