In 2017, Polk County, MO had a population of 31.3k people with a median age of 37.5 and a median household income of $44,805. Between 2016 and 2017 the population of Polk County, MO grew from 31,113 to 31,347, a 0.752% increase and its median household income grew from $42,483 to $44,805, a 5.47% increase.
The 5 largest ethnic groups in Polk County, MO are White (Non-Hispanic) (93.9%), Two or More Races (Non-Hispanic) (2%), White (Hispanic) (1.62%), American Indian & Alaska Native (Non-Hispanic) (1.01%), and Black or African American (Non-Hispanic) (0.628%). N/A% of the people in Polk County, MO speak a non-English language, and 99.9% are U.S. citizens.
The median property value in Polk County, MO is $122,600, and the homeownership rate is 66.6%. Most people in Polk County, MO commute by Drove Alone, and the average commute time is 22.7 minutes. The average car ownership in Polk County, MO is 2 cars per household.