In 2022, Polk County, IA had a population of 493k people with a median age of 36.1 and a median household income of $78,827. Between 2021 and 2022 the population of Polk County, IA grew from 488,871 to 493,378, a 0.922% increase and its median household income grew from $73,015 to $78,827, a 7.96% increase.
The 5 largest ethnic groups in Polk County, IA are White (Non-Hispanic) (75.5%), Black or African American (Non-Hispanic) (7.14%), Asian (Non-Hispanic) (4.86%), White (Hispanic) (4.26%), and Two+ (Non-Hispanic) (3.25%).
None of the households in Polk County, IA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
94.9% of the residents in Polk County, IA are U.S. citizens.
The largest universities in Polk County, IA are Des Moines Area Community College (4,028 degrees awarded in 2022), Drake University (1,525 degrees), and Grand View University (527 degrees).
In 2022, the median property value in Polk County, IA was $232,000, and the homeownership rate was 67.1%.
Most people in Polk County, IA drove alone to work, and the average commute time was 19.8 minutes. The average car ownership in Polk County, IA was 2 cars per household.
Polk County, IA borders Boone County, IA, Dallas County, IA, Jasper County, IA, Madison County, IA, Marion County, IA, Story County, IA, and Warren County, IA.