On permanent organization of the county in 1870, Beloit was chosen to be the county seat of Mitchell County, Kansas. It is northeast of the center of the county on the Solomon River. Beloit was first settled by A.A. Bell in 1868. he wanted to water power better. The town was called Willow Springs for some time. Beloit is named after Beloit, Wisconsin, the hometown of an early resident. Beloit sits at the junction of the Union Pacific and the Missouri Pacific Railroads.