In an ongoing effort to understand COVID-19 transmission and improve clinical outcomes in our community, Lake County Public Health tracks demographic, geographic and clinical information about confirmed COVID-19 cases.
Public health officials and staff are monitoring data daily, and will update the website data on business days. Lake County Snapshot data will be updated every business day by 8:00 p.m. The demographic and testing data will be updated every week by Tuesday.
Please be aware that the data presented here is not real-time and may not reflect the most recent information.
COVID-19 Summary Data
Lake County Tier Status:
Widespread Transmisssion (Tier 1 / Purple)
February 6-13, 2021:
Daily case rate: 15.4 per 100,000
Testing positivity: 6.0% (7-day average)
These data are updated weekly by the CA Department of Public Health.
Many non-essential indoor business operations are closed.
All open businesses and industries must follow current California industry guidance.
To learn more, visit California's Blueprint for a Safer Economy.
Lake County Snapshot
Updated: February 23, 2021 at 1:28 PM
|Lake County Coronavirus Cases at a Glance|
*On February 22, there were 4 hospitalized patients in Lake County who were COVID-positive. This does not include Lake County residents who are COVID-positive and hospitalized in other counties. Lake County residents who are COVID-positive and hospitalized in other counties are counted in the county hospital data where they are hospitalized. This helps us understand hospital capacity by county and by region. (Source: California Department of Public Health)
new Cases in lake county, by week
Data Source: CalREDIE as of February 22, 2021.
Data Note: Information will change as COVID test results are received. This graph reflects the weekly count of the number of new cases identified per week (by episode date). Purple indicates the weekly tier status (widespread transmission).
Last Update: February 22, 2021 at 11:33 AM
Cases by Gender
|Gender||Cases||Percent of Total Cases|
Cases by Age Range
|Cases||Percent of Total Cases||Percent of County Population|
|75 and older||204||7%||8%|
Cases by Location
|District||District Total||Zip Code||Zip Code Total|
District 1: Middletown, Hidden Valley Lake, Anderson Springs, Lower Lake, portions of Clearlake
District 2: most of the City of Clearlake and areas east
District 3: Spring Valley, Clearlake Oaks, Clearlake Park (north of the City limits), Glenhaven, Lucerne, Nice, Upper Lake, Blue Lakes, Lake Pillsbury
District 4: Lakeport, Scotts Valley, Finley, Lampson Airport area, Rivera Heights, Highland Springs, most of Big Valley
District 5: Kelseyville (town and general area), Riviera West, Clearlake Riviera, Buckingham, Loch Lomond, Cobb
If you are uncertain what Supervisorial District you live in, visit the Lake County District Map, and enter your address.
Cases by Race & Ethnicity
These racial and ethnic categories are based on guidelines from the federal Office of Management and Budget (OMB) data collection standards.
|Number of Cases||Percent of Cases||Percent of County Population|
|Latino or Hispanic||1,207||44.6%||22.0%|
|White, non-Hispanic or Latino||1,187||43.8%||68.9%|
|American Indian or Alaska Native, non-Hispanic||159||5.9%||3.3%|
|Black or African American, non-Hispanic||35||1.3%||1.9%|
|Native Hawaiian or Other Pacific Islander, non-Hispanic||21||0.8%||<0.5%|
Cases by Source
Mode of Transmission, Lake County Residents through February 20, 2021 (N=2,563*)
of Total Cases
|Presumed Community Contact||751||29%|
|Confirmed Community Contact||163||6%|
(excludes congregate living situations)
|Congregate Living Settings||246||10%|
|Close Contact (other)||168||7%|
|Close Contact (unknown)||48||2%|
|Close Contact (school-associated)||16||1%|
*Missing data for mode of transmission was excluded from this table.
Last Update: February 22, 2021 at 11:35 AM
|Lake County Testing Positivity March 2020 through February 22, 2021|
|Result||Total Resulted||Percent of Tests|
A note about Lake County Testing data:
This data does not include pending tests, antibody tests or tests done at point-of-care providers. This data is not real-time. Delays may occur due to processing, reporting and recording times at state and local levels.
Positive: persons with a confirmed positive COVID-19 test by polymerase chain reaction (PCR).
Negative: tests with a non-positive result for COVID-19 by PCR.
Total tests: total number of negative tests and positive cases that have been completed and resulted to CalREDIE and healthcare partners by the performing lab.
Regional Intensive Care Unit (ICU) CapacityUpdated weekly.
Lake County is in the Northern CA region. As of February 23, the Northern CA region had 34% remaining ICU capacity.
Lake County Story Map
World & US Snapshot