Eastvale is a city in northwestern Riverside County, California, in the Inland Empire region of Southern California. The area transitioned from a dairy farm enclave to a developed community starting in the 1990s and was incorporated on October 1, 2010. As of the 2020 census, the city had a population of 69,757. The city's name is derived from "East Vale" as a listed school district in 1893 by the Riverside County Board of Commissioners.