Map the Block › Places › California › Contra Costa County
Contra Costa County, California: crime rate, income and local data
Contra Costa County averaged 3.9 reported violent crimes per 1,000 residents a year in 2021-2025, 19% lower than the California rate (4.8). Median household income is $127,229 and the unemployment rate was 5.0% in August 2026. Population: about 1,165,012 (Census, 2020-2024).
Last updated . Crime: FBI 2021-2025. Income and housing: Census ACS 2020-2024. Unemployment: BLS August 2026. Road work: October 11, 2026.
Also on the map: income · hazard risk · Superfund · dams
What is the crime rate in Contra Costa County?
Police agencies in Contra Costa County reported an average of 4,539 violent crimes and 23,136 property crimes a year from 2021 to 2025. Per 1,000 residents, the violent-crime rate works out to 3.9: 19% lower than the California rate (4.8), and close to the national rate (3.7). For property crime the county rate is 19.9 per 1,000 (California: 21.2; U.S.: 18.1). Aggravated assaults make up 67% of the violent total. CDC death records show about 65 homicide deaths a year in the county (5.6 per 100,000), a count that includes cases police may classify differently.
| Offense (yearly average, 2021-2025) | Contra Costa County | Per 1,000 | California per 1,000 | U.S. per 1,000 |
|---|---|---|---|---|
| Violent crime | 4,539 | 3.9 | 4.8 | 3.7 |
| Murder | 41 | 0.04 | 0.05 | 0.06 |
| Rape | 310 | 0.27 | 0.37 | 0.40 |
| Robbery | 1,154 | 0.99 | 1.2 | 0.62 |
| Aggravated assault | 3,035 | 2.6 | 3.2 | 2.6 |
| Property crime | 23,136 | 19.9 | 21.2 | 18.1 |
| Burglary | 3,164 | 2.7 | 3.3 | 2.4 |
| Larceny-theft | 15,241 | 13.1 | 13.6 | 13.0 |
| Motor vehicle theft | 4,731 | 4.1 | 4.3 | 2.6 |
Most crime never reaches the police, so these are reported crimes, a floor rather than the full count. In 2024 about half of violent crimes (48%) and about 3 in 10 property crimes (31%) were reported to police (U.S. Justice Department, National Crime Victimization Survey). Rates also depend on how completely each agency reports to the FBI. County figures add up the city police and sheriff reports in the county (21 agencies; 100% of residents covered).
What is the median household income in Contra Costa County?
Half of households in Contra Costa County make more than $127,229 and half make less; across California the midpoint is $99,122. Owner-occupied homes have a median value of $866,800, and the median rent is $2,375 a month. 8.5% of households received SNAP benefits in the past year (state: 12.4%). The newest monthly figure from the Bureau of Labor Statistics is 5.0% for August 2026 (preliminary), with 28,703 people out of work and looking.
| Census ACS 2020-2024 | Contra Costa County | California | United States |
|---|---|---|---|
| Population | 1,165,012 | 39,287,377 | 334,922,499 |
| Median household income | $127,229 | $99,122 | $80,734 |
| Median home value (owner-occupied) | $866,800 | $734,700 | $332,700 |
| Median gross rent | $2,375 | $2,036 | $1,413 |
| Unemployment rate (2020-2024 average) | 6.5% | 6.6% | 5.2% |
| People below the poverty line | 8.4% | 12.0% | 12.5% |
| Households receiving SNAP (food stamps) | 8.5% | 12.4% | 12.1% |
| Adults 25+ with a bachelor's degree or higher | 45.2% | 37.1% | 35.7% |
| Homeowner households | 68.0% | 55.9% | 65.2% |
| Median age | 40.5 | 37.9 | 38.9 |
| Households with broadband internet | 95.6% | 93.5% | 91.0% |
| People without health insurance | 4.6% | 6.6% | 8.4% |
What natural hazards and environmental sites are in Contra Costa County?
FEMA's National Risk Index rates the overall natural-hazard risk for Contra Costa County as “Very High”. Of the seven hazards on our map, FEMA rates these highest: river flooding (Very High), heat waves (Relatively High) and earthquakes (Relatively High). The index compares counties with each other and also weighs how vulnerable and resilient a community is, so it is a long-run estimate, not a forecast.
Superfund sites
EPA lists 2 active Superfund sites (final or proposed) in Contra Costa County: Concord Naval Weapons Station and United Heckathorn Co.. 1 other site has finished cleanup and been taken off the list. A listing means EPA is managing a long-term cleanup; it does not by itself mean anyone is exposed today.
High-hazard dams
The National Inventory of Dams lists 24 high-hazard dams in Contra Costa County. None is rated Poor or Unsatisfactory; 22 are rated Satisfactory or Fair. Tallest on the list: Briones (273 ft) and Los Vaqueros (231 ft). “High hazard” describes what lies downstream (people would probably die if the dam failed), not how likely the dam is to fail.
Industrial chemical releases
34 facilities in the county filed Toxics Release Inventory reports for 2024, together reporting 3,013,114 pounds of listed chemicals released on site. Reported releases are legal permitted amounts in most cases.
Disasters, air and water
Contra Costa County was covered by 4 federal major disaster declarations from 2016 through 2025 (Flood 3, Severe Storm 1), not counting COVID-19. In 2024, 0 of 363 monitored days had an air quality index of “unhealthy for sensitive groups” or worse (EPA). Of 39 community water systems, 7 had an open health-based drinking-water violation in EPA's records (September 2026). EPA puts the county in radon zone 2 (moderate). NHTSA counted 66 traffic deaths in the county in 2024, including 18 pedestrians.
Is there road construction in Contra Costa County?
On October 11, 2026 the state transportation feed listed 1 highway work zone in Contra Costa County (active that day). Roads listed: I-580. 1 is on interstates. The map's construction layer is refreshed every morning.
See today's work zones on the map →
How many schools, nursing homes and parks are in Contra Costa County?
Contra Costa County has 278 public schools (2024-25) and 83 private schools (2023-24) in federal school lists. 30 nursing homes are certified by Medicare or Medicaid here; star ratings for each are on the map and on Medicare's Care Compare. USGS mapping shows 75 fire or EMS stations and 28 police or sheriff stations. National Park Service sites here: Eugene O'Neill National Historic Site, John Muir National Historic Site and Rosie the Riveter/World War II Home Front National Historical Park. 3 state parks or recreation areas: Franks Tract State Recreation Area, Marsh Creek State Historic Park and Mount Diablo State Park.
What tribal lands and sacred sites are in Contra Costa County?
Census tribal areas that reach into Contra Costa County: Lytton Rancheria. 1 ancient or sacred site is on the map here: Mount Diablo. Many are sacred to living communities, so visit respectfully and follow posted rules.
Tribal areas are Census statistical boundaries, shown for reference; they are not legal boundaries.
See them on the map: tribal lands · sacred sites →
Gun shops, liquor stores and Planned Parenthood in Contra Costa County
Gun shops
5 gun shops with a public storefront are on the map in Contra Costa County, plus 13 more licensed dealers without a public storefront (not shown). On the ATF list: Antioch Armory INC (Antioch), Canyon Sports Wholesale INC (Martinez), City Arms East (Pleasant Hill), Glaser Arms (Brentwood) and Turner's Outdoorsman (Pittsburg).
Liquor stores
110 liquor stores are on the map in Contra Costa County: #3040 (Oakley), #3047 (Bay Point), 3 Star Food & Liquor (Concord), A-1 Liquor & Food (Pacheco), Alamo Liquors (Alamo), Antioch Liquor Beer Wine & Food (Antioch), Appian Food And Liquor (El Sobrante), Appian Liquors (Pinole) and 102 more.
Planned Parenthood
5 Planned Parenthood health centers are on the map in Contra Costa County: Planned Parenthood (Concord), Planned Parenthood Northern California-Hilltop-Richmond Health Center (Richmond), Planned Parenthood Northern California-San Ramon Center (San Ramon), Planned Parenthood Northern California-Walnut Creek Center (Walnut Creek) and Planned Parenthood Shasta Diablo Inc (Antioch).
See them on the map: gun shops · liquor stores · Planned Parenthood →
Sources: ATF licensee list (Sept 2026); state liquor licence lists, OpenStreetMap and Overture Maps (non-official); HHS Title X directory and CMS NPPES.
Common questions
What is the crime rate in Contra Costa County?
Contra Costa County averaged 4,539 reported violent crimes a year in 2021-2025, or 3.9 per 1,000 residents, 19% lower than the California rate (4.8). The property-crime rate was 19.9 per 1,000 (FBI Uniform Crime Reporting).
What is the median household income in Contra Costa County?
$127,229 (Census American Community Survey, 2020-2024 average), compared with $99,122 for California and $80,734 nationally.
What is the unemployment rate in Contra Costa County?
The newest monthly figure from the Bureau of Labor Statistics is 5.0% for August 2026 (preliminary), with 28,703 people out of work and looking.
What natural hazards affect Contra Costa County?
FEMA's National Risk Index rates the overall natural-hazard risk for Contra Costa County as “Very High”. Of the seven hazards on our map, FEMA rates these highest: river flooding (Very High), heat waves (Relatively High) and earthquakes (Relatively High).
Are there Superfund sites in Contra Costa County?
EPA lists 2 active Superfund sites (final or proposed) in Contra Costa County: Concord Naval Weapons Station and United Heckathorn Co.. 1 other site has finished cleanup and been taken off the list.
Is there road construction in Contra Costa County right now?
On October 11, 2026 the state transportation feed listed 1 highway work zone in Contra Costa County (active that day). Roads listed: I-580. 1 is on interstates.
How many nursing homes are in Contra Costa County?
30 Medicare- or Medicaid-certified nursing homes (CMS provider data, September 2026).
How does Contra Costa County compare with neighboring counties?
| County | Population | Violent crimes per 1,000 (2021-25) | Median household income |
|---|---|---|---|
| Alameda County | 1,649,473 | 8.5 | $129,367 |
| Sacramento County | 1,594,006 | 5.2 | $92,175 |
| San Joaquin County | 797,334 | 6.5 | $92,179 |
| Solano County | 451,918 | 5.1 | $100,401 |
Cities in Contra Costa County with their own page: Concord, Antioch, Richmond, San Ramon, Pittsburg, Walnut Creek, Brentwood.
More: California statewide numbers · Sex-offender registry search (U.S. Justice Department, NSOPW)
Where do these numbers come from?
- Crime: FBI Uniform Crime Reporting 2021-2025 (agency level, Return A), averaged and summed by county by Map the Block; Census population; state and national rates: FBI estimated crimes 2021-2025.
- Income, housing, education: U.S. Census Bureau, American Community Survey 2020-2024 5-year, table B19013 (median household income) and related tables.
- Monthly unemployment: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics (LAUS), county data, not seasonally adjusted. Public domain.
- Hazards: FEMA National Risk Index v1.20 (December 2025), county scores; disasters: FEMA OpenFEMA Disaster Declarations Summaries.
- Superfund: U.S. EPA, Superfund site boundaries and NPL status (October 2026). Dams: U.S. Army Corps of Engineers, National Inventory of Dams (public map service, October 2026). Chemical releases: U.S. EPA Toxics Release Inventory, reporting year 2024 (basic data file).
- Air and water: U.S. EPA AirData, annual AQI by county 2024; EPA Air Quality Design Values 2023-2025 (June 2026); U.S. EPA SDWIS via ECHO drinking-water download (September 30, 2026). Traffic deaths: NHTSA Fatality Analysis Reporting System (FARS) 2024; Census population.
- Work zones: State departments of transportation, via the U.S. DOT Work Zone Data Exchange (WZDx) and state 511 feeds; refreshed every morning (snapshot October 11, 2026).
- Schools: National Center for Education Statistics, EDGE public school locations 2024-25; budgets: U.S. Census Bureau, Annual Survey of School System Finances, fiscal year 2024; National Center for Education Statistics, EDGE Private School geocodes (Private School Survey 2023-24). Nursing homes: U.S. Centers for Medicare & Medicaid Services, Nursing Home Provider Information and Penalties (September 2026). Stations: U.S. Geological Survey, National Structures Dataset (Fire Stations/EMS Stations), October 2026 pull.
- Parks: USGS Protected Areas Database of the U.S. (PAD-US 4.1); state park agencies' open data (CA, NY, PA, TN, TX, FL, NJ, KY, HI, UT, MT and others); OpenStreetMap contributors for some hours, phones, fees and camping; U.S. National Park Service: unit boundaries (Land Resources Division), Acreage Report (Sept 30, 2026), park pages on nps.gov (hours, fees), Visitor Use Statistics (2025).
Map the Block shows public statistics about places, not people, and does not rate or rank neighborhoods as places to live. Figures are as published by each source; check the source before relying on a number.
Home · Open the map · All places · About the data · Privacy · Terms