Contra Costa County
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- Population
- 1,165,012
- Area
- 716.9 sq mi (1,856.75 km²), 87.01 sq mi water
- Median age
- 40.5
- Households
- 414,417
- Persons per household
- 2.8
- Median household income
- $127,229
- Median house value
- $866,800
Demographics: 2020–2024 ACS
Cities & Towns in Contra Costa County
Local News
Richmondside
Published September 11Pinole’s Ristorante Due Rose announces final days, Sweet Potatoes Up Beet Cafe shuts down and more closures
Pinole’s Ristorante Due Rose announces final days, Sweet Potatoes Up Beet Cafe shuts down and more closures A running list of restaurants that have recently closed in Berkeley, Oakland, Richmond, and beyond.
Richmondside
Published September 11Students are suffering in sweltering classrooms, WCCUSD teachers say
Students are suffering in sweltering classrooms, WCCUSD teachers say Teachers say classroom temperatures reached 80 degrees or higher during the recent heat wave. A survey found that 24 schools need upgrades to keep the temperatures under 76 degrees.
Richmondside
Published September 115 things to know — CalKIDS launches Scholarship Month, mayoral debates, transit forum
5 things to know — CalKIDS launches Scholarship Month, mayoral debates, transit forum Also: Two debates are set for Richmond's mayoral candidates; a West County Forum luncheon tackles AC Transit and BART issues; the local food bank receives $50,000.
Contra Costa County Government
Published September 11Update on Board of Supervisors Meeting
The meeting will be accessible in person, via television, and live streaming to all members of the public.
Contra Costa County Government
Published September 11Treasury Oversight Committee Meeting
Treasury Oversight Committee Meeting Tuesday, September 15, 2026