Mercer County - Just the Facts
Geographic Size
Mercer County, Ohio has 462.4 square miles of land area and is the 36th largest county in Ohio by total area. Mercer County, Ohio is bordered by Darke, Shelby, Auglaize, Van Wert (Ohio) and Jay and Adams County in Indiana.
Population
Mercer County…………………………… 42,528
City of Celina (county seat) ………………….10,938
Village of Coldwater ………………………………..4,774
Village of St. Henry …………………………………..2,596
Village of Fort Recovery …………………………. 1,501
Village of Rockford …………………………………….1,051
Village of Mendon ………………………………………. 628
Village of Chickasaw …………………………………..358
Village of Burkettsville …………………………………..272
Village of Montezuma ……………………………….. 152
County Tax Rate
The sales tax rate for Mercer County is 7.25%.
Median Household Income
Mercer County – $68,692, compared to Ohio average of $67,520.
Median Housing
Cost of Living
The cost of living in Mercer County is 11% lower than the U.S. average.Unemployment
In 2023, Mercer County ranked the lowest in the state for unemployment with a rate of only 2.5%.
Health
In 2023, Mercer County ranked 7th out of 88 in Ohio as being one of the healthiest counties, based upon lifestyle, general health and available health care services.
Safety
Please visit www.mercercountysheriffohio.gov for information regarding current crime rates and safety. Mercer County takes pride in its sheriff’s department, police departments and safety service providers.