There are 4 US Post Offices in Boyle County serving a total of 29,293 residents equating to 7,323 residents per post office. It's estimated that approximately 46,755 packages are handled across the 4 county post offices annually. Boyle County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 28,432. Its county seat is Danville. The county was formed in 1842 and named for John Boyle (1774\u20131835), a U.S. Representative, chief justice of the Kentucky Court of Appeals and later federal judge for the District of Kentucky. Boyle County is part of the Danville, KY Micropolitan Statistical Area."