List of towns and cities in Contra Costa County, California

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Cities and Towns in the United States > State California > Contra Costa County
Contra Costa County, located in the San Francisco Bay Area of California, is known for its picturesque landscapes and diverse cultural attractions. Home to the Mount Diablo State Park, outdoor enthusiasts enjoy hiking and biking along the many scenic trails. Additionally, the county offers a rich history with attractions such as the John Muir National Historic Site, commemorating the influential environmentalist. Art and history enthusiasts can visit the Richmond Art Center and the Blackhawk Museum, which showcase a range of artistic and historical exhibits. With its blend of natural beauty and cultural offerings, Contra Costa County provides an enriching experience for residents and visitors alike.

Contra Costa County (CA) Statistics

Number of cities/towns/villages19
Population1147439 people
Area802 sq mi
Density1431 /sq mi
Altitude56 ft
GDP$95 billion
Median Household Income$100484
Poverty rate7%
Unemployment rate3%
Educational Attainment (Bachelor's Degree or higher)41%
Crime rate2627 crimes per 100000 people

Environmental risk in Contra Costa County, CA

Overall riskVery High
Expected Annual LossVery High
Social VulnerabilityRelatively Moderate
Community ResilienceRelatively High
Avalanche RiskNot Applicable
Coastal Flooding RiskRelatively Low
Cold Wave RiskNo Rating
Drought RiskRelatively High
Earthquake RiskVery High
Hail RiskVery Low
Heat Wave RiskRelatively High
Hurricane RiskNot Applicable
Ice Storm RiskNot Applicable
Landslide RiskRelatively Moderate
Lightning RiskRelatively Moderate
Riverine Flooding RiskRelatively High
Strong Wind RiskVery Low
Tornado RiskRelatively Low
Tsunami RiskRelatively Moderate
Volcanic Activity RiskNot Applicable
Wildfire RiskRelatively Moderate
Winter Weather RiskVery Low

Data obtained from the FEMA National Risk Index.

Contra Costa County administration contact details

Contra Costa County administration contact details651 Pine Street, Martinez, CA 94553
County seatMartinez
Phone number(925) 655-2300
Official websitehttps://www.contracosta.ca.gov/
County clerkDebi Cooper
County auditorBob Campbell
County fiscal officerBob Campbell
County permits office or building department contact details(925) 674-7200
Search a city in the County of Contra Costa

Get the contact information for all cities and towns in this county. Find general information, official websites, email, phone numbers, addresses, and much more.

Find below the complete list of cities and towns in Contra Costa County:

  • CONCORD

    Concord is a City in Contra Costa county with -150 000 inhabitants.

  • RICHMOND

    Richmond is a City in Contra Costa county with -150 000 inhabitants.

  • ANTIOCH

    Antioch is a City in Contra Costa county with -150 000 inhabitants.

  • SAN RAMON

    San Ramon is a City in Contra Costa county with -75 000 inhabitants.

  • WALNUT CREEK

    Walnut Creek is a City in Contra Costa county with -75 000 inhabitants.

  • PITTSBURG

    Pittsburg is a City in Contra Costa county with -75 000 inhabitants.

  • BRENTWOOD

    Brentwood is a City in Contra Costa county with -75 000 inhabitants.

  • DANVILLE

    Danville is a Town in Contra Costa county with -50 000 inhabitants.

  • MARTINEZ

    Martinez is a City in Contra Costa county with -40 000 inhabitants.

  • OAKLEY

    Oakley is a City in Contra Costa county with -40 000 inhabitants.

  • PLEASANT HILL

    Pleasant Hill is a City in Contra Costa county with -40 000 inhabitants.

  • SAN PABLO

    San Pablo is a City in Contra Costa county with -30 000 inhabitants.

  • HERCULES

    Hercules is a City in Contra Costa county with -30 000 inhabitants.

  • LAFAYETTE

    Lafayette is a City in Contra Costa county with -30 000 inhabitants.

  • EL CERRITO

    El Cerrito is a City in Contra Costa county with -30 000 inhabitants.

  • PINOLE

    Pinole is a City in Contra Costa county with -20 000 inhabitants.

  • ORINDA

    Orinda is a City in Contra Costa county with -20 000 inhabitants.

  • MORAGA

    Moraga is a Town in Contra Costa county with -20 000 inhabitants.

  • CLAYTON

    Clayton is a City in Contra Costa county with -15 000 inhabitants.

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