Brainerd is a city in Crow Wing County, Minnesota, United States. Its population was 14,395 at the 2020 census. It is the county seat of Crow Wing County. Brainerd straddles the Mississippi River several miles upstream from its confluence with the Crow Wing River, having been founded as a site for a railroad crossing above the confluence. Brainerd is the principal city of the Brainerd Micropolitan Area, a micropolitan area covering Cass and Crow Wing counties and with a combined population of 96,189 at the 2020 census. The city is well known for being the partial setting of the 1996 film Fargo.