There are 40 US Post Offices in Raleigh County serving a total of 107,380 residents equating to 2,685 residents per post office. It's estimated that approximately 171,390 packages are handled across the 40 county post offices annually. Raleigh County is a county located in the U.S. state of West Virginia. As of the 2010 census, the population was 78,859. Its county seat is Beckley. The county was founded in 1850 and is named for Sir Walter Raleigh. Raleigh County is included in the Beckley, West Virginia Metropolitan Statistical Area."