Marin County, California's estimated 2023 population is 265,294 with a growth rate of 0.37% in the past year according to the most recent United States census data. Marin County, California is the 26th largest county in California. The 2010 population was 252,409 and has seen a growth of 5.1% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2010 | 252,409 | ||
| 2011 | 253,400 | 991 | 0.39% |
| 2012 | 254,391 | 991 | 0.39% |
| 2013 | 255,382 | 991 | 0.39% |
| 2014 | 256,373 | 991 | 0.39% |
| 2015 | 257,364 | 991 | 0.39% |
| 2016 | 258,355 | 991 | 0.39% |
| 2017 | 259,346 | 991 | 0.38% |
| 2018 | 260,337 | 991 | 0.38% |
| 2019 | 261,328 | 991 | 0.38% |
| 2020 | 262,321 | 993 | 0.38% |
| 2021 | 263,312 | 991 | 0.38% |
| 2022 | 264,303 | 991 | 0.38% |
| 2023 | 265,294 | 991 | 0.37% |
White
Other race
Two or more races
Asian
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 103,751 | 2.46 | 63.8 | 36.2 |
| Married | 53,367 | 3.1 | 77.2 | 22.8 |
| Non Family | 37,987 | 1.32 | 49.1 | 50.9 |
| Female | 8,483 | 3.3 | 49.3 | 50.7 |
| Male | 3,914 | 3.16 | 53.1 | 46.9 |
3.03
Average Family Size
2.46
Average Household Size
63.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
78.57% of Marin County, California residents speak only English, while 21.43% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 11.61% of the population.
rate
6.94%
Overall Poverty Rate
6.44%
Male Poverty Rate
7.41%
Female Poverty Rate
The race most likely to be in poverty in Marin County, California is Other, with 17.85% below the poverty level.
The race least likely to be in poverty in Marin County, California is Islander, with 1.55% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.44%. Among those working part-time, it was 7.77%, and for those that did not work, the poverty rate was 12.64%.
Married
Widowed
Divorced
Separated
NeverMarried
51.5%
Overall Marriage Rate
55.0%
Male Marriage Rate
48.1%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
3.63%
Veteran Poverty Rate
26.68%
Veteran Disability Rate
LaborForceParticipation
63.6%
Labor Force Participation
60.3%
Employment Rate
5.2%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
51.7%
Born in Marin County, California
83.16%
Native Born
18.87%
Foreign Born
9.53%
Non Citizen
9.34%
Naturalized
83.16% of Marin County, California residents were born in the United States, with 51.7% having been born in California. 9.53% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.