There are 4 US Post Offices in Bath County serving a total of 12,008 residents equating to 3,002 residents per post office. It's estimated that approximately 19,166 packages are handled across the 4 county post offices annually. Bath County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 11,591. The county seat is Owingsville. The county was formed in 1811. Bath County is included in the Mount Sterling, KY Micropolitan Statistical Area, which is also included in the Lexington-Fayette-Richmond-Frankfort, KY Combined Statistical Area."