Rancho San Diego, California Rancho San Diego, California Rancho San Diego is a census-designated place (CDP) in San Diego County, California. The population was 21,208 at the 2010 census, up from 20,155 at the 2000 census. The area was developed as subdivisions beginning in the 1970s. Rancho San Diego is located at (32.765985, -116.921477). According to the United States Census Bureau, the CDP has a total area of , all land. The chance of earthquake damage in Rancho San Diego is much lower than California average and is much higher than the national average. The risk of tornado damage in Rancho San Diego is
University of California, San Diego San Diego Medical Center, university affiliated research centers, nearby apartment complexes and shopping centers in University City, and the Sorrento Valley train station. As part of a greater initiative to reduce the university's impact on the environment, a portion of the shuttle fleet has been refitted to exclusively use biodiesel fuel derived from vegetable oil. UCSD also reserves parking spaces for carpools, maintains a fleet of on-campus Zipcars, and provides free bike rentals. The San Diego Association of Governments and the Metropolitan Transit System are planning to bring San Diego Trolley service to the local area. The project will extend