what county is polk city iowa in
Polk City is a city in Polk County, Iowa, United States. The population was 3,418 in the 2010 census, an increase from 2,344 in 2000 census. It is part of the Des MoinesâWest Des Moines Metropolitan Statistical Area. Polk City is located along Saylorville Lake and near Big Creek State Park. Polk City was settled in 1846 and incorporated as a city on March 13, 1875. It was an early contender for the seat of Polk County before Des Moines was ultimately chosen. Legal