Spring Valley NV is a part of Las Vegas located in Clark County, NV. 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 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”. John T Jones, a trading post he established in the 19th century, was located one mile north of Sahara Avenue.