There are 5 US Post Offices in Taylor County serving a total of 14,754 residents equating to 2,951 residents per post office. It's estimated that approximately 23,549 packages are handled across the 5 county post offices annually. Taylor County is a county located in the U.S. state of West Virginia. As of the 2010 census, the population was 16,895. Its county seat is Grafton. The county was formed in 1844. and named for Senator John Taylor of Caroline Taylor County is part of the Clarksburg, WV Micropolitan Statistical Area.