🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiSvenskaTürkçeفارسی中文EntityQ3470840· pop 22· linked from 149 articlesBlackhawkAlso known as Blackhawk, CAcensus-designated place in Contra Costa County, California, United StatesWikidata factsImageBlackhawk Plaza.jpgDialing code925Sources (8)wikidata.orggeonames.usgs.goven.wikipedia.orgen.wikipedia.orgdata.census.govdata.census.govOn the mapAvailable in 21 languagesEspañolFrançais中文ItalianoazbBasqueCebuanoChechenCroatianGilakiConnectionsrace and ethnicity in the United States CensusEntitySan Mateo CountyEntityCategoriesCensus-designated places in CaliforniaCensus-designated places in Contra Costa County, CaliforniaUnincorporated communities in CaliforniaUnincorporated communities in Contra Costa County, California