Spring Valley NV, a part Las Vegas, is located in Clark County. It is located approximately two miles (three kilometers) west of Las Vegas Strip. The 2010 census recorded a population of 178 495. Spring Valley was established in May 1981, but it had been developing since 1946, when it was created by U.S Route 91. This 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.