Iowa (USA) is 86% larger than South Carolina (USA).
Area: 144,669 km2 US Census
Population: 3,090,416 (July 2013) US Census
Iowa is a U.S. state in the Midwestern United States, a region sometimes called the "American Heartland". Wikipedia
Area: 77,857 km2 US Census
Population: 4,774,839 (July 2013) US Census
South Carolina is a state in the Southeastern United States. It is bordered to the north by North Carolina; to the south and west by Georgia, located across the Savannah River; and to the east by the Atlantic Ocean. Wikipedia