EntityQ2053386· pop 31· linked from 428 articlesDiscovery BaySign in to savecensus-designated place in Contra Costa County, California, United StatesConnectionsSan Mateo CountyEntityUnited States Census BureauEntitycensus-designated place in the United StatesEntityBlackhawkEntityUnited StatesCountryCaliforniaEntitySan FranciscoEntitytime zoneEntitygeographic coordinate systemEntitySan JoseEntityDemocratic Party (United States)ConceptU.S. stateEntityOaklandEntityDaylight saving timeConceptAfrican AmericansEntityWayback MachineEntityBerkeleyEntityPalo AltoEntityMarin CountyEntityCupertinoEntityCategories1964 establishments in CaliforniaCensus-designated places in CaliforniaCensus-designated places in Contra Costa County, CaliforniaPopulated places established in 1964Sacramento–San Joaquin River Delta