In 2018, Polk County, TN had a population of 16.8k people with a median age of 45.3 and a median household income of $41,818. Between 2017 and 2018 the population of Polk County, TN grew from 16,722 to 16,782, a 0.359% increase and its median household income declined from $42,307 to $41,818, a -1.16% decrease.
The 5 largest ethnic groups in Polk County, TN are White (Non-Hispanic) (95.1%), Two+ (Non-Hispanic) (2.14%), White (Hispanic) (1.23%), Other (Hispanic) (0.685%), and American Indian & Alaska Native (Non-Hispanic) (0.268%). NaNk% of the people in Polk County, TN speak a non-English language, and 99.4% are U.S. citizens.
The median property value in Polk County, TN is $113,800, and the homeownership rate is 73.8%. Most people in Polk County, TN commute by Drove Alone, and the average commute time is 27.5 minutes. The average car ownership in Polk County, TN is 3 cars per household.