Contra Costa County

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Contra Costa County, California

651 Pine St 3rd Fl
Martinez, CA 94553
Phone: (925) 335-1080
Fax: (925) 335-1098
www.co.contra-costa.ca.us

On San Pablo Bay, E of San Francisco; original county; organized Feb 18, 1850 (prior to statehood). Name Origin: From Spanish 'opposite coast' designating the coast opposite Marin County, north of San Francisco

Area (sq mi):: 802.15 (land 719.95; water 82.20) Population per square mile: 1413.70
Population 2005: 1,017,787 State rank: 9 Population change: 2000-20005 7.30%; 1990-2000 18.10% Population 2000: 948,816 (White 57.90%; Black or African American 9.40%; Hispanic or Latino 17.70%; Asian 11.00%; Other 14.20%). Foreign born: 19.00%. Median age: 36.40
Income 2000: per capita $30,615; median household $63,675; Population below poverty level: 7.60% Personal per capita income (2000-2003): $44,479-$43,957
Unemployment (2004): 5.40% Unemployment change (from 2000): 2.10% Median travel time to work: 34.40 minutes Working outside county of residence: 42.40%
Cities with population over 10,000:
  • Concord (124,328)
  • Richmond (102,318)
  • Antioch (100,923)
  • Walnut Creek (64,822)
  • Pittsburg (62,600)
  • San Ramon (45,616)
  • Danville (42,199)
  • Martinez County seat (36,305)
  • Pleasant Hill (33,529)
  • San Pablo (31,041)
  • Oakley (26,818)
  • Lafayette (24,665)
  • Hercules (23,425)
  • El Cerrito (23,138)
  • Pinole (19,272)
  • Orinda (18,176)
  • Moraga (16,797)
  • Clayton (11,126)

  • See other counties in .
    References in periodicals archive ?
    Marr and Sanchez were also convicted on charges of conspiring to rig bids at foreclosure auctions in Contra Costa County, California between July 2008 and January 2011.
    A multiagency investigation identified both equipment failure and human error as root causes of a toxic chlorine gas release and resulting exposures at a Contra Costa County, California municipal water park.
    Counties with the biggest jumps in fair-market rents for three-bedroom houses included Sumter County, South Carolina (up 23 percent); Kenosha County, Wisconsin (up 21 percent); Alameda County, California (up 16 percent); Contra Costa County, California (up 16 percent); and Missoula County, Montana (up 15 percent).
    Through b&w vintage postcards, this volume takes readers on a tour of Crockett, in West Contra Costa County, California.
    If you find this argument alarmist, I refer you to Contra Costa County, California.
    Until November 1990, law enforcement agencies throughout Contra Costa County, California, processed information independently.
    Contract Awarded for Richmond inner and outer harbor channel maintenance dredging project, contra costa county, california
    2 percent); and Contra Costa County, California (-13 percent).
    Contract Awarded for Suisun bay channel/new york slough maintenance dredging project, contra costa county, california
    Contract Awarded for Pinole shoal channel maintenance dredging project, contra costa county, california

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