There are 10 US Post Offices in Brown County serving a total of 38,254 residents equating to 3,825 residents per post office. It's estimated that approximately 61,058 packages are handled across the 10 county post offices annually. Brown County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 44,846. The county seat is Georgetown. The county was created in 1818 and is named for Major General Jacob Brown, an officer in the War of 1812 who was wounded at the Battle of Lundy's Lane. Brown County is part of the Cincinnati, OH-KY-IN Metropolitan Statistical Area."