Los Olivos is an unincorporated community in the Santa Ynez Valley of Santa Barbara County, California, United States. Tourism is popular in this rural area which is an agricultural region with an emphasis on wine grapes. For statistical purposes, the United States Census Bureau has defined Los Olivos as a census-designated place. The population was 1,132 at the 2010 census. The ZIP Code is 93441, and the community is within the area code 805.