Monthly National Population Estimates by Age, Sex, Race, Hispanic Origin, and Population Universe for the United States: April 1, 2010 to December 1, 2020 (with short-term projections to December 2021)
With each new release of annual estimates, the entire time series of estimates is revised for all years back to the last census. All previously published estimates (e.g. old vintages) are superseded and archived on the FTP2 site.