Example image of eyePlorer eyePlorer map for 'Des Moines, Iowa': Capital (political) Iowa U.S. state United States County seat Polk County, Iowa Warren County, Iowa 1851 September 22 Des Moines River French language Monk Des Moines metropolitan area United States Census Bureau 2000 United States Census Business Wire Blue Cross and Blue Shield Association Meredith Corporation Principal Financial Group ING Group Nationwide Mutual Insurance Company Pioneer Hi-Bred Wells Fargo Forbes Iowa caucuses Kiplinger's Personal Finance The New York Times Cahokia Monks Mound Trappists Moingona Jacques Marquette Louis Jolliet Pun Raccoon River Indigenous peoples of the Americas James Allen United States Department of War Meskwaki Sac (people) Martin Luther King, Jr. Coal mining 1846 May 25 October 18 Iowa City, Iowa Shaft mining Beaux-Arts architecture City Beautiful movement World Food Prize