Contra Costa County

Contra Costa County offers diverse communities, vibrant downtowns, and natural beauty.

Overview for Contra Costa County, CA

1,156,161 people live in Contra Costa County, where the median age is 39.9 years and the per capita income is $56,264. Data provided by the U.S. Census Bureau.
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1,156,161

Total Population

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39.9 Years

Median Age
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Medium

Density
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$56,264

Average Individual Income

Welcome to Contra Costa County

A diverse region of suburban communities, rolling hills, and a blend of urban access with natural beauty.

Nestled in the East Bay, Contra Costa County offers a dynamic mix of family-friendly suburbs, bustling commercial centers, and outdoor escapes. Residents enjoy access to hiking trails in Mount Diablo State Park, vibrant downtowns like Walnut Creek and Concord, and convenient BART transit to San Francisco. With excellent schools, diverse communities, and scenic neighborhoods, Contra Costa blends comfort and opportunity in the heart of Northern California.

What to love

  • Expansive hiking and biking trails with stunning views of Mount Diablo and Briones Regional Park

  • Walkable downtowns with a mix of local boutiques, cafés, and upscale shopping

  • Family-friendly neighborhoods with top-rated schools and safe, tree-lined streets

  • Diverse culinary scene—from organic farmers’ markets to vibrant global cuisine

  • A rich cultural calendar, including art festivals, outdoor concerts, and community events

local Lifestyle

Contra Costa County residents enjoy a seamless blend of suburban convenience and outdoor adventure. Weekends might include strolling downtown Walnut Creek, hiking Mount Diablo’s scenic trails, exploring art galleries in Lafayette, or catching a farmers' market in Pleasant Hill. The area offers a balanced pace of life that caters to both families and professionals seeking community and calm.

From morning coffee runs at local cafés to community events like outdoor movie nights, Contra Costa life is grounded in connection and ease. Locals often gather at parks, trails, and neighborhood festivals—whether to celebrate culture, support small businesses, or enjoy live music. With a strong school system, diverse neighborhoods, and ample recreation, the region appeals to those looking for both enrichment and relaxation.

At the heart of it all is a deep appreciation for balance—balancing work and wellness, convenience and charm. Residents value clean, safe neighborhoods, locally owned shops, and scenic escapes just minutes from their doorstep. Whether raising a family, growing a business, or enjoying semi-retirement, life in Contra Costa offers room to breathe and space to thrive.

Dining, Entertainment, & Shopping

Contra Costa County offers an exciting blend of suburban charm and metropolitan flair. From locally owned cafés in Lafayette to fine dining in Walnut Creek and waterfront eateries in Martinez, there's something to satisfy every craving. You’ll find everything from global fusion cuisine and farm-to-table bistros to craft breweries and cozy wine bars.

Retail therapy is never far away—Broadway Plaza in Walnut Creek features luxury and designer brands, while downtown areas across the county offer unique boutiques, art galleries, and pop-up markets. Entertainment thrives through community theaters, indie cinemas, and outdoor concerts that light up town squares during warmer months.

Whether you're grabbing brunch with friends, browsing artisan crafts, or enjoying a summer jazz festival, Contra Costa’s downtowns invite you to linger and explore.

Things to Do

  • Stroll scenic trails at Mount Diablo State Park or Briones Regional Park for panoramic views and peaceful nature escapes

  • Paddleboard, kayak, or relax by the waterfront at the Martinez Marina or along the Carquinez Strait

  • Explore downtown Walnut Creek’s vibrant arts scene, with museums, theaters, and live performances

  • Visit farmers’ markets in cities like Pleasant Hill and Orinda for local produce, food trucks, and handmade goods

  • Enjoy family-friendly outings at the Lindsay Wildlife Experience or Ruth Bancroft Garden

Schools

Contra Costa County is dedicated to educational excellence, with top-performing public schools, a range of private institutions, and strong community support. The county's schools consistently score above the state average in core academic areas, especially math and English language arts.

Education in Contra Costa County is shaped by:

  • A strong emphasis on college preparation, advanced placement (AP), and career-focused programs

  • Highly rated public school districts such as San Ramon Valley, Acalanes Union, and Walnut Creek

  • Significant investment in educational infrastructure and competitive teacher salaries

  • Diverse learning environments that support special education, gifted students, and English language learners

  • A wide selection of charter and magnet programs that offer alternative teaching approaches

  • Safe campuses with active parent participation and community partnerships

Families are drawn to Contra Costa for its blend of academic rigor and community values, making it a great place to raise and educate children.

Demographics and Employment Data for Contra Costa County, CA

Population Overview – Contra Costa County

According to the U.S. Census Bureau, Contra Costa County is home to approximately 1,156,161 people. The population density is about 1,658 people per square mile. The largest age group is between 25 and 64 years old, and the median age is 39.9.

  • Total Population: 1,156,161
  • Population Density: 1,658/sq mi
  • Median Age: 39.9
  • Largest Age Group: 25–64 years
Population by Age Group
0–9 Years
10–17 Years
18–24 Years
25–64 Years
65+ Years
Education Level
Less than 9th Grade High School or Some HS Some College or Higher

Household Data – Contra Costa County

Contra Costa County has approximately 408,313 households, with an average household size of 2.7. Data provided by the U.S. Census Bureau.

  • Total Households: 408,313
  • Average Household Size: 2.7
  • Average Household Income: $122,651
Households with Children
With Children: ~33% Without Children: ~67%
Marital Status
Married – 49%
Single – 31%
Divorced – 11%
Widowed – 9%

Employment & Economy – Contra Costa County

Data provided by the U.S. Census Bureau. Here's what the workforce in Contra Costa County looks like — and how long it takes them to commute.

  • Employment Rate: ~62%
  • Unemployment Rate: ~3.8%
  • Median Household Income: $122,651
  • Top Industries: Healthcare, Education, Tech, Government, Construction
Blue vs White Collar Workers
Blue Collar: 27% White Collar: 73%
Commute Time
0–14 Minutes – 17%
15–29 Minutes – 30%
30–59 Minutes – 37%
60+ Minutes – 16%

Schools in Contra Costa County, CA

Greenbrook Elementary School

1475 Harlan Dr, Danville, CA 94526

Type: Public | Grades: K–5

★★★★☆ 4.0/5

Tassajara Hills Elementary School

4675 Camino Tassajara Rd, Danville, CA 94506

Type: Public | Grades: K–5

★★★★★ 5.0/5

Montevideo Elementary School

13000 Broadmoor Dr, San Ramon, CA 94583

Type: Public | Grades: K–5

★★★★☆ 4.2/5

Creekside Elementary School

6011 Massara St, Danville, CA 94506

Type: Public | Grades: K–5

★★★★☆ 4.3/5

Golden View Elementary School

5025 Canyon Crest Dr, San Ramon, CA 94582

Type: Public | Grades: K–5

★★★★★ 5.0/5

Diablo Vista Middle School

4100 Camino Tassajara, Danville, CA 94506

Type: Public | Grades: 6–8

★★★★☆ 4.1/5

Pine Valley Middle School

3000 Pine Valley Rd, San Ramon, CA 94583

Type: Public | Grades: 6–8

★★★★☆ 4.4/5

Iron Horse Middle School

12601 Alcosta Blvd, San Ramon, CA 94583

Type: Public | Grades: 6–8

★★★★☆ 4.3/5

Joaquin Moraga Intermediate School

1010 Camino Pablo, Moraga, CA 94556

Type: Public | Grades: 6–8

★★★★★ 5.0/5

Orinda Intermediate School

80 Ivy Dr, Orinda, CA 94563

Type: Public | Grades: 6–8

★★★★☆ 4.0/5

Campolindo High School

300 Moraga Rd, Moraga, CA 94556

Type: Public | Grades: 9–12

★★★★★ 5.0/5

Miramonte High School

750 Moraga Way, Orinda, CA 94563

Type: Public | Grades: 9–12

★★★★★ 5.0/5

Monte Vista High School

3131 Stone Valley Rd, Danville, CA 94526

Type: Public | Grades: 9–12

★★★★☆ 4.4/5

Dougherty Valley High School

10550 Albion Rd, San Ramon, CA 94582

Type: Public | Grades: 9–12

★★★★☆ 4.2/5

Middle College High School

2600 Mission Bell Dr, San Pablo, CA 94806

Type: Public | Grades: 9–12

★★★★☆ 4.5/5

Diablo Valley College

321 Golf Club Rd, Pleasant Hill, CA 94523

Type: Community College

★★★★☆ 4.3/5

Los Medanos College

2700 E Leland Rd, Pittsburg, CA 94565

Type: Community College

★★★★☆ 4.2/5

Contra Costa College

2600 Mission Bell Dr, San Pablo, CA 94806

Type: Community College

★★★★★ 5.0/5

Saint Mary's College of California

1928 St Marys Rd, Moraga, CA 94575

Type: Private College

★★★★☆ 4.6/5

Small, white, single-story house with blue window frames and a screened door, surrounded by lush greenery, colorful flowers, and garden beds, with trees in the background.

2880 Vaca Valley Road, Vacaville, CA 95688