Fairview is a census-designated place (CDP) in Alameda County, California, United States.

It borders on the city of Hayward and the census-designated place of Castro Valley.

The 2010 United States Census[8] reported that 10,003 people, 3,490 households, and 2,512 families resided in the CDP.

The racial makeup of the CDP was 45.0% White (36.2% non-Hispanic), 21.0% African American (20.5% non-Hispanic), 0.8% Native American, 15.2% Asian, 1.3% Pacific Islander, 9.1% from other races, and 7.6% from two or more races.

20.2% of households were made up of individuals, and 6.8% had someone living alone who was 65 years of age or older.

There were 3,351 housing units at an average density of 1,210.6 per square mile (467.4/km2).

18.0% of all households were made up of individuals, and 6.0% had someone living alone who was 65 years of age or older.

It is an independent special fire district in Alameda County, contracting with Hayward for emergency medical and other services, and has a fire station on Five Canyons Parkway.