There are 2 US Post Offices in Owsley County serving a total of 5,239 residents equating to 2,620 residents per post office. It's estimated that approximately 8,362 packages are handled across the 2 county post offices annually. Owsley County is a county located in the Eastern Coalfield region of the U.S. state of Kentucky. As of the 2010 census, the population was 4,755, making it the second-least populous county in Kentucky. The county seat is Booneville. The county was organized on January 23, 1843 from Clay, Estill, and Breathitt counties and named for William Owsley (1782\u20131862), the judge of the Kentucky Court of Appeals and Governor of Kentucky (1844\u201348). According to the 2010 census reports, Owsley County has the second highest level of child poverty of any county in the United States. In terms of income per household, the county is the poorest in the nation."