The county was formed on March 25, 1853, from a large portion of Contra Costa County and a smaller portion of
The … See more

The Government of Alameda County is defined and authorized under the California Constitution, California law, and the Charter of the County of Alameda. Much of the Government of California is in practice the responsibili… See more

According to the U.S. Census Bureau, the county has a total area of 821 square miles (2,130 km ), of which 739 square miles (1,910 km ) is land and 82 square miles (210 km ) (10%) is water. The San Francisco … See more

Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race.
A 2014 ana… See more

The Alameda County Office of Education oversees seventeen K–12 school districts and one K–8 district in Alameda County. In all, there are approximately 10,000 teachers serving 225,000 students. The ACOE als… See more

The Alameda County Arts Commission, a division of the county administration, under the California Arts Council, was created in 1965. Its fifteen appointed members act in an advisory capacity to the board of supervisors… See more

The annual county fair is held at the Alameda County Fairgrounds in Pleasanton. The fair runs for four weekends from June to July. Attractions include horse racing, carnival rides, 4-H exhibits, and live bands. See more