Willmar is a city in, and the county seat of, Kandiyohi County, Minnesota, United States. The population was 21,015 at the 2020 census.
Litchfield Avenue at 4th Street
Kandiyohi County Museum
The former state hospital campus is now the MinnWest Technology Campus and is one of several of the city's listings on the National Register of Historic Places.
Kandiyohi County is a county in the U.S. state of Minnesota. As of the 2020 census, its population is 43,732. As of November 20, 1871, its county seat is Willmar.