Answer: U.S. Population Estimated at 334,233,854 on Jan. 1, 2023. This represents an increase of 1,571,393, or 0.47%, from New Year's Day 2022, and 2,784,573, or 0.84% since Census Day (April 1) 2020. The combination of births, deaths and net international migration increases the U.S. population by 1 person every 27 seconds.