Demographics in Marin County
254,407
Population
499
Population Density
48
Median Age
Age Distribution
Metro Area
Baby Boomers (Age 55+)
47%
Gen X (Age 41-55)
13%
Millennials (Age 20-40)
18%
Gen Z (Age 0-19)
22%
Gender
Male
49%
Female
51%
Race & Ethnicity
Metro Area
White
65%
Asian
6%
Black
2%
Two or more races
7%
Community
Metro Area
Married
53%
Single
32%
Divorced
11%
Widowed
4%
Language
English Only
75%
Spanish
15%
Indo-European
7%
Asian/Islander
3%
Other Languages
1%
Health Insurance Coverage By Age
Total Coverage
98%
Under 19 years
21%
19 to 60 years
53%
60 years and over
24%
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