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Contra Costa County, CA

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Contra Costa County, CA
  • Location TypeCounty
  • County SeatMartinez, CA
  • Population1,049,025
  • Land Area (Square Miles) 715.9400
  • Population Density (Per Square Mile) 1465.2000

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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)20101,049,02538 of 3170
Decennial Census Population Per Square Mile (County)20101,465.20110 of 3170
Percent of African American Population (County)20189.5%839 of 3131
Percent of Hispanic Population (County)201825.8%291 of 3139
Persistent Poverty Counties (County)201300 of 0 - 1
Rural-Urban Continuum for Counties (County)201311 of 1 - 9
Unemployment Rate (County)20193.1%2199 of 3140
Death Rate (Per 100,000) (County)2016679.502857 of 3105
Percent of Adults Physically Inactive (County)201616.2%3066 of 3141
Age-Adjusted Rate of Diabetes per 1,000 Persons (County)20167.002278 of 3141
Medicare Part D Prescription Enrollment Rate (County)201830.9%2913 of 3137
Farmers' Markets (County)20162534 of 2249
Percent of Children Without a Market Within One Mile (County)20156.0%2920 of 3004
Percent of School-age Children in Poverty (County)20188.0%2974 of 3140
Total Public School Expenditures (County)2017$2,488,055,000.0051 of 3123
Number of Public Libraries (County)20172908 of 1287
Average Daily Maximum Heat Index (County)201185.882770 of 3103
Percentage of Days with a Good Air Quality Index (County)201981.1%688 of 1006
Second Highest 1-hour Carbon Monoxide Measurement (County)20196.601 of 165
Greenhouse Gas Direct Emitting Facilities (County)20182115 of 1227
Average Fine Particulate Matter (County)20118.293061 of 3108
FEMA Public Assistance Grant Dollars Obligated for Disasters (County)2017$1,861,518.0239 of 435
Total Deposits in Banks (County)2016-2017$46,790,547,000.0050 of 3108
Property Taxes as Percent of Income: Five-Year Estimates (County)2006-20104.0%236 of 2773
Percent of Firms Which are Women Owned (County)201236.8%588 of 3093
Manufacturing Establishments with 5 to 9 Employees (County)201892112 of 1961
Immigrant Households Entering County According to Tax Returns (County)2017-201861213 of 389
Estimated Veteran Population Under 45 Years Old (County)20109,01292 of 3143
Total Planted Acres (County)201962,088.091754 of 3034
Online, Mail Order, and Television Retail Sales in 2009 Dollars (County)2050$1,035,000,000.00155 of 2709
Total Retail and Food Service Sales in 2009 Dollars (County)2050$23,730,000,000.0050 of 3108
Earnings in Management of Companies and Enterprises Occupations in 2009 Dollars (County)2050$5,235,000,000.0049 of 2178
Population (County)20501,670,00037 of 3076
Per Capita Total Personal Income (County)2050$334,778.0066 of 3112
Total Employees (County)2050907,00056 of 3065
Population 18 to 24 Years Old (County)2050128,00044 of 2216
African American Male Population 25 Years Old (County)2050649131 of 2780
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