In 2017, Mercer County, MO had a population of 3.67k people with a median age of 43.6 and a median household income of $43,314. Between 2016 and 2017 the population of Mercer County, MO declined from 3,702 to 3,669, a -0.891% decrease and its median household income grew from $41,817 to $43,314, a 3.58% increase.
The 5 largest ethnic groups in Mercer County, MO are White (Non-Hispanic) (95.8%), Two or More Races (Non-Hispanic) (1.31%), White (Hispanic) (1.01%), Asian (Non-Hispanic) (0.627%), and Some Other Race (Hispanic) (0.6%). N/A% of the people in Mercer County, MO speak a non-English language, and 99.2% are U.S. citizens.
The median property value in Mercer County, MO is $82,500, and the homeownership rate is 76%. Most people in Mercer County, MO commute by Drove Alone, and the average commute time is 19.8 minutes. The average car ownership in Mercer County, MO is 3 cars per household.