United States › California › Marin County COUNTY · 2000 CENSUS
Marin County California · 247,289 residents · 520 sq mi
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The short version
Marin County is a county of 247,289 people in California. Median home value sits at $493,300. 51% of adults hold a bachelor's degree, against 24% nationally. Renters pay $1,162 a month at the median. Households here earn about 50% more than in California as a whole. At a median age of 41.3, this is an older place than the country as a whole.
At a glance
Wealthier
above the US median
US median: $42,589
Older
median age 41.3
US median: 35.2
More educated
51% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01
Population & growth from 38.2 in 1990
US average: 35.2
Population, 1990 – 2024
227K 237K 246K 256K 266K 1990 2000 2010 2020 2024 Marin County Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $71,306
+11%inflation adjusted, since 1990
from $48,544 in 1990
US average: $42,589
from $28,381 in 1990
US average: $21,522
from 5.2% in 1990
US average: 12.4%
$493,300
+5%inflation adjusted, since 1990
from $354,900 in 1990
US average: $120,530
$1,162
+7%inflation adjusted, since 1990
from $824 in 1990
US average: $602
from 62.1% in 1990
36.4% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 88.9%(204,646)
Hispanic / Latino 7.4%(17,004)
2000
White, non-Hispanic 78.6%(194,254)
Hispanic / Latino 11.1%(27,351)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
+ 9 more hispanic origin groups with data Asian origin
+ 7 more asian origin groups with data Ancestry
+ 46 more ancestry groups with data from 44.0% in 1990
US average: 24.4%
High school or higher
from 91.9% in 1990
US average: 80.3%
from 17.0% in 1990
US average: 8.8%
Section 06
Commute & transportation from 30.1 min in 1990
US average: 17.6
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status
Men 15+
Never married 27.7%(27,833)
Women 15+
Never married 23.8%(24,964)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 8.9% in 2013
US average: 8.4%
from 59.5% in 2020
US average: 54.8%
Direct-purchase
from 22.7% in 2020
US average: 13.8%
from 22.5% in 2020
US average: 18.4%
from 12.9% in 2020
US average: 20.9%
VA health care
from 1.1% in 2020
US average: 2.2%
Any private
from 79.5% in 2020
US average: 67.1%
Any public
from 33.2% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 12.8%(1,015)
Gulf War (1990s) 12.9%(1,024)
Share of the 7,912 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Marin County Head to head
Compare Marin County to nearby counties MARIN COUNTY VS
San Francisco County
Income $140,970 +98%
Home value $1,394,500 +183%
Population 826,079 +226%
SEE FULL COMPARISON →
MARIN COUNTY VS
Sonoma County
Income $104,674 +47%
Home value $815,500 +65%
Population 486,444 +92%
SEE FULL COMPARISON →
MARIN COUNTY VS
Napa County
Income $111,471 +56%
Home value $869,500 +76%
Population 132,949 −48%
SEE FULL COMPARISON →
MARIN COUNTY VS
Contra Costa County
Income $127,229 +78%
Home value $866,800 +76%
Population 1,170,070 +361%
SEE FULL COMPARISON →
Frequently asked
How many people live in Marin County, California? Marin County, California has about 247,289 residents according to the 2000 Census.
What is the median household income in Marin County, California? The typical household in Marin County, California earns about $71,306 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 $493,300, and the typical rent is about $1,162 a month.
How educated are people in Marin County, California? About 51.3% 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 6.6% 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 17,193 residents, a change of about 7 percent over that period.
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