States By Population 2024. In 2023 was 339,996,563, a 0.5% increase from 2022. Usafacts uses census data to break down the us population by race, age, and more.
State population totals and components of change: Census bureau for the united states, states, metropolitan and micropolitan statistical areas, counties, cities, towns, as well as for puerto rico and its municipios can be found on the population estimates web page.