In 2019, Mercer County, OH had a population of 40.9k people with a median age of 39.6 and a median household income of $62,952. Between 2018 and 2019 the population of Mercer County, OH grew from 40,806 to 40,884, a 0.191% increase and its median household income grew from $59,417 to $62,952, a 5.95% increase.
The 5 largest ethnic groups in Mercer County, OH are White (Non-Hispanic) (95.4%), White (Hispanic) (1.62%), Black or African American (Non-Hispanic) (0.819%), Two+ (Non-Hispanic) (0.714%), and Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0.577%). 0% of the households in Mercer County, OH speak a non-English language at home as their primary language, and 99% of the residents in Mercer County, OH are U.S. citizens.
The largest universities in Mercer County, OH are Wright State University-Lake Campus (173 degrees awarded in 2019).
In 2019, the median property value in Mercer County, OH was $153,800, and the homeownership rate was 77%. Most people in Mercer County, OH drove alone to work, and the average commute time was 18.3 minutes. The average car ownership in Mercer County, OH was 2 cars per household.