https://www.census.gov/quickfacts/losangelescitycalifornia
Population estimates, July 1, 2019, (V2019) 3,979,576: Population estimates base, April 1, 2010, (V2019) 3,793,139: Population, percent change - April 1, 2010 (estimates base) to July 1, 2019, (V2019) 4.9%: Population, Census, April 1, 2020: 3,898,747: Population, Census, April 1, 2010: 3,792,621: Age and Sex