2007 California County Data Book | Home

Contra Costa, in the Greater Bay Area region of the state, is home to 262,807 children, ages 0-17, which is 3% of California's child population. Compared to other counties in the state, Contra Costa ranks as follows:

  • 20 out of 58 in the percentage of children with health insurance.
  • 7 out of 58 in the percentage of children, ages 3 and 4, enrolled in preschool.
  • 9 out of 58 in the percentage of elementary school students meeting state targets in English Language Arts.
  • 9 out of 58 in the percentage of elementary school students meeting state targets in Math.
  • 16 out of 58 in the percentage of high school students eligible to attend one of California's public universities.
  • 2 out of 58 in the percentage of children in low-income households.

View County Rankings or County Data by Race/Ethnicity

Contra Costa County

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Complete Report

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Notes and Sources

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Demographics Contra Costa County Greater Bay Area Region Statewide
Households with children under 18 years old 48% 48% 51%
Children who are in school 93% 91% 90%
Teens neither in school nor working 6% 7% 8%
Children who speak another language at home 29% 38% 44%
Children who are U.S. citizens 96% 94% 94%
*Not Available, **Multi-County Estimate
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Employment, Income and Poverty Contra Costa County Greater Bay Area Region Statewide
Per capita family income (dollar amount) $34,260 $35,946 $26,800
Households with at least one working parent 91% 92% 90%
Children living in poverty 11% 11% 19%
Households receiving food stamps 7% 5% 10%
*Not Available, **Multi-County Estimate
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Housing Contra Costa County Greater Bay Area Region Statewide
Fair Market Rent (dollar amount) $1,250 $1,301 $905
Housing costs as a percentage of household income 30% 28% 29%
People in overcrowded households 3% 4% 8%
*Not Available, **Multi-County Estimate
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Prenatal and Newborn Health Status Contra Costa County Greater Bay Area Region Statewide
Mothers receiving early prenatal care 87% 87% 86%
Low birthweight infants 7% 7% 7%
Teen birth rate (per 1,000) 23 24 37
*Not Available, **Multi-County Estimate
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Children's Health Status Contra Costa County Greater Bay Area Region Statewide
Children in good or excellent health 90% 92% 92%
Children diagnosed with asthma 21% 17% 16%
Children with regular access to a doctor 93% 91% 89%
*Not Available, **Multi-County Estimate
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Prenatal and Newborn Health Status by Race/Ethnicity African
American 		Asian Latino White Other
Mothers receiving early prenatal care 83% 90% 80% 92% 90%
Low birthweight infants 13% 7% 6% 6% 7%
Teen birth rate (per 1,000) 35 8 54 9 7
*Not Available, **Multi-County Estimate
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Children's Health Status by Race/Ethnicity African
American 		Asian Latino White Other
Children in good or excellent health 92% 85% 74% 98% 100%
Children diagnosed with asthma * * * 19% *
Children with regular access to a doctor 100% 95% 91% 93% 71%
*Not Available, **Multi-County Estimate
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Health Status by Age 0-5 6-11 12-18 0-18
Children in good or excellent health 90% 96% 86% 90%
Children diagnosed with asthma * 22% 27% 21%
Children with regular access to a doctor 100% 100% 82% 93%
*Not Available, **Multi-County Estimate
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Health Status by Family Income
(Percentage of Federal Poverty Level)		 Less than 100%
of FPL 		100 to 199%
of FPL 		200 to 299%
of FPL 		300% of FPL
and higher
Children in good or excellent health 76% 73% 81% 98%
Children diagnosed with asthma * * * 22%
Children with regular access to a doctor 87% 84% 97% 95%
*Not Available, **Multi-County Estimate
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Health Insurance Coverage Contra Costa County Greater Bay Area Region Statewide
Insured 95% 97% 93%
Not insured * 3% 7%
*Not Available, **Multi-County Estimate
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Health Insurance Coverage by Race/Ethnicity African
American 		Asian Latino White Other
Insured 100% 96% 78% 100% 100%
Not insured * * * * *
*Not Available, **Multi-County Estimate
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Health Insurance Coverage by Family Income
(Percentage of Federal Poverty Level)		 Less than 100%
of FPL 		100 to 199%
of FPL 		200 to 299%
of FPL 		300% of FPL
and higher
Insured 83% 80% 91% 100%
Not insured * * * *
*Not Available, **Multi-County Estimate
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Health Insurance Coverage by Age 0-5 6-11 12-18 0-18
Insured 94% 96% 94% 95%
Not insured * * * *
*Not Available, **Multi-County Estimate
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Dental Health Contra Costa County Greater Bay Area Region Statewide
Children with dental insurance 82% 83% 79%
Children who visited a dentist in the last year 85% 76% 80%
*Not Available, **Multi-County Estimate
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Dental Health by Race/Ethnicity African
American 		Asian Latino White Other
Children with dental insurance 91% 74% 67% 88% 76%
Children who visited a dentist in the last year 92% 79% 72% 91% *
*Not Available, **Multi-County Estimate
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Dental Health by Family Income
(Percentage of Federal Poverty Level)		 Less than 100%
of FPL 		100 to 199%
of FPL 		200 to 299%
of FPL 		300% of FPL
and higher
Children with dental insurance * 68% 82% 90%
Children who visited a dentist in the last year 69% 85% 84% 87%
*Not Available, **Multi-County Estimate
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Dental Health by Age 0-5 6-11 12-18 0-18
Children with dental insurance 85% 88% 75% 82%
Children who visited a dentist in the last year 65% 99% * 85%
*Not Available, **Multi-County Estimate
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Fitness and Nutrition Contra Costa County Greater Bay Area Region Statewide
Physically fit children 30% 31% 28%
Children who never exercise 77% 71% 71%
Children who ate fast food in the prior day 26% 26% 34%
Overweight children 28% 29% 33%
*Not Available, **Multi-County Estimate
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Fitness and Nutrition by Race/Ethnicity African
American 		Asian Latino White Other
Physically fit children 20% 37% 19% 37% 26%
Children who never exercise 78% 86% 67% 81% *
Children who ate fast food in the prior day * * 29% 25% *
Overweight children 36% 25% 40% 21% 31%
*Not Available, **Multi-County Estimate
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Fitness and Nutrition by Family Income
(Percentage of Federal Poverty Level)		 Less than 100%
of FPL		 100 to 199%
of FPL 		200 to 299%
of FPL 		300% of FPL
and higher
Children who never exercise 78% 63% 63% 83%
Children who ate fast food in the prior day * * * 21%
*Not Available, **Multi-County Estimate
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Fitness and Nutrition by Age 0-5 6-11 12-18 0-18
Children who never exercise 92% 72% 79% 77%
Children who ate fast food in the prior day * 29% 30% 26%
*Not Available, **Multi-County Estimate
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Children, Ages 0-4 Contra Costa County Greater Bay Area Region Statewide
Birth to age 3 38,421 281,733 1,582,911
Ages 3 and 4 29,276 193,575 1,103,980
*Not Available, **Multi-County Estimate
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Preschool Enrollment, Ages 3 and 4 Contra Costa County Greater Bay Area Region Statewide
Children in preschool or nursery school 57% 53% 42%
*Not Available, **Multi-County Estimate
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Licensed Child Care Centers Contra Costa County Greater Bay Area Region Statewide
Total number of licensed child care centers 372 737 10,106
Center spaces for infants 5% 6% 6%
Center spaces for children, ages 2-5 61% 67% 70%
*Not Available, **Multi-County Estimate
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Licensed Family Child Care Homes Contra Costa County Greater Bay Area Region Statewide
Total number of homes 1,463 3,288 37,388
Total spaces in homes 14,104 30,498 361,887
*Not Available, **Multi-County Estimate
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Children, Ages 0-4, by Race/Ethnicity African
American		 Asian Latino White Other
Birth to age 3 4,328 3,356 13,282 14,205 3,250
Ages 3 and 4 1,671 3,043 9,423 12,223 2,916
*Not Available, **Multi-County Estimate
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Children, Ages 0-4, by Family Income
(Percentage of Federal Poverty Level)		 Less than 100%
of FPL 		100 to 199%
of FPL		 200 to 299%
of FPL		 300% of FPL
and higher
Birth to age 3 3,852 7,109 5,144 22,316
Ages 3 and 4 2,595 4,725 3,617 18,339
*Not Available, **Multi-County Estimate
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Preschool Enrollment, Ages 3 and 4, by Race/Ethnicity African
American		 Asian Latino White Other
Children in preschool or nursery school 66% 51% 40% 71% 54%
*Not Available, **Multi-County Estimate
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Preschool Enrollment, Ages 3 and 4, by Family Income (Percentage of Federal Poverty Level) Less than 100%
of FPL 		100 to 199%
of FPL		 200 to 299%
of FPL		 300% of FPL
and higher
Children in preschool or nursery school 25% 30% 59% 68%
*Not Available, **Multi-County Estimate
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K-12 Enrollment Contra Costa County Greater Bay Area Region Statewide
Number of students in public K-12 schools 165,816 971,726 6,312,436
English Learners 16% 21% 25%
*Not Available, **Multi-County Estimate
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Student Achievement: 2nd-6th Grade Contra Costa County Greater Bay Area Region Statewide
Proficient or Advanced in English Language Arts 52% 52% 43%
Proficient or Advanced in Math 58% 59% 52%
*Not Available, **Multi-County Estimate
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Student Achievement: 7th-11th Grade Contra Costa County Greater Bay Area Region Statewide
Proficient or Advanced in English Language Arts 49% 49% 40%
Proficient or Advanced in Math 34% 36% 28%
*Not Available, **Multi-County Estimate
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Student Achievement: High School Contra Costa County Greater Bay Area Region Statewide
Percent of 10th -graders who passed the California High School English Exit Exam 83% 81% 77%
Percent of 10th-graders who passed the California High School Math Exit Exam 81% 80% 75%
Meet UC/CSU entrance requirements 37% 42% 35%
*Not Available, **Multi-County Estimate
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K-12 Enrollment by Race/Ethnicity African
American		 Asian Latino White Other
Number of students in public K-12 schools 19,573 22,419 43,076 74,025 6,723
*Not Available, **Multi-County Estimate
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Student Achievement: 2nd-6th Grade
by Race/Ethnicity		 African
American		 Asian Latino White Other
Proficient or Advanced in English Language Arts 27% 66% 30% 70% 49%
Proficient or Advanced in Math 31% 73% 39% 72% 57%
*Not Available, **Multi-County Estimate
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Student Achievement: 7th-11th Grade
by Race/Ethnicity		 African
American		 Asian Latino White Other
Proficient or Advanced in English Language Arts 22% 61% 27% 65% 45%
Proficient or Advanced in Math 11% 48% 16% 45% 25%
*Not Available, **Multi-County Estimate
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Student Achievement: High School
by Race/Ethnicity		 African
American		 Asian Latino White Other
Percent of 10th-graders who passed the California High School English Exit Exam 65% 89% 68% 93% 82%
Percent of 10th-graders who passed the California High School Math Exit Exam 54% 90% 66% 92% 75%
Meet UC/CSU entrance requirements 10% 48% 16% 48% 21%
*Not Available, **Multi-County Estimate
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K-12 Students by Language Fluency Fluent in English English Learner Redesignated Fluent
in English
Number of students in public K-12 schools 137,949 26,070 1,797
*Not Available, **Multi-County Estimate
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Student Achievement: 2nd-6th Grade
by Language Fluency		 Fluent in English English Learner Redesignated Fluent
in English
Proficient or Advanced in English Language Arts 61% 18% 69%
Proficient or Advanced in Math 64% 31% 70%
*Not Available, **Multi-County Estimate
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Student Achievement: 7th-11th Grade
by Language Fluency		 Fluent in English English Learner Redesignated Fluent
in English
Proficient or Advanced in English Language Arts 55% 5% 50%
Proficient or Advanced in Math 38% 8% 34%
*Not Available, **Multi-County Estimate
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Student Achievement: High School
by Language Fluency		 Fluent in English English Learner Redesignated Fluent
in English
Percent of 10th-graders who passed the California High School English Exit Exam 87% 40% 93%
Percent of 10th-graders who passed the California High School Math Exit Exam 84% 48% 90%
*Not Available, **Multi-County Estimate
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K-12 Students by Family Income Economically Disadvantaged Not Economically Disadvantaged
Number of students in public K-12 schools 50,097 115,719
*Not Available, **Multi-County Estimate
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Student Achievement: 2nd-6th Grade
by Family Income		 Economically Disadvantaged Not Economically Disadvantaged
Proficient or Advanced in English Language Arts 26% 66%
Proficient or Advanced in Math 35% 70%
*Not Available, **Multi-County Estimate
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Student Achievement: 7th-11th Grade
by Family Income		 Economically Disadvantaged Not Economically Disadvantaged
Proficient or Advanced in English Language Arts 22% 59%
Proficient or Advanced in Math 14% 41%
*Not Available, **Multi-County Estimate
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Student Achievement: High School
by Family Income		 Economically Disadvantaged Not Economically Disadvantaged
Percent of 10th-graders who passed the California High School English Exit Exam 63% 91%
Percent of 10th-graders who passed the California High School Math Exit Exam 60% 89%
*Not Available, **Multi-County Estimate