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Home > US counties > Counties in California state > Contra Costa County Demography

State of California - County of Contra Costa

Contra Costa County Demography

For county business demographics page, click Contra Costa County Businesses

  • Table 1. Contra Costa County Area and Population - See below
  • Table 2. Contra Costa County Population by Age, Sex, and Race
  • Table 3. Contra Costa County Group Quarters Population and Households
  • Table 4. Contra Costa County Vital Statistics and Health
  • Table 5. Contra Costa County Education, Income, and Poverty
  • Table 6. Contra Costa County Crime Housing, and Building Permits
  • Table 7. Contra Costa County Personal Income and Earnings
    TABLE 1. Contra Costa County Area and Population
    Land area, Year 2000 (sq. miles) 720
    Population 2001 (July 1) > Number 975,532
    Population 2001 (July 1) > Rank 37
    Population (April 1) > Year 2000 > Number 948,816
    Population (April 1) > Year 2000 > Rank 38
    Population (April 1) > Year 2000 > Per square mile 1,317.80
    Population (April 1) > Year 1990 > Number 803,731
    Population (April 1) > Year 1990 > Rank 47
    Population (April 1) > Year 1980 656,331
    Population (April 1) > Net change > Year 2000-2001 26,716
    Population (April 1) > Net change > Year 1990-2000 145,085
    Population (April 1) > Net change > Year 1980-1990 147,400
    Population (April 1) > Percent change > Year 2000-2001 2.80%
    Population (April 1) > Percent change > Year 1990-2000 18.10%
    Population (April 1) > Percent change > Year 1980-1990 22.50%
    Population (April 1) > Hispanic or Latino, Year 2000 > Number 167,776
    Population (April 1) > Hispanic or Latino, Year 2000 > Percent 17.70%


    TABLE 2. Contra Costa County Population by Age, Sex, and Race
    Down Top
    Total population, 2000 (April 1) 948,816
    Population by age, 2000 (April 1) > Under 5 years > Number 66,128
    Population by age, 2000 (April 1) > Under 5 years > Percent 7.00%
    Population by age, 2000 (April 1) > 5 to 17 years > Number 185,666
    Population by age, 2000 (April 1) > 5 to 17 years > Percent 19.60%
    Population by age, 2000 (April 1) > 18 to 24 years > Number 73,202
    Population by age, 2000 (April 1) > 18 to 24 years > Percent 7.70%
    Population by age, 2000 (April 1) > 25 to 44 years > Number 290,142
    Population by age, 2000 (April 1) > 25 to 44 years > Percent 30.60%
    Population by age, 2000 (April 1) > 45 to 64 years > Number 226,406
    Population by age, 2000 (April 1) > 45 to 64 years > Percent 23.90%
    Population by age, 2000 (April 1) > 65 to 74 years > Number 54,722
    Population by age, 2000 (April 1) > 65 to 74 years > Percent 5.80%
    Population by age, 2000 (April 1) > 75 to 84 years > Number 39,179
    Population by age, 2000 (April 1) > 75 to 84 years > Percent 4.10%
    Population by age, 2000 (April 1) > 85 years and over > Number 13,371
    Population by age, 2000 (April 1) > 85 years and over > Percent 1.40%
    Population by age, 2000 (April 1) > Median age (years) 36.40
    Population by sex, 2000 (April 1) > Males 463,270
    Population by sex, 2000 (April 1) > Females 485,546
    Population by sex, 2000 (April 1) > Males per 100 females 95.40
    Population by race, 2000 (April 1) > One race > White > Number 621,490
    Population by race, 2000 (April 1) > One race > White > Percent 65.50%
    Population by race, 2000 (April 1) > One race > Black or African American > Number 88,813
    Population by race, 2000 (April 1) > One race > Black or African American > Percent 9.40%
    Population by race, 2000 (April 1) > One race > American Indian and Alaska Native > Number 5,830
    Population by race, 2000 (April 1) > One race > American Indian and Alaska Native > Percent 0.60%
    Population by race, 2000 (April 1) > One race > Asian > Number 103,993
    Population by race, 2000 (April 1) > One race > Asian > Percent 11.00%
    Population by race, 2000 (April 1) > One race > Native Hawaiian and Other Pacific Islander > Number 3,466
    Population by race, 2000 (April 1) > One race > Native Hawaiian and Other Pacific Islander > Percent 0.40%
    Population by race, 2000 (April 1) > One race > Some other race > Number 76,510
    Population by race, 2000 (April 1) > One race > Some other race > Percent 8.10%
    Population by race, 2000 (April 1) > Two or more races > Number 48,714
    Population by race, 2000 (April 1) > Two or more races > Percent 5.10%


    TABLE 3. Contra Costa County Group Quarters Population and Households
    Up Down Top
    Group quarters population, Year 2000 > Number 11,337
    Group quarters population, Year 2000 > Institutionalized population 5,292
    Households, 2000 (April 1) > Number > Year 2000 344,129
    Households, 2000 (April 1) > Number > Year 1990 300,288
    Households, 2000 (April 1) > Percent change, Year 1990-2000 14.60%
    Households, 2000 (April 1) > Persons in households > Number 937,479
    Households, 2000 (April 1) > Persons in households > Persons per household 2.72
    Households, 2000 (April 1) > One person > Number 78,759
    Households, 2000 (April 1) > One person > Percent 22.90%
    Households, 2000 (April 1) > One or more persons under 18 years > Number 133,372
    Households, 2000 (April 1) > One or more persons under 18 years > Percent 38.80%
    Households, 2000 (April 1) > One or more persons 65 years or older > Number 76,255
    Households, 2000 (April 1) > One or more persons 65 years or older > Percent 22.20%
    Households, 2000 (April 1) > By type > Family households (families) > Number 242,233
    Households, 2000 (April 1) > By type > Family households (families) > With own children under 18 years > Number 121,884
    Households, 2000 (April 1) > By type > Family households (families) > With own children under 18 years > Percent 50.30%
    Households, 2000 (April 1) > By type > Family households (families) > Married-couple > Number 187,613
    Households, 2000 (April 1) > By type > Family households (families) > Married-couple > With own children > Number 91,975
    Households, 2000 (April 1) > By type > Family households (families) > Married-couple > With own children > Percent 49.00%
    Households, 2000 (April 1) > By type > Family households (families) > Female householder > Number 39,683
    Households, 2000 (April 1) > By type > Family households (families) > Female householder > With own children > Number 22,363
    Households, 2000 (April 1) > By type > Family households (families) > Female householder > With own children > Percent 56.40%
    Households, 2000 (April 1) > By type > Nonfamily households > Number > 2000 101,896
    Households, 2000 (April 1) > By type > Nonfamily households > Number > Year 1990 87,639
    Households, 2000 (April 1) > By type > Nonfamily households > Percent change, Year 1990-2000 16.30%


    TABLE 4. Contra Costa County Vital Statistics and Health
    Up Down Top
    Population, Year 1997 (July 1) for birth and death rates 899,494
    Births, Year 1997 > Number 12,300
    Births, Year 1997 > Rate 13.70
    Deaths, Year 1997 > Total > Number 6,380
    Deaths, Year 1997 > Total > Rate 7.10
    Deaths, Year 1997 > Infant > Number 63
    Deaths, Year 1997 > Infant > Rate 5.10
    Physicians, Year 1999 > Number **
    Physicians, Year 1999 > Rate **
    Community hospitals, Year 1998 > Number **
    Community hospitals, Year 1998 > Beds > Number **
    Community hospitals, Year 1998 > Beds > Rate **
    Nursing and personal care facilities, Year 1997 > Establishments 86
    Nursing and personal care facilities, Year 1997 > Employees 3,305
    Medicare program enrollment, Year 1999 > Total 114,456
    Medicare program enrollment, Year 1999 > Aged 101,428


    TABLE 5. Contra Costa County Education, Income, and Poverty
    Up Down Top
    Public school enrollment > Fall > Year 1998-1999 154,019
    Public school enrollment > Fall > Year 1994-1995 139,573
    Public school enrollment > Year 1990 128,542
    Educational attainment, 1990 > Persons 25 years and over 532,716
    Educational attainment, 1990 > High school graduate or higher > Number 460,645
    Educational attainment, 1990 > High school graduate or higher > Percent 86.50%
    Educational attainment, 1990 > Bachelor's degree or higher > Number 168,205
    Educational attainment, 1990 > Bachelor's degree or higher > Percent 31.60%
    Median household income > Year 1997 (dollars) 54,275
    Median household income > 1989 (dollars) 45,087
    Median household income > Percent change, 1989-1997 20.40%
    Persons below poverty level, Year 1997 > Number > Persons of all ages > Total 80,691
    Persons below poverty level, Year 1997 > Number > Persons of all ages > Net change, 1989-1997 22,824
    Persons below poverty level, Year 1997 > Number > Persons under 18 years 32,488
    Persons below poverty level, Year 1997 > Percent > Persons of all ages 8.70%
    Persons below poverty level, Year 1997 > Percent > Persons under 18 years 13.60%


    TABLE 6. Contra Costa County Crime Housing, and Building Permits
    Up Down Top
    Serious crimes known to police (as reported to the FBI) > Number > Year 1999 > Total 37,703
    Serious crimes known to police (as reported to the FBI) > Number > Year 1999 > Violent 4,453
    Serious crimes known to police (as reported to the FBI) > Number > Year 1999 > Property 33,250
    Serious crimes known to police (as reported to the FBI) > Number > Year 1990 48,122
    Serious crimes known to police (as reported to the FBI) > Year 1999 Crime rate > FBI population 931,652
    Serious crimes known to police (as reported to the FBI) > Year 1999 Crime rate > Rate 4,047
    Serious crimes known to police (as reported to the FBI) > Year 1990 Crime rate > FBI population 803,732
    Serious crimes known to police (as reported to the FBI) > Year 1990 Crime rate > Rate 5,987
    Housing, 2000 > Total units 354,577
    Housing, 2000 > Percent change, Year 1990-2000 12.10%
    Housing, 2000 > Occupied units > Number 344,129
    Housing, 2000 > Occupied units > Owner occupied > Number 238,449
    Housing, 2000 > Occupied units > Owner occupied > Percent 69.30%
    New private housing units authorized by building permits, 2000 > Number 5,479
    New private housing units authorized by building permits, 2000 > In structures with > One unit > Number 4,185
    New private housing units authorized by building permits, 2000 > In structures with > One unit > Percent 76.40%
    New private housing units authorized by building permits, 2000 > In structures with > Five units or more > Number 1,284
    New private housing units authorized by building permits, 2000 > In structures with > Five units or more > Percent 23.40%
    New private housing units authorized by building permits, 2000 > Valuation ($1,000) 965,154


    TABLE 7. Contra Costa County Personal Income and Earnings
    Up Top
    Personal income, Year 1998 > Amount ($1,000) > Year 1998 33,052,379
    Personal income, Year 1998 > Amount ($1,000) > Year 1990 21,769,539
    Personal income, Year 1998 > Percent change, Year 1990-1998 51.80%
    Personal income, Year 1998 > Per capita1 > BEA population, 1998 (July 1) for per capita income: 917,970
    Personal income, Year 1998 > Per capita1 > Amount (dollars) 36,006
    Personal income, Year 1998 > Per capita1 > Percent of national average 132.40%
    Personal income, Year 1998 > Transfer payments ($1,000) 2,966,841
    Personal income, Year 1998 > Earnings > Total ($1,000) 17,491,283
    Personal income, Year 1998 > Earnings > By selected industry > Goods related > Total > Amount ($1,000) 3,670,955
    Personal income, Year 1998 > Earnings > By selected industry > Goods related > Total > Percent 21.00%
    Personal income, Year 1998 > Earnings > By selected industry > Goods related > manufacturing > Amount ($1,000) 2,108,653
    Personal income, Year 1998 > Earnings > By selected industry > Goods related > manufacturing > Percent 12.10%
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Total > Amount ($1,000) 13,798,905
    Personal income, Year 1998 > Earnings > by selected industry > Service-related > Total > Percent 78.90%
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Retail trade > Amount ($1,000) 1,693,894
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Retail trade > Percent 9.70%
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Fire > Amount ($1,000) 2,172,230
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Fire > Percent 12.40%
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Services > Amount ($1,000) 5,493,124
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Services > Percent 31.40%
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Government > Amount ($1,000) 2,042,965
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Government > Percent 11.70%
    Manufacturing Earnings > Year 1998 ($1,000) 2,108,653
    Manufacturing Earnings > Year 1997 ($1,000) 1,870,941
    Manufacturing Earnings > Year 1996 ($1,000) 1,802,972




     









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