Sierra Vista is a populated place LOCATED WITHIN the City of Arvada. In turn, the City of Arvada is located within Jefferson County.
Sierra Vista is located at latitude 39.836 and longitude -105.113.
Since Sierra Vista is located within the City of Arvada, all of the census and demographic data for residents of Sierra Vista are included as part of the information reported for City of Arvada in the "Profile" tab above.