Home›Census-designated places in California›明礬岩🌐中文EnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeفارسی中文EntityQ3461009· pop 26· linked from 373 articles明礬岩Also known as Alum Rock, Californiacensus-designated place in Santa Clara County, CaliforniaWikidata factsPopulation12042Area3.11946Elevation151Households2808Dialing code408Show 4 more factsnative labelAlum Rockwater as percent of area0water area0per capita income28605Sources (6)wikidata.orggeonames.usgs.govOn the mapAvailable in 26 languagesEspañolFrançais中文PortuguêsItalianoazbBasqueCatalanCebuanoChechenCroatianConnectionsSan Mateo CountyEntityUnited States Census BureauEntityCategoriesCensus-designated places in CaliforniaCensus-designated places in Santa Clara County, California