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Marin County, CA

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Marin County, CA
  • Location TypeCounty
  • County SeatSan Rafael, CA
  • Population252,409
  • Land Area (Square Miles) 520.3099
  • Population Density (Per Square Mile) 485.1000

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Median Age

% Population African American

% Population Hispanic

% Population White

Population Density
(Persons per Square Mile)

Rural-Urban Continuum


Suggested Data Series

TitleLatest YearLatest ValueLatest Rank
Decennial Census Population (County)2010252,409258 of 3170
Decennial Census Population Per Square Mile (County)2010485.10280 of 3170
Percent of African American Population (County)20182.8%1504 of 3131
Percent of Hispanic Population (County)201816.1%500 of 3139
Persistent Poverty Counties (County)201300 of 0 - 1
Rural-Urban Continuum for Counties (County)201311 of 1 - 9
Unemployment Rate (County)20192.3%2981 of 3140
Death Rate (Per 100,000) (County)2016730.902754 of 3105
Percent of Adults Physically Inactive (County)201612.6%3131 of 3141
Age-Adjusted Rate of Diabetes per 1,000 Persons (County)20162.903102 of 3141
Medicare Part D Prescription Enrollment Rate (County)201837.8%2576 of 3137
Farmers' Markets (County)20161593 of 2249
Percent of Children Without a Market Within One Mile (County)20153.9%2970 of 3004
Percent of School-age Children in Poverty (County)20185.8%3088 of 3140
Total Public School Expenditures (County)2017$580,058,000.00237 of 3123
Number of Public Libraries (County)20177263 of 1287
Average Daily Maximum Heat Index (County)201181.933003 of 3103
Percentage of Days with a Good Air Quality Index (County)201994.2%228 of 1006
Second Highest 1-hour Carbon Monoxide Measurement (County)20191.3099 of 165
Greenhouse Gas Direct Emitting Facilities (County)201811227 of 1227
Average Fine Particulate Matter (County)20117.503102 of 3108
FEMA Public Assistance Grant Dollars Obligated for Disasters (County)2019$1,300,619.5175 of 826
Total Deposits in Banks (County)2016-2017$12,720,392,000.00130 of 3108
Property Taxes as Percent of Income: Five-Year Estimates (County)2006-20104.9%90 of 2773
Percent of Firms Which are Women Owned (County)201238.9%392 of 3093
Manufacturing Establishments with 5 to 9 Employees (County)201839257 of 1961
Immigrant Households Entering County According to Tax Returns (County)2015-201684233 of 484
Estimated Veteran Population Under 45 Years Old (County)20101,409680 of 3143
Total Planted Acres (County)201937,709.602017 of 3034
Online, Mail Order, and Television Retail Sales in 2009 Dollars (County)2050$2,714,000,000.0079 of 2709
Total Retail and Food Service Sales in 2009 Dollars (County)2050$7,593,000,000.00226 of 3108
Earnings in Management of Companies and Enterprises Occupations in 2009 Dollars (County)2050$1,064,000,000.00140 of 2178
Population (County)2050298,000314 of 3076
Per Capita Total Personal Income (County)2050$550,763.005 of 3112
Total Employees (County)2050288,000217 of 3065
Population 18 to 24 Years Old (County)205018,000412 of 2216
African American Male Population 25 Years Old (County)205083627 of 2780
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