Alameda County is a county in the U.S. state of California. It occupies most of the East Bay region of the San Francisco Bay Area. As of the 2000 census it had a population of 1,443,741, making it the 7th largest county in the state.

 

Incorporated and unincorporated cities include: Alameda, Albany, Berkeley, Dublin, Emeryville, Fremont, Hayward, Livermore, Newark, Oakland, Piedmont, Pleasanton, San Leandro, Union City, Ashland, Castro Valley, Cherryland, Fairview, Sunol, and San Lorenzo