what county is south urbandale moines ia in
West Des Moines, IA. Online Offers. West Des Moines is a city in Polk, Dallas, and Warren counties in the U.S. state of Iowa. As of the 2000 census, the city population was 46,403; a special census taken in the spring of 2005 counted 51,744 residents and the United States Census Bureau estimated that 53,889 residents lived there in 2008.