East San Jose 1911. The 1910 US Census recorded a population of 1,661. Before World War II, East San Jose was a small section of San Jose located on the east banks of the Guadalupe River and west of today's U.S. Route 101. After World War II, the area saw rapid development, along with much of the Santa Clara Valley. East San Jose East San Jose (or East Valley or The Eastside) is the eastern San Jose, California in Silicon Valley, comprising several neighborhoods and including a former city of that name. The area is bounded roughly by Berryessa Rd to the north,
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