Tracking the coronavirus in Contra Costa County

Tracking the coronavirus in Contra Costa County

confirmed cases
of residents are at least partially vaccinated
Tier 3

Coronavirus transmission in Contra Costa County is rated as moderate in the governor's reopening framework, which places it in Tier 3 and allows some businesses to open with modifications.

Over the last two weeks, the seven-day average of new cases has decreased 19.5%. Newly reported deaths have increased 100%.

The latest trends

The Contra Costa Health Services announces new cases and deaths each day, though bottlenecks in testing and reporting lags can introduce delays.

Experts say the true number of people infected is unknown and likely much higher than official tallies.

So far, 1 out of every 17 people in the county has tested positive. Over the past week, the county has averaged 69 new cases and 0.9 new deaths per day. The county does not provide a tally of how many people have recovered from COVID-19.

Seven-day averages offer a more stable view of the trend than daily totals. On the cases chart, gray bars mark when errors in a state computer system delayed the tabulation of new cases.

State and local officials are closely watching the latest figures as they weigh when and how to reopen. Over the last seven days, officials have reported 480 new cases, which amounts to 42 per 100,000 residents.

Mapping the cases

Cases have been reported in 31 of Contra Costa County's cities and communities.


So far, 58.1% of Contra Costa County residents have received at least one dose and 46.2% are fully vaccinated.

To date, 1,146,635 vaccine doses have been administered. Over the last seven days, an average of 9,344 doses per day have been given out.

Track coronavirus vaccinations in California

Explore the data tracking the state’s coronavirus vaccine supply to see how and where it has been distributed so far.

Hospitals and patients

There are now 28 patients admitted to county hospitals with a confirmed case of COVID-19, a change of 7.7% from two weeks ago. Of those, 9 are in an intensive care unit. More information about the strain placed on local hospitals can be found on The Times’s hospital tracker.

Track hospitals in California

Follow the data and look up the latest patient numbers and beds at hundreds of hospitals across the state.

Reopenings and restrictions

Gov. Gavin Newsom’s reopening system classifies counties into four tiers based on a set of metrics developed by state officials. Which tier a county falls in determines what can be reopened. Learn more about how the system works by consulting The Times’ reopening tracker.

Based on its current tier in the state framework, here’s what is allowed to open.

What's open where?

See how the governor has rated all 58 counties, and what that means for reopening, in our county reopening tracker.

School reopenings

Schools in Contra Costa County have reported that 36% of students have returned to campuses. Look up a district in the table below to see its opening status for elementary and secondary schools. Districts safety plans are hyperlinked where available.

Enrollment figures do not include charter schools that fall within district boundaries. California Department of Public Health. Times analysis.

Track school reopenings in California

Follow the progress of elementary, middle and high schools across the state as they return to in-person learning.


Shutdown orders have closed businesses and put thousands out of work. As parts of the economy reopen, some people have regained employment, though many remain jobless. The unemployment rate in Contra Costa County is 7.7%, lower than the state average.

Unemployment rate for all California counties
Bureau of Labor Statistics

How COVID-19 crushed California’s workforce

The coronavirus outbreak decimated California's economy. The Times is tracking the fallout as businesses begin to reopen.