county

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

256,400

Data USA · as of 2024

Median Household Income

$149,091

Data USA · as of 2024

Median Age

47.4 yrs

Data USA · as of 2024

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%)

Data USA · as of 2024

Top Languages Spoken at Home

  1. 1.Spanish32,885
  2. 2.Other Indo-European7,369
  3. 3.Chinese (incl. Mandarin, Cantonese)2,636
  4. 4.German or other West Germanic2,582
  5. 5.Other Asian and Pacific Island2,123

Census ACS · as of 2023

Population Under 18

19.7%

Census ACS · as of 2023

Working-Age (18–64)

57.0%

Census ACS · as of 2023

Population 65 and Over

23.3%

Census ACS · as of 2023

Foreign-Born Population

19.6%

Data USA · as of 2024

Veterans

7,912

Data USA · as of 2024

Economy

GDP per Capita

$114,586

Data USA · as of 2023

Cost of Living Index

Not yet cached

Per Capita Income

$90,408

Census ACS · as of 2023

Unemployment Rate

6.1%

Census ACS · as of 2023

Poverty Rate

7.8%

Census ACS · as of 2023

Top Industries

  1. 1.Professional, Scientific, & Management, & Administrative & Waste Management Services27,826
  2. 2.Educational Services, & Health Care & Social Assistance26,623
  3. 3.Retail Trade (Group)11,738
  4. 4.Finance & Insurance, & Real Estate & Rental & Leasing11,331
  5. 5.Arts, Entertainment, & Recreation, & Accommodation & Food Services9,866

Data USA · as of 2024

Top Occupations

  1. 1.Management, Business, Science, & Arts Occupations72,706
  2. 2.Sales & Office Occupations22,676
  3. 3.Service Occupations17,804
  4. 4.Natural Resources, Construction, & Maintenance Occupations6,519
  5. 5.Production, Transportation, & Material Moving Occupations5,823

Data USA · as of 2024

Specialized Industries (Location Quotient)

  1. 1.Information (LQ 2.29×)5,432
  2. 2.Professional, Scientific, & Management (LQ 1.77×)27,681
  3. 3.Finance, Insurance, & Real Estate (LQ 1.32×)11,136
  4. 4.Other Services (LQ 1.15×)6,865
  5. 5.Arts, Entertainment, Recreation, & Accommodation (LQ 0.95×)10,531

Census ACS · as of 2023

Housing

Median Home Value

$1,390,000

Census ACS · as of 2023

Median Gross Rent

$2,584/mo

Census ACS · as of 2023

Homeownership Rate

64.7%

Data USA · as of 2024

Home Value Distribution

  • $2,000,000 or More20,723 (31.1%)
  • $1,000,000 to $1,499,99916,590 (24.9%)
  • $1,500,000 to $1,999,99912,846 (19.3%)
  • $750,000 to $999,9998,326 (12.5%)
  • $500,000 to $749,9993,764 (5.7%)
  • $400,000 to $499,9991,156 (1.7%)

Data USA · as of 2024

Education

Bachelor's Degree or Higher

60.5%

Census ACS · as of 2023

High School Diploma or Higher

92.7%

Census ACS · as of 2023

Workforce

Labor Force Participation

62.7%

Census ACS · as of 2023

Median Worker Earnings

$68,423

Census ACS · as of 2023

Mean Commute Time

27.4 min

Data USA · as of 2024

Households Without a Vehicle

4.4%

Census ACS · as of 2023

How People Get to Work

  • Drove Alone63,611 (51.8%)
  • Worked At Home38,661 (31.5%)
  • Carpooled8,743 (7.1%)
  • Public Transit4,443 (3.6%)
  • Walked4,304 (3.5%)
  • Bicycle1,501 (1.2%)

Data USA · as of 2024

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More on FDI Connect

Compare Marin County against other US geographies, save it to your shortlist, see active property listings on the interactive map, and unlock the full demographic dashboard.

Data: US Census Bureau American Community Survey, served via Data USA and the Census Bureau API. See each metric tile for the specific dataset.