Contra Costa County, CA ZIP Codes

California (CA)  ·  52 ZIP codes  ·  30 cities
52
ZIP codes
1,161,413
population (2021)
+10.7%
pop change since 2010
06013
FIPS code
Contra Costa County ZIP code map
About Contra Costa County
Contra Costa County is located in California and contains 52 ZIP codes across 30 cities and communities. The county's population was 1,161,413 as of 2021, an increase of 10.7% from 1,049,025 in 2010. The timezone is Alaska Time (observes DST). The Federal Information Processing System (FIPS) code for Contra Costa County is 06013.
Population
2021 population1,161,413
2010 population1,049,025
Change+10.7%
County details
StateCalifornia
FIPS code06013
TimezoneAlaska
Daylight savingYes
Cities in Contra Costa County
ZIP codes for Contra Costa County, CA (52)
ZIP code City County Map
94505 Discovery Bay Contra Costa View map
94506 Danville Contra Costa View map
94507 Alamo Contra Costa View map
94509 Antioch Contra Costa View map
94511 Bethel Island Contra Costa View map
94513 Brentwood Contra Costa View map
94514 Byron Contra Costa View map
94516 Canyon Contra Costa View map
94517 Clayton Contra Costa View map
94518 Concord Contra Costa View map
94519 Concord Contra Costa View map
94520 Concord Contra Costa View map
94521 Concord Contra Costa View map
94522 Concord Contra Costa View map
94523 Pleasant Hill Contra Costa View map
94524 Concord Contra Costa View map
94525 Crockett Contra Costa View map
94526 Danville Contra Costa View map
94527 Concord Contra Costa View map
94528 Diablo Contra Costa View map
94529 Concord Contra Costa View map
94530 El Cerrito Contra Costa View map
94531 Antioch Contra Costa View map
94547 Hercules Contra Costa View map
94548 Knightsen Contra Costa View map
94549 Lafayette Contra Costa View map
94553 Martinez Contra Costa View map
94556 Moraga Contra Costa View map
94561 Oakley Contra Costa View map
94563 Orinda Contra Costa View map
94564 Pinole Contra Costa View map
94565 Pittsburg Contra Costa View map
94569 Port Costa Contra Costa View map
94570 Moraga Contra Costa View map
94572 Rodeo Contra Costa View map
94575 Moraga Contra Costa View map
94582 San Ramon Contra Costa View map
94583 San Ramon Contra Costa View map
94595 Walnut Creek Contra Costa View map
94596 Walnut Creek Contra Costa View map
94597 Walnut Creek Contra Costa View map
94598 Walnut Creek Contra Costa View map
94801 Richmond Contra Costa View map
94802 Richmond Contra Costa View map
94803 El Sobrante Contra Costa View map
94804 Richmond Contra Costa View map
94805 Richmond Contra Costa View map
94806 San Pablo Contra Costa View map
94807 Richmond Contra Costa View map
94808 Richmond Contra Costa View map
94820 El Sobrante Contra Costa View map
94850 Richmond Contra Costa View map

Demographics & statistics

1,153,211
Population
40.4
Median age
$129,265
Median household income
$58,877
Per capita income
$909,362
Median home value
$2,398
Median monthly rent
67.3%
Home ownership
9.5%
Poverty rate
5.6%
Unemployment
286,380
Housing units
47.9%
Bachelor's or higher

Age distribution

Male Female
30,421
Under 5
31,891
33,729
5–9
35,358
37,600
10–14
39,417
36,869
15–19
38,651
33,018
20–24
34,613
70,021
25–34
73,403
77,967
35–44
81,733
77,626
45–54
81,375
38,905
55–59
40,785
35,089
60–64
36,784
53,778
65–74
56,376
26,727
75–84
28,019
11,256
85+
11,800
← Male
Female →

Age summary

GroupCount%
Under 18255,96220.6%
18 and over897,24979.4%
65 and over187,95617.7%
Median age40.4 years

Race & ethnicity

White 38.7%
Hispanic or Latino 16.5%
Asian 15.3%
Other race 10.7%
Two or more races 10.3%
Black or African American 7.3%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.4%
GroupCount%
White535,34138.7%
Hispanic or Latino228,39816.5%
Asian211,66315.3%
Other race147,97410.7%
Two or more races142,90210.3%
Black or African American101,2427.3%
American Indian / Alaska Native8,3350.6%
Native Hawaiian / Pacific Islander5,7540.4%

Household income

Under $10k 3.2%
$10k–$15k 2.1%
$15k–$25k 3.5%
$25k–$35k 3.7%
$35k–$50k 6.1%
$50k–$75k 10.4%
$75k–$100k 10.0%
$100k–$150k 17.6%
$150k–$200k 12.9%
$200k+ 27.7%
Range% of households
Under $10k3.2%
$10k–$15k2.1%
$15k–$25k3.5%
$25k–$35k3.7%
$35k–$50k6.1%
$50k–$75k10.4%
$75k–$100k10.0%
$100k–$150k17.6%
$150k–$200k12.9%
$200k+27.7%
Median income$129,265

Housing

Home values

Under $50k 1.6%
$50k–$100k 0.8%
$100k–$150k 0.7%
$150k–$200k 0.7%
$200k–$300k 1.8%
$300k–$500k 10.7%
$500k–$1M 48.0%
$1M+ 33.0%

Housing overview

MetricValue
Median home value$909,362
Median rent / month$2,398
Owner occupied67.3%
Renter occupied30.0%
Vacant3.7%
Single-family detached66.9%
Large apartment buildings8.6%
Mobile homes1.3%
Median rooms5.7
Avg household size (owned)2.74

Year built

Era%
2020 or later0.3%
2010–20194.2%
2000–200910.2%
1990–199911.8%
1980–198915.0%
1970–197917.5%
1960–196913.1%
1950–195912.7%
1940–19496.6%
1939 or earlier5.8%

Bedrooms

Size% of units
No bedroom (studio)2.7%
1 bedroom7.9%
2 bedrooms21.0%
3 bedrooms32.7%
4 bedrooms24.8%
5+ bedrooms8.2%

Vehicles per household

Vehicles% of households
No vehicle4.8%
1 vehicle26.5%
2 vehicles36.8%
3 or more29.2%

Heating fuel

Fuel type%
Utility gas66.7%
Electricity25.4%
Propane / LP gas2.0%
Wood0.6%
Solar1.5%
No fuel used0.9%

Households & families

Household typeCount%
Married-couple family219,48753.4%
Cohabiting couple26,8586.6%
Male householder, no spouse58,39713.7%
Female householder, no spouse100,02323.7%
Households with children under 18144,18132.9%
Households with seniors (65+)133,75733.8%
Average household size2.70

Marital status

StatusMaleFemale
Never married36.2%31.8%
Married53.3%48.7%
Separated1.2%1.5%
Widowed2.3%7.3%
Divorced7.1%10.6%

Education

Less than 9th grade 4.1%
Some HS, no diploma 4.2%
HS graduate 16.1%
Some college, no degree 19.2%
Associate's degree 8.4%
Bachelor's degree 28.5%
Graduate / professional 19.5%
Metric%
HS diploma or higher91.6%
Bachelor's or higher47.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool16,1495.6%
Kindergarten14,1634.7%
Elementary school113,31537.2%
High school66,29622.6%
College / grad school79,61430.0%

Employment

Industry of employment

Education & healthcare 23.1%
Professional & management 17.4%
Retail trade 9.9%
Arts, food & hospitality 8.7%
Finance & real estate 8.0%
Construction 7.1%
Manufacturing 6.0%
Transportation & utilities 5.8%
Other services 4.7%
Public administration 4.2%
Information 2.4%
Wholesale trade 2.0%
Agriculture & mining 0.7%

Occupation

Category%
Management, business & arts50.0%
Service15.2%
Sales & office20.0%
Natural resources & construction6.4%
Production & transportation8.5%

Employment type

Type%
Private sector77.4%
Government14.7%
Self-employed7.7%
Unpaid family workers0.2%

Commute

Method%
Drive alone60.3%
Carpool9.0%
Public transit7.6%
Walk2.8%
Other means1.9%
Avg commute (minutes)35.9

Poverty

All people 9.5%
Under 18 years 8.8%
18 and over 9.1%
Married-couple families 2.9%
Female-led households 13.5%

Income support

Source% of households
Social Security30.6%
Retirement income26.4%
Supplemental Security4.5%
Cash public assistance2.4%
Food stamps / SNAP5.9%

Health indicators

Condition%
High blood pressure26.0%
High cholesterol28.7%
Heart disease4.9%
Stroke2.4%
Asthma9.3%
Arthritis20.8%
Kidney disease2.5%
Pulmonary disease4.8%
Cancer6.1%
Behavior / access%
Binge drinking17.9%
No physical activity17.8%
Less than 7 hrs sleep30.3%
Fair or poor health11.9%
Poor mental health13.1%
Poor physical health8.6%
No health insurance9.8%
Visited doctor (checkup)65.7%
Visited dentist70.8%
Cholesterol screening91.8%
Teeth loss8.2%

Veterans & disability

VeteransCount%
Civilian veterans41,3934.6%
Disability%
Any disability11.5%
Under 183.5%
18–64 years8.5%
65 and over32.4%

Health insurance coverage

Type%
Private insurance77.1%
Public insurance32.5%
Uninsured under 192.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,090,89995.1%
Spanish144,80511.4%
Other Indo-European78,2685.6%
Asian & Pacific Islander18,7751.8%
Other languages43,9113.8%

Place of birth & citizenship

OriginCount%
Native born (US)859,07276.8%
Born in same state840,10475.2%
Born in different state648,31856.2%
Foreign born18,9681.6%
Naturalized citizen294,13923.2%
Not a US citizen170,29762.1%

Ancestry

AncestryCount%
French87,3037.6%
Italian86,3647.5%
Arab27,5632.4%
Polish13,4691.2%
English8,7670.8%
AncestryCount%
Dutch6,1800.5%
Irish3,0580.3%
German2,7840.2%
Norwegian1,4060.1%

Technology access

Metric% of households
Computer access35.4%
Internet access94.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

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