Fair Oaks is in Sacramento County, California. It is part of the Sacramento–Arden-Arcade–Roseville Metropolitan Area. The population was 30,912 at the 2010 census, up from 28,008 at the 2000 census. The Fair Oaks zip code is 95628 and its area code is 916. Fair Oaks is bounded on the south side by the American River, and Rancho Cordova, on the north side by the city of Citrus Heights, on the west side by Carmichael, and the east side by Orangevale. Fair Oaks is known for its mix of suburban and semi-rural neighborhoods.
The town center of Fair Oaks is called Old Fair Oaks Village. The Veterans Memorial Amphitheater is located in this part of town. The Fair Oaks Theater Festival takes place here. The village area also hosts the Fair Oaks Fiesta and Car Show, which is co-produced by the Chamber of Commerce each May. The annual Fair Oaks Chicken Festival takes place there in September.
There were 11,203 households out of which 29.6% had children under the age of 18 living with them, 56.4% were married couples living together, 9.8% had a female householder with no husband present, and 30.0% were non-families. 23.5% of all households were made up of individuals and 6.5% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.91.
In the CDP the population was spread out with 22.8% under the age of 18, 6.8% from 18 to 24, 26.8% from 25 to 44, 29.9% from 45 to 64, and 13.8% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 96.8 males. For every 100 females age 18 and over, there were 93.3 males.
The median income for a household in the CDP was $63,252, and the median income for a family was $74,864, these figures had risen to $72,636 and $88,630 respectively as of a 2007 estimate. Males had a median income of $52,365 versus $39,138 for females. The per capita income for the CDP was $31,874. About 4.6% of families and 6.5% of the population were below the poverty line, including 9.2% of those under age 18 and 2.2% of those age 65 or over.