In 2017, Marion County, KY had a population of 19.3k people with a median age of 39.7 and a median household income of $40,005. Between 2016 and 2017 the population of Marion County, KY declined from 19,497 to 19,335, a -0.831% decrease and its median household income declined from $40,392 to $40,005, a -0.958% decrease.
The 5 largest ethnic groups in Marion County, KY are White (Non-Hispanic) (87.7%), Black or African American (Non-Hispanic) (8.47%), White (Hispanic) (1.48%), Two or More Races (Non-Hispanic) (0.941%), and Some Other Race (Hispanic) (0.884%). N/A% of the people in Marion County, KY speak a non-English language, and 98.9% are U.S. citizens.
The median property value in Marion County, KY is $100,400, and the homeownership rate is 73.9%. Most people in Marion County, KY commute by Drove Alone, and the average commute time is 19.6 minutes. The average car ownership in Marion County, KY is 2 cars per household.