Polk, IA County is a vibrant and growing community with a population of 488,871. It has a population density of 864 people per square mile, which is significantly higher than the US Population Density of 93 people per square mile. Local businesses in Polk, IA County include Kaleidoscope at the Hub, State Theater Des Moines, and Hy-Vee. Year-round outdoor activities include ice fishing at Saylorville Lake, hiking along the High Trestle Trail and camping in Ledges State Park. Other organizations in Polk, IA County include The Greater Des Moines Partnership and Habitat for Humanity of Central Iowa. Local sporting events in Polk, IA County include the Drake Relays held in April and the Des Moines Marathon held every fall.
The population in Polk County is 488,871. There are 854 people per square mile aka population density. The median age in Polk County is 35.9, the US median age is 38.4. The number of people per household in Polk County is 2.5, the US average of people per household is 2.6.
Family in Polk County
- 50.4% are married
- 11.6% are divorced
- 35.9% are married with children
- 17.1% have children, but are single
Race in Polk County
- 78.5% are White
- 6.3% are Black
- 4.3% are Asian
- 0.2% are Native American
- 0.1% claim Other
- 8.1% claim Hispanic ethnicity
- 2.4% Two or more races
- 0.1% Hawaiian, Pacific Islander