Contra Costa County (California, CA)

USA > California > Contra Costa County
Language Spoken At Home in Contra Costa County
*Base on 2012 Data
Population 5 years and over985,200100%
English only658,88566.9%
Language other than English326,31533.1%
   Speak English less than very well134,25613.6%
   Spanish173,30317.6%
      Speak English less than very well79,2058.0%
   Other Indo-European languages54,2945.5%
      Speak English less than very well15,7981.6%
   Asian and Pacific Islander languages89,6449.1%
      Speak English less than very well36,9363.7%
   Other languages9,0740.9%
      Speak English less than very well2,3170.2%

Ancestry in Contra Costa County
*Base on 2012 Data
Total population1,052,047100%
  American33,9573.2%
  Arab7,4650.7%
  Czech2,8660.3%
  Danish7,6240.7%
  Dutch11,9871.1%
  English83,4567.9%
  French (except Basque)22,9752.2%
  French Canadian3,1800.3%
  German109,49310.4%
  Greek5,9300.6%
  Hungarian4,0140.4%
  Irish95,9869.1%
  Italian63,5556.0%
  Lithuanian1,7170.2%
  Norwegian15,7331.5%
  Polish14,5111.4%
  Portuguese19,6561.9%
  Russian14,0631.3%
  Scotch-Irish7,9610.8%
  Scottish19,1511.8%
  Slovak9160.1%
  Subsaharan African10,5381.0%
  Swedish15,1651.4%
  Swiss3,6140.3%
  Ukrainian3,4170.3%
  Welsh6,8310.6%
  West Indian (excluding Hispanic origin groups)2,1390.2%
Households By Type in Contra Costa County
*Base on 2012 Data
Total households373,145100%
  Family households (families)262,86370.4%
     With own children under 18 years126,62433.9%
     Married-couple family199,46853.5%
        With own children under 18 years93,90225.2%
     Male householder, no wife present, family19,1685.1%
        With own children under 18 years8,8482.4%
     Female householder, no husband present, family44,22711.9%
        With own children under 18 years23,8746.4%
  Nonfamily households110,28229.6%
     Householder living alone89,64724.0%
        65 years and over34,1049.1%
 
  Households with one or more people under 18 years137,72736.9%
  Households with one or more people 65 years and over94,68625.4%
 
  Average household size30%
  Average family size30%
Relationship in Contra Costa County
*Base on 2012 Data
Population in households1,040,898100%
  Householder373,14535.8%
  Spouse199,49719.2%
  Child333,09132.0%
  Other relatives79,7937.7%
  Nonrelatives55,3725.3%
     Unmarried partner21,5342.1%
Marital Status in Contra Costa County
*Base on 2012 Data
Males 15 years and over404,754100%
  Never married135,28533.4%
  Now married, except separated219,64854.3%
  Separated6,5941.6%
  Widowed10,1012.5%
  Divorced33,1268.2%
 
  Females 15 years and over434,314100%
  Never married121,55528.0%
  Now married, except separated215,99049.7%
  Separated10,7462.5%
  Widowed35,6698.2%
  Divorced50,35411.6%
Fertility in Contra Costa County
*Base on 2012 Data
Number of women 15 to 50 years old who had a birth in the past 12 months13,895100%
  Unmarried women (widowed, divorced, and never married)4,05629.2%
     Per 1,000 unmarried women310%
  Per 1,000 women 15 to 50 years old540%
     Per 1,000 women 15 to 19 years old190%
     Per 1,000 women 20 to 34 years old970%
     Per 1,000 women 35 to 50 years old310%
Grandparents in Contra Costa County
*Base on 2012 Data
Number of grandparents living with own grandchildren under 18 years24,881100%
  Responsible for grandchildren7,64430.7%
        Less than 1 year1,6316.6%
        1 or 2 years1,6466.6%
        3 or 4 years1,5656.3%
        5 or more years2,80211.3%
  Number of grandparents responsible for own grandchildren under 18 years7,644100%
  Who are female4,67061.1%
  Who are married5,68774.4%
School Enrollment in Contra Costa County
*Base on 2012 Data
Population 3 years and over enrolled in school287,217100%
  Nursery school, preschool18,7356.5%
  Kindergarten14,9145.2%
  Elementary school (grades 1-8)116,28240.5%
  High school (grades 9-12)64,00022.3%
  College or graduate school73,28625.5%
Educational Attainment in Contra Costa County
*Base on 2012 Data
Population 25 years and over704,269100%
  Less than 9th grade40,5215.8%
  9th to 12th grade, no diploma39,7875.6%
  High school graduate (includes equivalency)135,45419.2%
  Some college, no degree158,84322.6%
  Associate's degree57,4788.2%
  Bachelor's degree173,01424.6%
  Graduate or professional degree99,17214.1%
 
  Percent high school graduate or higher088.6%
  Percent bachelor's degree or higher038.6%
Veteran Status in Contra Costa County
*Base on 2012 Data
Civilian population 18 years and over791,701100%
  Civilian veterans60,1087.6%
Disability Status Of The Civilian Noninstitutionalized Population in Contra Costa County
*Base on 2012 Data
Total Civilian Noninstitutionalized Population1,046,170100%
  With a disability102,9719.8%
 
Under 18 years259,297100%
  With a disability8,0653.1%
 
18 to 64 years656,961100%
  With a disability49,5857.5%
 
65 years and over129,912100%
  With a disability45,32134.9%
Residence 1 Year Ago in Contra Costa County
*Base on 2012 Data
Population 1 year and over1,040,364100%
  Same house886,26285.2%
  Different house in the U.S.146,74614.1%
     Same county97,6239.4%
     Different county49,1234.7%
        Same state38,5923.7%
        Different state10,5311.0%
  Abroad7,3560.7%
Place Of Birth in Contra Costa County
*Base on 2012 Data
Total population1,052,047100%
  Native803,48976.4%
     Born in United States789,58375.1%
        State of residence589,47156.0%
        Different state200,11219.0%
     Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s)13,9061.3%
  Foreign born248,55823.6%
U.S. Citizenship Status in Contra Costa County
*Base on 2012 Data
Foreign-born population248,558100%
  Naturalized U.S. citizen127,48751.3%
  Not a U.S. citizen121,07148.7%
Year of Entry in Contra Costa County
*Base on 2012 Data
Population born outside the United States262,464100%
  Native13,906100%
    Entered 2010 or later4143.0%
    Entered before 201013,49297.0%
  Foreign born248,558100%
    Entered 2010 or later4,3101.7%
    Entered before 2010244,24898.3%
World Region Of Birth Of Foreign Born in Contra Costa County
*Base on 2012 Data
Foreign-born population, excluding population born at sea248,545100%
  Europe22,7989.2%
  Asia107,22143.1%
  Africa6,7892.7%
  Oceania2,9491.2%
  Latin America105,09642.3%
  Northern America3,6921.5%