Fairfax is an unincorporated community and census-designated place (CDP) in Kern County, California. The CDP is within the Bakersfield's census county division, and borders the city of Bakersfield to the west and East Niles, California to the north.
As listed in the Geographic Names Information System, its elevation is 413 feet.
Its population was 1,879 at the 2020 census, the first census it was included in.
Fairfax first appeared as a census designated place in the 2020 U.S. census.