Overview for Marin County, CA

258,826 people live in Marin County, where the median age is 47.4 years and the per capita income is $77,753. Data provided by the U.S. Census Bureau.

258,826

Total Population

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47.4 Years

Median Age

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Medium

Density

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$77,753

Average Individual Income

Welcome to Marin County

A coastal gem blending natural beauty, wellness-focused living, and sophisticated charm

Marin County stretches from the iconic Golden Gate Bridge to the scenic Point Reyes shoreline. The area is cherished for its redwood forests, rolling hills, and ocean vistas. It's a community deeply rooted in sustainability, creativity, and outdoor activity—offering an escape from city life while still remaining deeply connected to the Bay Area economy.

What to love

Coastal views and redwood trails for hiking, biking, and nature immersion
Laid-back coastal lifestyle just minutes from San Francisco
Eco-conscious, wellness-driven community
Upscale boutiques, artisan food, and organic farmers’ markets

local Lifestyle

Marin locals embrace a healthy, balanced lifestyle enriched by access to open space preserves, organic markets, and cultural centers. From yoga on the beach to sailing in the bay, life here is about connection—to nature, to neighbors, and to personal well-being. With a focus on sustainability and community-led growth, Marin offers a slower pace with high living standards. Weekends might include artisan coffee in Mill Valley, a stroll through Fairfax’s local music scene, or gallery hopping in Sausalito.

Marin County’s neighborhoods—from the artsy enclaves of Fairfax to the waterfront serenity of Tiburon—offer diverse but complementary lifestyles. Residents prioritize wellness and creativity, often seen gathering at weekend farmers’ markets, community yoga studios, or volunteering for environmental causes. The county’s walkable town centers and scenic byways encourage both social connection and peaceful retreat.

For those seeking balance between career and quality of life, Marin delivers. Many professionals work remotely or commute to San Francisco, enjoying the rare luxury of urban proximity with suburban peace. With top-rated schools, clean air, and abundant green space, Marin’s lifestyle caters equally to growing families, retirees, and young professionals looking to escape the city rush.

Dining, Entertainment, & Shopping

Marin County’s culinary scene is rooted in organic, locally-sourced excellence. From farm-to-table cafes in San Anselmo to award-winning restaurants in Larkspur, foodies find plenty to love. Marin also boasts cozy bookstores, art studios, handmade fashion shops, and open-air farmers' markets. The area’s small towns each offer unique flair—whether it's Bolinas' bohemian vibe or Tiburon’s upscale charm. Cultural events, live music, and outdoor art fairs dot the calendar, offering something for every lifestyle.

In addition to its vibrant culinary and shopping culture, Marin also thrives on community-driven events and local traditions. Seasonal festivals like the Mill Valley Film Festival and Marin County Fair celebrate creativity, diversity, and regional talent. Local vineyards and tasting rooms host intimate concerts, while town plazas transform into art walks or open-air movie nights—offering enrichment for every age and interest.

Things to Do

Hike Mount Tamalpais or stroll Muir Woods’ redwood paths
Take the ferry to San Francisco or paddleboard at Sausalito Marina
Explore Point Reyes National Seashore and spot elephant seals
Bike along the scenic Mill Valley–Sausalito Path
Visit Marin Country Mart for boutique shopping and weekend events

Schools

Marin County is consistently ranked as one of the best counties in California for education, with top-performing public schools, specialized academies, and strong support for the arts and STEM. The county’s wealth of resources enables schools to maintain small class sizes, competitive teacher salaries, and innovative learning environments.

Education in Marin County is shaped by:

Consistently top-ranked districts, including Tamalpais Union and Ross Valley
Highly rated public and private schools with strong academic records
Innovative STEAM and arts-based learning models
College prep-focused high schools with high graduation and college admission rates
Emphasis on wellness, emotional intelligence, and inclusive education

Families benefit from the county’s commitment to excellence, making Marin a sought-after place for raising children in a safe, enriching, and academically rigorous environment.

Demographics and Employment Data for Marin County, CA

Population Overview - Marin County

According to the U.S. Census Bureau, Marin County is home to approximately 262,231 people. The population density is about 500 people per square mile. The largest age group is between 45 and 64 years old, and the median age is 47.4.