Hutchinson County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 7,343. Its county seat is Olivet. The county was created in 1862 and organized in 1871. It was named for John Hutchinson, first territorial secretary.GeographyAccording to the U.S. Census Bureau, the county has a total area of, of which is land and (0.2%) is water.Major highways20px U.S. Highway 1820px U.S. Highway 8120px South Dakota Highway 2520px South Dakota Highway 3720px South Dakota Highway 44Adjacent counties Hanson County - north McCook County - northeast Turner County - east Yankton County - southeast Bon Homme County - south Charles Mix County - southwest Douglas County - west Davison County - northwest
