Spring Valley NV is a part of Las Vegas located in Clark County, NV. It lies about two miles (three km) west of the Las Vegas Strip and has a population of 178,495 at the 2010 census. Spring Valley was formed on May 1981 however had actually been taking shape around the time of 1946 when it followed construction of U.S Route 91 which became known as “Las Vegas Boulevard South”. About one mile north of Sahara Avenue and Fort Apache Road near where Tropicana Avenue converges today stood John T Jones trading post developed by him back in 19th century.