
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.
1,156,161
Total Population
39.9 Years
Median Age
Medium
Density
$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
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
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
Schools in Contra Costa County, CA
Tassajara Hills Elementary School
4675 Camino Tassajara Rd, Danville, CA 94506
Type: Public | Grades: K–5
California State University, East Bay
25800 Carlos Bee Blvd, Hayward, CA 94542
Type: Public University