In 2017, Mercer County, OH had a population of 40.7k people with a median age of 39.8 and a median household income of $57,052. Between 2016 and 2017 the population of Mercer County, OH declined from 40,886 to 40,723, a -0.399% decrease and its median household income grew from $55,220 to $57,052, a 3.32% increase.
The 5 largest ethnic groups in Mercer County, OH are White (Non-Hispanic) (95.8%), White (Hispanic) (1.31%), Two or More Races (Non-Hispanic) (0.796%), Black or African American (Non-Hispanic) (0.683%), and Some Other Race (Hispanic) (0.484%). N/A% of the people in Mercer County, OH speak a non-English language, and 99.4% are U.S. citizens.
The largest universities in Mercer County, OH are Wright State University-Lake Campus (161 degrees awarded in 2017).
The median property value in Mercer County, OH is $137,900, and the homeownership rate is 77.4%. Most people in Mercer County, OH commute by Drove Alone, and the average commute time is 17.1 minutes. The average car ownership in Mercer County, OH is 2 cars per household.