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Marin County, California

County

Population: 258,765 (2023 estimate)

Located in California

County-level Census Bureau data covering income, housing, demographics, education, employment, and more. Counties are the primary administrative division in the U.S. and the most common unit for comparing local conditions across a state.

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Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).

Quick Facts — Marin County

What is the median household income in Marin County?
The median household income in Marin County is $142,785 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in Marin County?
The poverty rate in Marin County is 4.0% (U.S. Census Bureau ACS 2023).
What is the median home value in Marin County?
$1,390,000 (U.S. Census Bureau ACS 2023).
What is the average rent in Marin County?
The median gross rent in Marin County is $2,584 per month (U.S. Census Bureau ACS 2023).
What percentage of Marin County residents have a college degree?
60.5% of adults in Marin County hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
258,765
Median Income
$142,785
Median Home Value
$1,390,000
Poverty Rate
4.0%
Unemployment (ACS 2023)
6.1%
Median Age
47.0 yrs
Since 2019 Median Income: +$27,539 (+23.9%) Home Value: +$394,200 (+39.6%) Poverty Rate: +0.2 pp (+5.3%) Bachelor's+: +1.0 pp (+1.7%) Unemployment: +2.4 pp (+64.9%)

Demographics

Total Population 258,765
Median Age 47.0
Female 50.9%
Race & Ethnicity
Hispanic or Latino 19.0% White (non-Hisp.) 66.6% Black 2.3% Asian 6.2% Two or More 10.7% Other 9.6%
Asian Subgroups (% of total pop.)
Chinese
1.7%
Filipino
1.0%
Indian
0.9%
Korean
0.6%
Vietnamese
0.6%
Japanese
0.6%
Hispanic Subgroups (% of total pop.)
Mexican
8.2%
Puerto Rican
0.5%
Cuban
0.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Income & Poverty

Median Household Income $142,785 ±$4,083
+$46,451 vs. state
Per Capita Income $217,502
Median Family Income $190,681
Poverty Rate 4.0%
-4.4 pp vs. state
Child Poverty Rate 6.4%
Working-Age Poverty Rate
SNAP Recipients 4.8%
Social Security Income
Retirement Income 27.7%
Household Income Distribution
< $10k
3.4%
$10–15k
2.0%
$15–25k
3.1%
$25–35k
3.8%
$35–50k
5.9%
$50–75k
10.0%
$75–100k
9.5%
$100–150k
14.1%
$150–200k
11.0%
$200k+
37.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Housing

Total Housing Units 111,860
Owner-Occupied 63.9%
Renter-Occupied 36.1%
Vacancy Rate 7.7%
Median Home Value $1,390,000
+$694,600 vs. state
Median Gross Rent $2,584
Owner Cost Burden (30%+) 30.7%
Renter Cost Burden (30%+) 46.3%
Home Value Distribution
< $50k
1.3%
$50–100k
0.3%
$100–200k
0.8%
$200–300k
1.1%
$300–500k
2.8%
$500k–$1M
19.3%
$1M+
73.8%
Gross Rent Distribution
< $500
4.4%
$500–1k
3.9%
$1–1.5k
5.6%
$1.5–2k
13.3%
$2–2.5k
20.4%
$2.5–3.5k
14.2%
$3.5k+
38.2%
Vehicle Availability
No vehicle
4.4%
1 vehicle
33.6%
2 vehicles
40.3%
3+
21.7%
Housing Type
Single-fam. det.
62.9%
Single-fam. att.
7.7%
2–4 units
3.7%
5–19 units
6.2%
20+ units
8.7%
Mobile home
1.3%
Housing Age
Pre-1940
12.7%
1940–1969
6.4%
1970–1999
19.1%
2000–2009
4.8%
2010+
2.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Education

High School or Higher 92.7%
Bachelor's or Higher 60.5%
+24.0 pp vs. state
Graduate Degree 27.2%
Some College / Associate 15.5%
Less Than High School 4.7%
Enrolled in School

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Employment

Labor Force Participation 62.7%
Unemployment Rate 6.1%
-0.3 pp vs. state
Work from Home 27.9%
Self-Employed 13.1%
Government Workers 10.9%
Private For-Profit 75.7%
Industry
Prof. Services
21.9%
Edu/Health
20.8%
Retail
9.7%
Finance
8.8%
Arts/Entmt.
8.3%
Construction
6.4%
Manufacturing
4.9%
Information
4.3%
Public Admin
3.5%
Transportation
3.0%
Wholesale
2.0%
Agriculture
0.8%
Occupation
Management
56.8%
Sales
18.8%
Food Prep
14.4%
Construction
5.3%
Production
4.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Commute

Median Travel Time 28.3 min
Drove Alone 53.7%
Carpool 7.7%
Public Transit 4.9%
Work from Home 27.9%
Walked 3.5%
Bicycle

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Households & Families

Total Households 103,201
Avg. Household Size 2.00
Avg. Family Size
Married-Couple Households 51.0%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 20.5%
Multigenerational

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Age Distribution

Under 5
4.4%
5–9
5.3%
10–14
5.9%
15–19
6.2%
20–24
4.7%
25–34
8.5%
35–44
11.8%
45–54
14.9%
55–64
8.1%
65–74
6.9%
75–84
13.1%
85+
7.3%
Under 18: 19.7% Working age (18–64): 80.3% 65 and over: 23.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Social Characteristics

Immigration

Foreign Born 19.6%
Naturalized Citizen 51.4%
Speaks English Less Than Very Well 9.6%
Foreign-Born Origin
Latin America
43.4%
Asia
24.0%
Europe
23.1%
Africa
3.3%

Veterans & Disability

Veteran 3.8%
With a Disability 9.7%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 96.2%
Uninsured 3.8%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 95.1%
Has a Computer 97.5%
Same House 1 Year Ago 88.3%
Moved from Abroad 0.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Compare Marin County

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Where People Move From (IRS Migration Data)

Top origins of people who moved to Marin County in 2023, by number of tax returns filed (IRS SOI Migration Data).

Origin Tax Returns People (est.)
San Francisco County 1,364 2,272
Sonoma County 551 781
Alameda County 424 661
Other flows - South 399 634
Contra Costa County 324 566
Other flows - West 313 454
Los Angeles County 293 428
San Mateo County 263 417
Other flows - Northeast 246 378
Santa Clara County 165 244