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COUNTY · 2010 ACS

Marin County

California · 252,409 residents · 520.141 sq mi
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The short version

Marin County is significantly wealthier than the US average, with a median household income of $89,268. Population has held roughly steady since 2000. 54% of adults hold a bachelor's degree or higher, well above the national rate of 28%. Median home value has risen by half since 2000, reaching $868,000. With a median age of 44.5, the population is older than the US median of 37.2. Households here earn about 47% more than the California median.

At a glance
Wealthier
above the US median
US median: $52,703
Older
median age 44.5
US median: 37.2
More educated
54% hold a bachelor's degree
US average: 28%
Less affordable
home values up 39%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
252,409
+2%since 2000
from 247,289 in 2000
1990 – 2025
Population density
485 / sq mi
+2%since 2000
from 475 / sq mi in 2000
US average: 261
Median age
44.5
+8%since 2000
from 41.3 in 2000
US average: 37.2
Population, 1990 – 2024
227K237K246K256K266K1990201020202024Marin County
2024258K
1990201020202024
Section 02

Income & economy

Median household income
$89,268
−1%inflation adjusted, since 2000
from $71,306 in 2000
US average: $52,703
1990 – 2024
Per capita income
$53,940
+20%since 2000
from $44,962 in 2000
US average: $27,286
Households earning $100K+
56.9%
Unchangedsince 2009
from 56.9% in 2009
US average: 33.3%
Poverty rate
7.0%
+0.4 ptssince 2000
from 6.6% in 2000
US average: 13.8%
Income inequality (Gini)
0.498
US average: 0.461
Workforce by industry, 2010
Other services11.2%
US avg: 7%
Information9.3%
US avg: 11.5%
Public administration7.6%
US avg: 4.9%
Wholesale trade7%
US avg: 7.2%
Retail trade4.6%
US avg: 10.9%
Arts, entertainment, food4%
US avg: 2.4%
Transportation & warehousing3%
US avg: 3.1%
Finance & insurance3%
US avg: 5.1%
Professional, scientific, technical2.3%
US avg: 4.2%
Agriculture, forestry, fishing0.8%
US avg: 1.9%
Construction0.7%
US avg: 1.4%
Education & health services0.7%
US avg: 0.9%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$868,000
+39%inflation adjusted, since 2000
from $493,300 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$1,523
+4%inflation adjusted, since 2000
from $1,162 in 2000
US average: $853
Owner-occupied
46.9%
−16.7 ptssince 2000
from 63.6% in 2000
37.4% rent
Vacancy rate
7.1%
+0.5 ptssince 2009
from 6.6% in 2009
US average: 12.1%
Owner cost-burdened
42.0%
+0.3 ptssince 2009
from 41.7% in 2009
US average: 30.9%
Renter cost-burdened
52.1%
+1.0 ptssince 2009
from 51.1% in 2009
US average: 46.8%
Afford Score
9.7
+41%since 2000
from 6.9 in 2000
1990 – 2024
RELATED:See current rent listings in Marin County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic78.6%(194,254)
Black2.8%(6,946)
Hispanic / Latino11.1%(27,351)
Asian4.5%(11,078)
Other0%
Diversity Score40.9%(101,033)
2010
White, non-Hispanic72.8%(183,830)
Black2.6%(6,621)
Hispanic / Latino15.5%(39,069)
Asian5.4%(13,577)
Other2.9%(7,361)
Diversity Score54.1%(136,442)
Diversity Score
54
+32%since 2000
from 41 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
54.1%
+2.8 ptssince 2000
from 51.3% in 2000
US average: 27.9%
High school or higher
91.8%
+0.6 ptssince 2000
from 91.2% in 2000
US average: 84.9%
Graduate degree
22.7%
+2.1 ptssince 2000
from 20.5% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
28.2 min
+13%since 2000
from 24.9 min in 2000
US average: 25.2
Drive alone to work
66.7%
−0.4 ptssince 2009
from 67.1% in 2009
US average: 76.2%
Carpooled to work
9.5%
+0.1 ptssince 2009
from 9.4% in 2009
US average: 10.4%
Public transit
8.3%
−0.1 ptssince 2009
from 8.3% in 2009
US average: 4.7%
Worked from home
9.7%
Unchangedsince 2009
from 9.7% in 2009
US average: 4.1%
Walked to work
3.3%
+0.4 ptssince 2009
from 2.9% in 2009
US average: 2.8%
Biked to work
1.3%
+0.1 ptssince 2009
from 1.2% in 2009
US average: 0.5%
No vehicle available
5.1%
Unchangedsince 2009
from 5.1% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
11.6%
+0.4 ptssince 2009
from 11.1% in 2009
US average: 12.9%
Management & professional
51.0%
−21.5 ptssince 2009
from 72.5% in 2009
US average: 35.2%
Section 08

People & community

Male
49.3%
−0.6 ptssince 2009
from 49.9% in 2009
Female
50.7%
+0.6 ptssince 2009
from 50.1% in 2009
Foreign born
18.8%
+0.5 ptssince 2009
from 18.3% in 2009
US average: 12.8%
Veterans
8.5%
−41.0 ptssince 2009
from 49.5% in 2009
US average: 9.9%
Drill deeper

Places similar to Marin County

Forsyth County
Pop 282,805
Howard County
Pop 339,183
Douglas County
Pop 399,396
Santa Cruz County
Pop 258,852
Places similar to Marin County
Head to head

Compare Marin County to nearby counties

MARIN COUNTY VS
San Francisco County
Income$140,970+58%
Home value$1,394,500+61%
Population826,079+226%
SEE FULL COMPARISON →
MARIN COUNTY VS
Sonoma County
Income$104,674+17%
Home value$815,500−6%
Population486,444+92%
SEE FULL COMPARISON →
MARIN COUNTY VS
Napa County
Income$111,471+25%
Home value$869,500same
Population132,949−48%
SEE FULL COMPARISON →
MARIN COUNTY VS
Contra Costa County
Income$127,229+43%
Home value$866,800same
Population1,170,070+361%
SEE FULL COMPARISON →
Frequently asked

How many people live in Marin County, California?

Marin County, California has about 252,409 residents according to the 2010 American Community Survey.

What is the median household income in Marin County, California?

The typical household in Marin County, California earns about $89,268 a year. Half of households make more than that, and half make less.

Is Marin County, California expensive?

In Marin County, California, the median home is worth about $868,000, and the typical rent is about $1,523 a month.

How educated are people in Marin County, California?

About 54.1% of adults age 25 and over in Marin County, California hold a bachelor's degree or higher.

What is the poverty rate in Marin County, California?

About 7.0% of people in Marin County, California live below the federal poverty line.

Has Marin County, California grown since 1990?

Yes, Marin County, California has grown since 1990. The population has added about 22,313 residents, a change of about 10 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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