Goleta is a city in southern Santa Barbara County, California, United States. It was incorporated as a city in 2002, after a long period as the largest unincorporated populated area in the county. As of the 2000 census, the census-designated place (CDP) had a total population of 55,204. A significant portion of the census territory of 2000 was not included in the city. The population of Goleta was 32,690 at the 2020 census. It is known for being close to the campus of the University of California, Santa Barbara.