Can you believe, Los Angeles County, officially the County of Los Angeles, in the Los Angeles metropolitan area of the U.S. state of California, is the single most populous county in the United States.
To date as of 2020, We have more than 10 million inhabitants as of 2018. L.A. is the largest non–state level government entity in the United States.
Los Angeles had an official population at the 2010 census of 3,792,621. The current population is estimated to be 3.99 million. Los Angeles, officially the City of Los Angeles but commonly known as L.A., is California’s most populous city and the second-most populous city in the country after New York City.
Sources include: United States Census Bureau