Polk City is a city in Polk County, Iowa, United States. The population was 5,543 in the 2020 census, an increase from 3,418 in 2010. It is part of the Des Moines–West Des Moines Metropolitan Statistical Area.
Polk City is located along Saylorville Lake and near Big Creek State Park.
History
thumb|right|Big Creek Historical Museum in Polk City
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. The city was named after President James K. Polk, who was president at the time of its founding. Polk City is also known for having the only "town square" in all of Polk County.
Geography
According to the United States Census Bureau, the city has a total area of , of which is land and is water.