Henry County, OH borders Defiance near Napoleon metropolitan centre giving a 2020 estimated population standing at 28,065 making it the 31st least populous county located in Ohio overall. Its county seat is Napoleon with other cities include Liberty Center & Hamler-Napoleon itself equates out to Henry's largestcity aside from noted country seat. This area had been created out of Fulton and Defiance Counties back in 1820 when local citizens petitioned for new administrative boundaries - posthumously named after Founding Father Patrick Henry reign region preceding James Monroe .