Marin County, California

CA · FIPS 06041 · ACS 2024 5-Year Estimates

Metric Value vs National Rank Percentile
Total Population 257,969 #279 / 3,222
91th
Median Household Income $149,091 +98.4% #7 / 3,222
100th
Median Age 47.4 years +21.9% #410 / 3,222
87th
Median Home Value $1.5M +434.7% #4 / 3,222
100th
Median Gross Rent $2,668 +129.4% #3 / 3,222
100th
Poverty Rate 8.3% -34.1% #420 / 3,222
87th

Demographics

Marin County has a population of 257,969, making it the #279 most populous county in the US. The median age is 47.4 years, which is 21.9% above the national median.

Population Trend

Rankings →

Year-over-Year Population Growth

Age & Sex Distribution

Race & Ethnicity

Nativity

80.4%
Native Born
19.6%
Foreign Born

Household Type

Economy

The median household income in Marin County is $149,091, ranking #7 out of 3,222 counties — 98.4% above the national median. The poverty rate is 8.3% and unemployment stands at 6.1%.

Median Household Income
$149,091 +98.4% vs nat'l
Rank #7 of 3,222
100th percentile
Per Capita Income
$93,920 +127.6% vs nat'l
Rank #3 of 3,222
100th percentile
Poverty Rate
8.3% −34.1% vs nat'l
Rank #420 of 3,222
87th percentile
Unemployment Rate
6.1% +14.8% vs nat'l
Rank #2,562 of 3,222
20th percentile
Bachelor's Degree or Higher
61.1% +81.4% vs nat'l
Rank #20 of 3,222
99th percentile
Mean Commute Time
30.6 min +10.8% vs nat'l
Rank #791 of 3,222
75th percentile

Median Household Income Trend

Rankings →

Poverty Rate Trend

Rankings →

Housing

The median home value in Marin County is $1.5M (+434.7% vs national). Renters pay a median of $2,668/mo and the homeownership rate is 64.7%.

Median Home Value
$1.5M +434.7% vs nat'l
Rank #4 of 3,222
100th percentile
Median Gross Rent
$2,668 +129.4% vs nat'l
Rank #3 of 3,222
100th percentile
Homeownership Rate
64.7% +0.4% vs nat'l
Rank #2,766 of 3,222
14th percentile
64.7% Homeownership

Median Home Value Trend

Rankings →

Health

96.2% of residents in Marin County have health insurance coverage, which is 4.9% above the national rate.

96.2% Health Insurance
Health Insurance Coverage
96.2% +4.9% vs nat'l
Rank #214 of 3,222
93th percentile

About Marin County, California

Marin County, California has a total population of 257,969, making it the 279th most populous county in the United States. The median age in Marin County is 47.4 years, which is 21.9% above the national median of 38.9 years.

The median household income in Marin County is $149,091, which ranks #7 of 3,222 counties nationwide. This is 98.4% above the national median of $75,149. The poverty rate is 8.3%, lower than the national rate of 12.6%. The unemployment rate stands at 6.1%.

The median home value in Marin County is $1.5M, 434.7% above the national median. Renters in Marin County pay a median gross rent of $2,668 per month. The homeownership rate is 64.7%, compared to the national rate of 64.4%.

In Marin County, 61.1% of residents aged 25 and older hold a bachelor's degree or higher, 81.4% above the national average of 33.7%. Health insurance coverage stands at 96.2% of the population. The average commute time for workers is 30.6 min.

Marin County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 65.1% of the population, followed by Hispanic or Latino (19.5%) and Asian (non-Hispanic) (6.1%).

All data for Marin County, California comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.