Current Census Bureau Estimates
The Census Bureau’s Population Estimates Program produces estimates of the population for the United States, states, counties, cities, and towns. Demographic components of population change (births, deaths, and migration) and characteristics (age, sex, race and ethnicity) are produced annually.
Census Bureau Estimates
Additional estimates for the nation, states, and counties by age, sex, race and ethnicity, and components of change (births, deaths, and migration) can be found on the U.S. Census Bureau, Population Estimates website.
The Census Bureau revised population estimates between the 2000 Census and the 2010 Census. These intercensal estimates can be found on their website.