Des Moines, Iowa

Des Moines (dɪˈmɔɪn) is the capital and the most populous city in the U.S. state of Iowa. It is also the county seat of Polk County. A small portion of the city extends into Warren County. It was incorporated on September 22, 1851, as Fort Des Moines which was shortened to "Des Moines" in 1857. It is named after the Des Moines River, which may have been adapted from the French Rivière des Moines, literally meaning "River of the Monks." The five-county metropolitan area is ranked 91st in terms of population in the United States according to 2008 estimates with 556,230 residents according to United States Census Bureau. The city proper population was 198,682 at the 2000 census.