There are 5 US Post Offices in Henry County serving a total of 19,430 residents equating to 3,886 residents per post office. It's estimated that approximately 31,012 packages are handled across the 5 county post offices annually. Henry County is a county of the U.S. state of Alabama. As of the 2010 census, its population was 17,302. Its county seat is Abbeville. Its name is in honor of Patrick Henry (1736\u20131799), famous orator and Governor of Virginia. Henry County is part of the Dothan, AL Metropolitan Statistical Area."