Aitkin (pronunciation: /eɪkɨn/ ay-kin) is a city in Aitkin County, Minnesota, United States. The population was 2,165 at the 2010 census. It is the county seat of Aitkin County.
The Aitkin Municipal Airport is located at the northeast side of town.
U.S. Route 169 and Minnesota State Highways 47 and 210, and County Road 15 are four of the main arterial routes in the city.