North Dakota (USA) is 24% larger than Iowa (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: 178,711 km2 US Census
Population: 723,393 (July 2013) US Census
North Dakota is the 39th state of the United States, having been admitted to the union on November 2, 1889. Wikipedia