- Notes, data anomalies, and official cautions for California
- Data sources and screenshots for California
- Download a CSV of all data for California
- Last updated March 7, 2021 2:59 am ET
Data Reporting Assessment (Learn more about data quality assessments)
- Serious issues exist for state-level metrics
- Few issues exist for race and ethnicity data
- Few issues exist for long-term-care data
New tests Total PCR tests (specimens)
New deaths (Notes)
- Feb 25: On February 25, 2021, California included 806 older deaths from December 3, 2020 through February 3, 2021 which were not initialy recorded as COVID-19 deaths in their data.
We calculate daily changes based on the data states report each day. Some states report new cases, tests, and deaths using other methods. Please consult official state data sources for more information. We chart “New tests” using different units across jurisdictions, because not all states and territories report tests in the same units. Learn more about total test units and see what we chart for each jurisdiction in our total tests documentation.
We do not have a complete dataset for every metric in every state. If we have data for less than 30% of the past 90 days for a given metric, you’ll see a warning instead of a chart for that metric.
All the data for these charts is available for download. You can also review tabular national data on our US historical data page and data for each state and territory on the individual state or territory’s overview page.
Viral (PCR) testsCalifornia viral (PCR) testing Historical data
Viral (PCR) tests (HHS data)
Source: CELR data from states provided in line level format
This data is published by HHS. It may differ from state-provided data.
Antigen testsCalifornia antigen testing Historical data
Warning: Antigen reporting may significantly understate the true number of tests administered
Antibody testsCalifornia antibody testing Historical data
HospitalizationCalifornia hospitalization Historical data
Hospitalization (HHS data)
See this HHS hospitalization data on a map.
This data is published by HHS.
Long-term care (LTC)California long-term care data
from LTC facilities23.8%
Vaccinations administered through the Pharmacy Partnership for Long-Term Care Program
Race & ethnicity data
We compute the number of cases and deaths per 100k people for each race and ethnicity.
These numbers show the scale of outcomes compared to the size of each group’s population. These are not the number of cases or deaths, rather the proportion of each demographic group who have been affected.
Race & ethnicity: cases per capita
(All data is calculated)
Race & ethnicity: deaths per capita
(All data is calculated)
Our latest tweets about California
Our twitter handle is @COVID19Tracking
The 7-day average for COVID-19 cases in CA is down 89% since the peak on Jan 13.
March 2, 2021
CA reported 806 deaths which were not previously reported, most of which are from between Dec 3, 2020 and Feb 3, 2021. These additional deaths are included in the total number on https://t.co/TGZt3zOB7N
February 26, 2021
The number of people currently hospitalized with COVID-19 in the US is now below 100k for the first time since December 1. Almost all US states are seeing hospitalizations decline or flatten, and CA, FL, and TX all posted big drops today.
January 31, 2021
After many dark weeks, the situation in California is improving. Today's reported case count is the lowest since December 1st. Hospitalizations have fallen to levels last seen before Christmas. However: Reported deaths are a lagging indicator, but remain at record levels.
January 27, 2021
This week, CA surpassed 3 million COVID-19 cases, which means 1 in 13 Californians has tested positive since the start of the pandemic.
January 21, 2021