Tonopah is an unincorporated town in and the county seat of Nye County, Nevada, United States. It is located at the junction of U.S. Routes 6 and 95, approximately midway between Las Vegas and Reno. In the 2010 census, the population was 2,478. The census-designated place (CDP) of Tonopah has a total area of 16.2 square miles (42 km2), all land.