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... Wikipedia
Area: 1,995 mi²
County seat: Aitkin
Sales tax: 6.88%
Founded: May 23, 1857 (created); June 30, 1871 (organized)
Named for: William Alexander Aitken