Urbandale is a city in Polk and Dallas counties in the U.S. state of Iowa. As of the 2020 census, the city population was 45,580. It is part of the D…Urbandale is a city in Polk and Dallas counties in the U.S. state of Iowa. As of the 2020 census, the city population was 45,580. It is part of the Des Moines–West Des Moines Metropolitan Statistical Area.