Dickinson -- U.S. County in Iowa Population (2000): 16424 Housing Units (2000): 11375 Land area (2000): 381.059465 sq. miles (986.939442 sq. km) Water area (2000): 22.626395 sq. miles (58.602091 sq. km) Total area (2000): 403.685860 sq. miles (1045.541533 sq. km) Located within: Iowa (IA), FIPS 19 Location: 43.385253 N, 95.143197 W Headwords: Dickinson Dickinson, IA Dickinson County Dickinson County, IA