Overview of Contra Costa County, California (County)

Principal Cities:
San Ramon, Walnut Creek
Cities:
Antioch, Brentwood, Clayton, Concord, El Cerrito, Hercules, Lafayette, Martinez, Oakley, Orinda, Pinole, Pittsburg, Pleasant Hill, Richmond, San Pablo, San Ramon, Walnut Creek
Towns:
Danville, Moraga
Unincorporated Places:
Acalanes Ridge, Alamo, Alhambra Valley, Bay Point, Bayview, Bethel Island, Blackhawk, Byron, Camino Tassajara, Castle Hill, Clyde, Contra Costa Centre, Crockett, Diablo, Discovery Bay, East Richmond Heights, El Sobrante, Kensington, Knightsen, Montalvin Manor, Mountain View, Norris Canyon, North Gate, North Richmond, Pacheco, Port Costa, Reliez Valley, Rodeo, Rollingwood, San Miguel, Saranap, Shell Ridge, Tara Hills, Vine Hill
ZIP Codes:
94505, 94506, 94507, 94509, 94511, 94513, 94514, 94516, 94517, 94518, 94519, 94520, 94521, 94523, 94525, 94526, 94528, 94530, 94531, 94547, 94548, 94549, 94551, 94553, 94556, 94561, 94563, 94564, 94565, 94569, 94572, 94575, 94582, 94583, 94588, 94595, 94596, 94597, 94598, 94611, 94706, 94707, 94708, 94801, 94803, 94804, 94805, 94806, 94850, 95219
Unified School Districts:
Antioch, John Swett, Livermore Valley, Martinez, Mount Diablo, Pittsburg, San Ramon Valley, West Contra Costa
Elementary School Districts:
Brentwood, Byron, Canyon, Knightsen, Lafayette, Moraga, Oakley, Orinda, Walnut Creek
Secondary School Districts:
Acalanes, Liberty
Congressional Districts:
CA-5, CA-9, CA-11, CA-15
State Senate Districts:
CA-3, CA-7, CA-9
Assembly Districts:
CA-11, CA-14, CA-15, CA-16
Neighboring Counties:
Alameda, Marin, Sacramento, San Francisco, San Joaquin, Solano, Sonoma
Nearby Counties:
Napa, San Mateo, Santa Clara, Yolo

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Education