Fernley is a city in Lyon County, Nevada, United States, and part of the Reno–Tahoe–Sparks metropolitan area CSA. The city was incorporated in 2001. The population of the city was 22,895 at the 2020 census, making it the 7th most populous city in Nevada. Fernley was home to the historic and one of the first Amazon.com centers in the world, which has since relocated within the metro area. Naval Air Station, the U.S. Navy's Naval Strike and Air Warfare Center& TOPGUN training program since 1996, was moved nearby, to Fallon, from Naval Air Station Miramar.