According to the homeless count numbers from LAHSA released in June 2020: 

 

Los Angeles County had 58,936 homeless people in January 2019, but in the year of 2020 the number rose to 66,433.

 

The city of Los Angeles counted 36,165 in 2019, and 41,290 in January 2020.

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https://abc7.com/coronavirus-covid19-homeless-los-angeles/6322218/#:~:text=the%20necessary%20resources.-,'',2019%2C%20and%2041%2C290%20in%20January

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About 568,000 people in the United States are experiencing homelessness, with 151,000 in California, 66,436 in Los Angeles County and 41,290 in Los Angeles, according to LAHSA's homelessness count last year (2020). This year's (2021) count was canceled due to the COVID-19 pandemic.
 

https://abc7.com/homeless-los-angeles-homelessness-rehoused/10432710/