Marin County, CA
Demographic and economic profile of Marin County, CA, sourced from the US Census Bureau (American Community Survey) via Data USA.
AI Overview
Marin County is a small, high-income county of 258,765 residents with a median household income of $149,091 and GDP per capita of $114,586, reflecting a knowledge-oriented economy concentrated in professional and personal services. The workforce skews older (median age 47.4) and highly educated, with 60.5% holding a bachelor's degree or higher, though labor force participation is a relatively modest 62.7% and unemployment sits at 6.1%. Housing costs are among the highest in the region at a median home value of $1,390,000 and median rent of $2,584/month, and the county's population has contracted slightly by 0.6% over five years.
Claude Sonnet 4.6 · generated Jul 6, 2026 · derived from cached Census, BEA & ACS data on this page
Population Growth (5-year)
-0.6% since 2018
Marin County lost population at this rate over the prior 5-year ACS5 window.
Demographics
Race & Ethnicity
- White Alone174,615 (67.7%)
- Some Other Race Alone27,605 (10.7%)
- Two Races Including Some Other Race18,550 (7.2%)
- Asian Alone16,031 (6.2%)
- Two Races Excluding Some Other Race, & Three or More Races13,192 (5.1%)
- Black or African American Alone5,670 (2.2%)
Top Languages Spoken at Home
- 1.Spanish32,885
- 2.Other Indo-European7,369
- 3.Chinese (incl. Mandarin, Cantonese)2,636
- 4.German or other West Germanic2,582
- 5.Other Asian and Pacific Island2,123
Economy
Cost of Living Index
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Not yet cached
Top Industries
- 1.Professional, Scientific, & Management, & Administrative & Waste Management Services27,826
- 2.Educational Services, & Health Care & Social Assistance26,623
- 3.Retail Trade (Group)11,738
- 4.Finance & Insurance, & Real Estate & Rental & Leasing11,331
- 5.Arts, Entertainment, & Recreation, & Accommodation & Food Services9,866
Top Occupations
- 1.Management, Business, Science, & Arts Occupations72,706
- 2.Sales & Office Occupations22,676
- 3.Service Occupations17,804
- 4.Natural Resources, Construction, & Maintenance Occupations6,519
- 5.Production, Transportation, & Material Moving Occupations5,823
Specialized Industries (Location Quotient)
- 1.Information (LQ 2.29×)5,432
- 2.Professional, Scientific, & Management (LQ 1.77×)27,681
- 3.Finance, Insurance, & Real Estate (LQ 1.32×)11,136
- 4.Other Services (LQ 1.15×)6,865
- 5.Arts, Entertainment, Recreation, & Accommodation (LQ 0.95×)10,531
Housing
Education
Workforce
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More on FDI Connect
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Data: US Census Bureau American Community Survey, served via Data USA and the Census Bureau API. See each metric tile for the specific dataset.