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COVID-19 in Los Angeles County
Since Beginning of Pandemic


For historical purposes, also see: New COVID-19 cases and deaths reported each day in Los Angeles County, from Jan. 26, 2020, through Mar. 4, 2023


For spreadsheets (CSV files) of cumulative COVID-19 cases and deaths for Los Angeles County by community and date (from 2020 through Mar. 24, 2023), download:

-- Cumulative COVID-19 Cases and Deaths, by Community and Date.

Requires zip software to unzip files.


Also see: Influenza in Los Angeles County



Current Viral Season, 2025-2026

New COVID-19 CASES by Week in Los Angeles County

Each week ends on a Saturday. Updated each week on Saturdays, with the release of new data from Public Health.

COVID-19, Cases, Los Angeles County

Cumulative number of COVID-19 cases reported in 2025-2026 season (through Oct. 25, 2025): 625. Case numbers do not include data from the Long Beach and Pasadena health agencies. Keep in mind that many instances of COVID-19 infection today, if not most, are never reported to public health, but rather identified through at-home tests. Recovery is at home without ever visiting a medical facility.



COVID-19 DEATHS by Season in Los Angeles County

COVID-19, Deaths, Los Angeles County

Los Angeles Almanac charts.



HISTORICAL DATA, PAST VIRAL SEASONS

COVID-19 Season 2024-2025

COVID-19 CASES by Week in Los Angeles County, 2024-2025

COVID-19, Cases, Los Angeles County

Los Angeles Almanac chart.


Cumulative number of COVID-19 cases reported in 2024-2025 season: 5,141.



COVID-19 Season 2023-2024

COVID-19 CASES by Week in Los Angeles County, 2023-2024

COVID-19, Cases, Los Angeles County

Los Angeles Almanac chart.


Cumulative number of COVID-19 cases reported in 2023-2024 season: 92,568.



COVID-19 Season 2022-2023

COVID-19 CASES by Week in Los Angeles County, 2022-2023 (Season Complete)

COVID-19, Cases, Los Angeles County

Cumulative number of COVID-19 cases reported in 2022-2023 season: 328,634.


Note: Weekly cumulative numbers for weeks following April 1, through June 24, 2023, are Almanac estimated calculations. During this period, Public Health did not release numbers that would allow us to specifically calculate cumulative case numbers for weeks ending on Saturdays.



COVID-19 Season 2021-2022

New COVID-19 Cases by Week in Los Angeles County, 2021-2022

Click on chart below for larger image.

COVID-19, Cases, Los Angeles County

Click on chart above for larger image.

Los Angeles Almanac chart.


Cumulative number of COVID-19 cases reported in 2021-2022 season: 1,979,599.


COVID-19 Season 2020-2021

New COVID-19 Cases by Week in Los Angeles County, 2020-2021

COVID-19, Cases, Los Angeles County

Los Angeles Almanac charts.


Cumulative number of COVID-19 cases reported in 2020-2021 season: 1,204,957.



COVID-19 Season Mar. 2020 - Sep. 2020
(First Seven Months of Pandemic in Los Angeles County)

New COVID-19 Cases by Week in Los Angeles County, First Seven Months of 2020

COVID-19, Cases, Los Angeles County

Los Angeles Almanac chart.


Cumulative number of COVID-19 cases reported in 2019-2020 season: 280,806.




L.A.’S LAST PANDEMIC

The 1918-1919 Influenza Pandemic
A century before COVID-19, Los Angeles lived through its first global pandemic. There was much that was similar to this present one.


Time-Lapse Map Video of Coronavirus, Los Angeles County
Video shows early pandemic time-lapse spread of COVID-19 across Los Angeles County, from March 16, 2020, to July 22, 2020.


Sources:
Los Angeles County Department of Public Health
Long Beach Health Department
Pasadena Public Health Department


The first COVID-19 case in Los Angeles County, a foreign traveler passing through Los Angeles International Airport, was announced on January 26, 2020. The patient had recovered and no person-to-person transmissions of the virus had been connected to this person.


On March 9, 2020, Los Angeles County Public Health reported the county's first positive case of COVID-19, where the patient had an unknown source of exposure to the virus. This was considered the county's first case with no known direct connection to travel abroad. The second such case was reported a few days later on March 11.


On March 11, 2020, Los Angeles County Public Health reported the county's first virus-connected death. The patient was a 60-year-old female visitor from outside the county who had recently traveled outside the United States. The second such death was reported on March 19, 2020, in the Pasadena area.