County-level Census Bureau data covering income, housing, demographics, education, employment, and more. Counties are the primary administrative division in the U.S. and the most common unit for comparing local conditions across a state.
Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).
Quick Facts — Contra Costa County
- What is the median household income in Contra Costa County?
- The median household income in Contra Costa County is $158,357 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
- What is the poverty rate in Contra Costa County?
- The poverty rate in Contra Costa County is 2.3% (U.S. Census Bureau ACS 2023).
- What is the median home value in Contra Costa County?
- $393,900 (U.S. Census Bureau ACS 2023).
- What is the average rent in Contra Costa County?
- The median gross rent in Contra Costa County is $1,235 per month (U.S. Census Bureau ACS 2023).
- What percentage of Contra Costa County residents have a college degree?
- 52.5% of adults in Contra Costa County hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
9,613
Median Income
$158,357
Median Home Value
$393,900
Poverty Rate
2.3%
Unemployment (ACS 2023)
5.1%
Median Age
39.0 yrs
Since 2019
Median Income:
+$31,004 (+24.3%)
Home Value:
+$58,400 (+17.4%)
Poverty Rate:
+0.9 pp (+64.3%)
Bachelor's+:
+1.4 pp (+2.7%)
Unemployment:
+1.2 pp (+30.8%)
Demographics
Total Population
9,613
Median Age
39.0
Female
50.2%
Race & Ethnicity
Hispanic or Latino 4.4%
White (non-Hisp.) 86.8%
Black 0.6%
Asian 2.1%
Two or More 8.7%
Other 1.1%
Asian Subgroups (% of total pop.)
Filipino
0.5%
Chinese
0.4%
Vietnamese
0.2%
Indian
0.1%
Korean
0.1%
Hispanic Subgroups (% of total pop.)
Puerto Rican
1.2%
Mexican
0.3%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Income & Poverty
Median Household Income
$158,357
±$12,408
+$62,023 vs. state
Per Capita Income
$174,451
Median Family Income
$180,491
Poverty Rate
2.3%
-6.1 pp vs. state
Child Poverty Rate
1.0%
Working-Age Poverty Rate
—
SNAP Recipients
1.7%
Social Security Income
—
Retirement Income
25.9%
Household Income Distribution
< $10k
2.0%
$15–25k
2.6%
$25–35k
1.0%
$35–50k
4.2%
$50–75k
9.3%
$75–100k
12.6%
$100–150k
15.0%
$150–200k
16.5%
$200k+
36.6%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Housing
Total Housing Units
3,457
Owner-Occupied
92.8%
Renter-Occupied
7.2%
Vacancy Rate
5.9%
Median Home Value
$393,900
-$301,500 vs. state
Median Gross Rent
$1,235
Owner Cost Burden (30%+)
11.6%
Renter Cost Burden (30%+)
24.6%
Home Value Distribution
< $50k
1.0%
$50–100k
1.3%
$100–200k
0.3%
$200–300k
14.4%
$300–500k
55.0%
$500k–$1M
25.3%
$1M+
0.3%
Gross Rent Distribution
$500–1k
6.4%
$1–1.5k
54.5%
$1.5–2k
20.0%
$2–2.5k
16.6%
$3.5k+
2.6%
Vehicle Availability
No vehicle
2.1%
1 vehicle
17.5%
2 vehicles
42.2%
3+
38.2%
Housing Type
Single-fam. det.
88.7%
Single-fam. att.
3.5%
2–4 units
1.5%
5–19 units
1.2%
Mobile home
0.7%
Housing Age
Pre-1940
7.8%
1940–1969
3.6%
1970–1999
20.2%
2000–2009
12.8%
2010+
4.5%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Education
High School or Higher
97.7%
Bachelor's or Higher
52.5%
+16.0 pp vs. state
Graduate Degree
22.2%
Some College / Associate
16.0%
Less Than High School
0.5%
Enrolled in School
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Employment
Labor Force Participation
70.6%
Unemployment Rate
5.1%
-1.3 pp vs. state
Work from Home
21.0%
Self-Employed
6.2%
Government Workers
14.6%
Private For-Profit
79.2%
Industry
Edu/Health
26.7%
Finance
15.2%
Prof. Services
14.1%
Manufacturing
10.1%
Construction
7.2%
Retail
6.0%
Arts/Entmt.
5.5%
Public Admin
4.7%
Information
2.9%
Transportation
2.6%
Wholesale
1.6%
Agriculture
1.5%
Occupation
Management
57.2%
Sales
16.8%
Food Prep
11.9%
Construction
8.0%
Production
6.1%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Commute
Median Travel Time
29.1 min
Drove Alone
72.6%
Carpool
4.5%
Public Transit
0.0%
Work from Home
21.0%
Walked
1.0%
Bicycle
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Households & Families
Total Households
3,252
Avg. Household Size
2.00
Avg. Family Size
—
Married-Couple Households
69.5%
Single-Mother Households
—
Single-Father Households
—
Living Alone
—
Households with Children
32.2%
Multigenerational
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Age Distribution
Under 5
4.0%
5–9
8.7%
10–14
6.3%
15–19
8.5%
20–24
5.5%
25–34
9.2%
35–44
15.3%
45–54
14.6%
55–64
7.0%
65–74
8.0%
75–84
7.0%
85+
4.0%
Under 18: 25.7%
Working age (18–64): 74.3%
65 and over: 12.8%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Social Characteristics
Immigration
Foreign Born
9.2%
Naturalized Citizen
83.4%
Speaks English Less Than Very Well
2.9%
Foreign-Born Origin
Europe
65.3%
Asia
18.7%
Latin America
8.3%
Africa
2.1%
Veterans & Disability
Veteran
6.0%
With a Disability
9.4%
Cognitive Difficulty
—
Ambulatory Difficulty
—
Health Insurance
Insured
98.8%
Uninsured
1.2%
Employer Insurance
—
Medicaid
—
Medicare
—
Technology & Mobility
Broadband Internet
96.1%
Has a Computer
98.9%
Same House 1 Year Ago
89.4%
Moved from Abroad
0.0%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Compare Contra Costa County
Compare to another county →Where People Move From (IRS Migration Data)
Top origins of people who moved to Contra Costa County in 2023, by number of tax returns filed (IRS SOI Migration Data).
| Origin | Tax Returns | People (est.) |
|---|---|---|
| Alameda County | 7,141 | 12,831 |
| San Francisco County | 2,092 | 3,554 |
| Santa Clara County | 1,655 | 3,245 |
| San Mateo County | 1,313 | 2,428 |
| Solano County | 1,294 | 2,147 |
| Other flows - South | 965 | 1,650 |
| Los Angeles County | 877 | 1,306 |
| San Joaquin County | 747 | 1,366 |
| Sacramento County | 684 | 1,066 |
| Other flows - West | 519 | 806 |