Fremont -- U.S. County in Iowa Population (2000): 8010 Housing Units (2000): 3514 Land area (2000): 511.079845 sq. miles (1323.690666 sq. km) Water area (2000): 5.675760 sq. miles (14.700151 sq. km) Total area (2000): 516.755605 sq. miles (1338.390817 sq. km) Located within: Iowa (IA), FIPS 19 Location: 40.735068 N, 95.615265 W Headwords: Fremont Fremont, IA Fremont County Fremont County, IA