Sparks is a city in Washoe County, Nevada, United States. It was founded in 1904, incorporated on March 15, 1905, and is located just east of Reno. As of the 2020 census, Sparks had a population of 108,445. It is the fifth most populous city in Nevada. It is named after John Sparks, Nevada governor (1903–1908), and a member of the Silver Party.