Marin   County CA United States

County FIPS 06041
Largest City San Rafael
State California
Latitude 38.0735
Longitude -122.7236
Population 257,969
Density 496.09 people per square mile
Time Zone America/Los Angeles
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $149,091
Median individual: $66,671

Race

Mode: 67.7% White

Gender

 50.8% female 

Rent

  $2668 / month  

Median house value: $1,477,206.0

Age

Median: 47.4 years old

Education

With at least college degree: 61.1%
With STEM degree: 49.3%

Marital Status

 51.2% married 

Never married: 30.7%

Labor Force Participation

 62.3% working 

Unemployed: 6.1%

Average Family Size

 3.01 people 

Commute Time

 27.4 minutes 

Health Care

 3.8% uninsured 

Poverty

 8.3%

All data comes from the SimpleMaps US Counties Database, 2026.

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