San Jose, California San Jose, California San Jose (; Spanish for 'Saint Joseph'; ), officially the City of San José, is an economic, cultural and political center of Silicon Valley, and the largest city in Northern California (both in population and area). With an estimated 2017 population of 1,035,317, it is the third-most populous city in California (after Los Angeles and San Diego) and the tenth-most populous in United States. Located in the center of the Santa Clara Valley, on the southern shore of San Francisco Bay, San Jose covers an area of . San Jose is the county seat of Santa Clara
San Gabriel Valley the San Gabriel Valley according to the 2000 Census was 3.28 persons compared with 2.98 persons for Los Angeles County as a whole. Eight cities in the Valley have average household sizes of over 4 persons, while an unincorporated area, the South San Jose Hills, was at a significant 5.07 persons per household. (Most addresses do not use South San Jose Hills as the city but use La Puente, West Covina, or Valinda.) At the other end of this scale is Sierra Madre, at 2.20 persons per household. The age distribution in the San Gabriel Valley was a little unusual