Henry County is a county located on the northwestern border of the U.S. state of Tennessee. As of the 2010 census, the population was 32,330. Its county seat is Paris. The county is named for the Virginia orator Patrick Henry.Henry County comprises the Paris, TN Micropolitan Statistical Area.GeographyAccording to the U.S. Census Bureau, the county has a total area of, of which is land and (5.3%) is water.Adjacent countiesCalloway County, Kentucky (north)Stewart County (northeast)Benton County (southeast)Carroll County (south)Weakley County (west)Graves County, Kentucky (northwest)National protected areaTennessee National Wildlife Refuge (part)State protected areasBig Sandy Wildlife Management Area Holly Fork Wildlife Management AreaParis Landing State ParkWest Sandy Wildlife Management Area