Sparks is a city in Washoe County, Nevada, United States. It was founded in 1904 and incorporated on March 15, 1905, and is located just east of Reno. The 2010 U.S. Census Bureau population count was 90,264. It is the fifth most populous city in Nevada. It is named after the late Nevada Governor John Sparks, a member of the Silver Party.Sparks is located within the Reno–Sparks metropolitan area.