Marin County, California Population 2018

Marin County, California's estimated population is 260,955 with a growth rate of 0.62% in the past year according to the most recent United States census data. Marin County, California is the 26th largest county in California.

Year Population Growth Growth Rate
2017260,9551,5970.62%
2016259,358-2,174-0.83%
2016261,532-186-0.07%
2015261,7187110.27%
2014261,0072,1510.83%
2013258,8562,4750.97%
2012256,3818760.34%
2011255,5052,5651.01%
2010252,94022,8449.93%
1990230,0967,5283.38%
1980222,56816,5308.02%
1970206,03859,21840.33%
1960146,82061,20171.48%
195085,61932,71261.83%
194052,90711,25927.03%
193041,64814,30652.32%
192027,3422,2288.87%
191025,1149,41259.94%
190015,7022,63020.12%
189013,0721,74815.44%
188011,3244,42164.04%
18706,9033,569107.05%
18603,3343,011932.20%
18503230.00%

Marin County, California Population Growth

Population Data via

Population by Race

Race Population
White204,928
Some Other Race20,533
Asian14,693
Two or More Races11,761
Black or African American6,075
American Indian and Alaska Native797
Native Hawaiian and Other Pacific Islander571

Race Data via US Census (2016 ACS 5-Year Survey)

Marin County, California Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Marin County, California Median Age

45.7


Total

44.1


Male

47.3


Female

Marin County, California Adults

There are 206,190 adults, (50,575 of which are seniors) in Marin County, California.

Marin County, California Age Dependency

66.6

Age Dependency Ratio

32.4

Old Age Dependency Ratio

34.2

Child Dependency Ratio

Marin County, California Sex Ratio

Female

132,613

51.13%

Male

126,745

48.87%

Marin County, California Households and Families

Marin County, California Renter vs Owner Occupied by Household Type

Marin County, California Household Types

Type Owner Renter
Married76%24%
All63.4%36.6%
Female53.8%46.2%
Non Family50.2%49.8%
Male48.1%51.9%

63.4%

Rate of Home Ownership

Marin County, California Households by Type

Type Count Average Size Owned
All104,4002.4163.4
Married52,5313.0976
Non Family39,9511.2750.2
Female8,5863.1853.8
Male3,3323.3648.1

3.02

Average Family Size

2.41

Average Household Size

4.8%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

Marin County, California Households

Marin County, California Education

Marin County, California Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade7,3603.88%
9th to 12th Grade5,7183.01%
High School Graduate21,37211.27%
Some College35,22118.57%
Associates Degree11,7536.20%
Bachelors Degree61,10032.21%
Graduate Degree47,19324.88%

Marin County, California Educational Attainment by Race

Name Total High School Bachelors
White144,461140,91692,226
Hispanic23,99716,1685,420
Other Race11,8176,6151,279
Asian11,65410,7796,928
Multiple Races5,3244,9672,471
Black4,4963,8721,364
Native American56142656
Islander428295149

The highest rate of high school graduation is among white people with a rate of 97.55%.

The highest rate of bachelors degrees is among white people with a rate of 63.84%.

Marin County, California Earnings by Educational Attainment

Name Average Male Female
Overall$54,894$67,868$46,341
Less Than High School$20,179$21,984$16,890
High School Grad$29,779$34,597$23,723
Some College$41,330$48,231$35,692
Bachelors Degree$71,120$95,278$52,880
Graduate Degree$90,702$111,515$74,000

$54,894

Average Earnings

$67,868

Average Male

$46,341

Average Female

Marin County, California Language

Marin County, California Language by Age

Marin County, California Language

77.14% of Marin County, California residents speak only English, while 22.86% speak other languages. The largest non-English language is Spanish, which is spoken by 12.98% of the population.

Marin County, California Poverty

Marin County, California Poverty by Race

Name Total In Poverty Poverty Rate
White184,1619,2045.00%
Hispanic39,1118,05220.59%
Other19,3605,05426.11%
Asian14,2661,3229.27%
Multiple11,0471,0399.41%
Black4,88982016.77%
Native71524434.13%
Islander49519539.39%

8.08%

Overall Poverty Rate

7.88%

Male Poverty Rate

8.26%

Female Poverty Rate

Poverty in Marin County, California

The race most likely to be in poverty in Marin County, California is Islander, with 39.39% below the poverty level.

The race least likely to be in poverty in Marin County, California is White, with 5.00% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.24%. Among those working part-time, it was 9.87%, and for those that did not work, the poverty rate was 13.82%.

Marin County, California Poverty Rate by Education

Name Poverty
Less Than High School28.37%
High School12.43%
Some College7.15%
Bachelors or Greater3.68%

Marin County, California Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed21.79%
Female Unemployed20.39%
Female Employed4.93%
Male Employed3.90%

Marin County, California Income

Marin County, California Income by Household Type

Name Median Mean
Households$100,310$154,618
Families$130,079$190,037
Married Families$149,340$210,196
Non Families$57,849$92,865

Marin County, California Marital Status

Marin County, California Marital Status

Marriage Rates

52.2%

Overall Marriage Rate

55.2%

Male Marriage Rate

49.4%

Female Marriage Rate

Marin County, California Married by Age and Sex

Marin County, California Marriage

The age group where males are most likely to be married is 45To54, while the female age group most likely to be married is 35To44.

Marin County, California Marital Status by Race

Marin County, California Veterans

Marin County, California Veterans by War

12,956

Number of Veterans

12,277

Male Veterans

679

Female Veterans

Name Veterans
Vietnam5,168
Korea2,191
World War II1,378
First Gulf War993
Second Gulf War990

Marin County, California Veterans by Age

Name Veterans
75+5,057
65 to 744,063
55 to 641,663
35 to 541,637
18 to 34536

Marin County, California Veterans by Race

Name Veterans % of Total
White11,5006.91%
Hispanic6822.43%
Black4859.50%
Asian3622.88%
2 or More3485.22%
Other1751.24%
Hawaiian4710.44%
Indian396.79%

Marin County, California Veterans by Education

3.41%

Veteran Poverty Rate

26.53%

Veteran Disability Rate

Marin County, California Employment Status

Marin County, California Employment by Age

65%

Labor Force Participation

61.6%

Employment Rate

5.1%

Unemployment Rate

Marin County, California Employment by Race

Marin County, California Employment by Education

Population of Cities in Marin County, California

City 2010 Census 2016 Estimated Growth Growth Rate
San Rafael577175895412372.14%
Novato519045600441007.90%
Mill Valley13903143504473.22%
San Anselmo12336125992632.13%
Larkspur11926123824563.82%
Corte Madera925398586056.54%
Tiburon896291762142.39%
Fairfax744175981572.11%
Sausalito694271251832.64%
Ross24152467522.15%
Belvedere20682122542.61%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990