Rancho Cordova is a city in Sacramento County, California, United States. Incorporated in 2003, it is part of the Sacramento Metropolitan Area. …Rancho Cordova is a city in Sacramento County, California, United States. Incorporated in 2003, it is part of the Sacramento Metropolitan Area. The population was 79,332 at the 2020 census. In 2010 and 2019, Rancho Cordova received the All-America City Award.