San Ramon's population was estimated to be over 75,000 making it the 4th largest city in Contra Costa County, only behind Richmond, Concord and Antioch. San Ramon prides itself on its dedication to the continuous improvement of the quality of life for its residents. With easy access and a full range of services, it is little wonder that San Ramon is one of Contra Costa County's most exciting and progressive cities. Courtesy of Elisa Beltran Walnut Creek Realtor