Huron (hyŏrˈänˌ) [key], city (1990 pop. 12,448), seat of Beadle co., E central S.Dak., on the James River; inc. 1883. A shipping and trade center for a large livestock and grain area, it has meatpacking, lumbering, and tourism industries, and asphalt and mining equipment are manufactured. It is also the administrative center for a number of state and federal agencies. Huron was the hometown of Hubert Humphrey. The city is the seat of Si Tanka Huron Univ. The South Dakota State Fair is held annually in Huron.