Polk County, Iowa
Polk County is a county in Iowa with an estimated population of 505,255 in 2023. 17 cities, towns and Census places in it are indexed here.
Largest places in Polk County
Des Moines 210,381Ankeny 74,458West Des Moines 72,205Urbandale 46,729Johnston 24,640Altoona 21,698Clive 19,005Grimes 16,362Pleasant Hill 11,617Bondurant 8,959Polk City 6,303Windsor Heights 5,067Mitchellville 2,617Elkhart 1,041Runnells 451Alleman 434Sheldahl 311
About Polk County
Polk County is one of the counties of Iowa. County governments in Iowa handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.