Fairbanks Ranch is a census-designated place in San Diego County, California, United States. The population was 2,244 at the 2000 census. The entire population is contained within two gated communities, divided into North and South sections by the formerly private San Dieguito Road. It is commonly considered to be part of the Rancho Santa Fe area within San Diego County, and is even included within the proposed boundaries for the city of Rancho Santa Fe. Fairbanks Ranch apartments for rent comparison page shows most up to date rent information on Fairbanks Ranch apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.