Eastvale is a city located in northwestern Riverside County, California, 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 formally incorporated on October 1, 2010. As of the 2010 census it had a population of 53,901 and in 2019 the population was estimated at 64,147. The city's name is derived from "East Vale" as a listed school district in 1893 by the Riverside County Board of Commissioners.