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Population Review

Marin County, CA — Population & Demographics

Marin County, CA has a population of 258,765. The median household income is $142,785 and the median age is 47.3.

258,765

Population

$142,785

Median Income

$1,390,000

Median Home Value

47.3

Median Age

Race & Ethnicity

White70.4%
Black or African American2.3%
Asian0.0%
Hispanic or Latino (any race)1.9%
Two or More Races0.0%

Economy & Income

$142,785

Median Household Income

$90,408

Per Capita Income

4.0%

Poverty Rate

3.8%

Unemployment

Housing

$1,390,000

Median Home Value

$2,584

Median Rent

63.9%

Homeownership

Education

92.7%

High School+

60.5%

Bachelor's+

Frequently Asked Questions

Marin County, CA has a population of 258,765 according to Census ACS 2023 data.

The median household income in Marin County, CA is $142,785.

Data from the American Community Survey (ACS) 5-Year estimates.