There are 6 US Post Offices in Jackson County serving a total of 13,631 residents equating to 2,272 residents per post office. It's estimated that approximately 21,757 packages are handled across the 6 county post offices annually. Jackson County is a county located in the Commonwealth of Kentucky. As of the 2010 census, the population was 13,494. Its county seat is McKee. The county was formed in 1858 from land given by Madison, Estill, Owsley, Clay, Laurel, and Rockastle counties. It was named for Andrew Jackson, seventh President of the United States. It is a prohibition or dry county. Jackson County is home to the Daniel Boone National Forest."