The US population was an estimated 329 million on July 1, 2020, growing by 1.2 million in a year, according to newly released estimates from the Census Bureau. This annual growth was a decrease of 22% since 2019. The 0.4% annual growth rate is the lowest since 1918, the year of the Spanish flu pandemic.
The Census Bureau conducts various surveys, estimates, and counts that yield different results. The data comes from the Population Estimates Program, which annually estimates population on July 1. It is based on the 2010 census.