There are 13 US Post Offices in Lincoln County serving a total of 24,228 residents equating to 1,864 residents per post office. It's estimated that approximately 38,671 packages are handled across the 13 county post offices annually. Lincoln County is a county located in the U.S. state of West Virginia. As of the 2010 census, the population was 21,720. Its county seat is Hamlin. The county was created in 1867 and named for Abraham Lincoln. Lincoln County is part of the Huntington-Ashland, WV-KY-OH, Metropolitan Statistical Area, which is also included in the Charleston-Huntington-Ashland, WV-OH-KY Combined Statistical Area. The county is probably best known as the birthplace of Chuck Yeager."