In 2017, Mercer County, KY had a population of 21.4k people with a median age of 42.8 and a median household income of $47,574. Between 2016 and 2017 the population of Mercer County, KY declined from 21,411 to 21,378, a -0.154% decrease and its median household income grew from $46,130 to $47,574, a 3.13% increase.
The 5 largest ethnic groups in Mercer County, KY are White (Non-Hispanic) (91.2%), Black or African American (Non-Hispanic) (4.07%), Two or More Races (Non-Hispanic) (1.34%), Some Other Race (Hispanic) (1.28%), and White (Hispanic) (1.24%). N/A% of the people in Mercer County, KY speak a non-English language, and 98.3% are U.S. citizens.
The median property value in Mercer County, KY is $139,900, and the homeownership rate is 71.8%. Most people in Mercer County, KY commute by Drove Alone, and the average commute time is 25.2 minutes. The average car ownership in Mercer County, KY is 2 cars per household.