West Union, incorporated July 20, 1881, is a town in Doddridge County, West Virginia, USA. The population was 825 at the 2010 census. It is the county seat of Doddridge County. The mayor is Joseph Thorpe as of 2013. The town is located along Middle Island Creek at the junction of U.S. Route 50 and West Virginia Route 18; the North Bend Rail Trail also passes through the town.