Ringgold -- U.S. County in Iowa Population (2000): 5469 Housing Units (2000): 2789 Land area (2000): 537.665727 sq. miles (1392.547781 sq. km) Water area (2000): 1.257337 sq. miles (3.256488 sq. km) Total area (2000): 538.923064 sq. miles (1395.804269 sq. km) Located within: Iowa (IA), FIPS 19 Location: 40.737297 N, 94.232271 W Headwords: Ringgold Ringgold, IA Ringgold County Ringgold County, IA