SEPT. 30, 2025 – The U.S. Census Bureau today released the 2010-2020 Intercensal Estimates by demographic characteristics. Intercensal estimates are produced once every 10 years after the decennial census. They revise the prior decade's estimates to align with the most current census and are considered the preferred series of data for that decade.

Population estimates are available for the nation, states and counties by age, sex, race and Hispanic origin, and for Puerto Rico and its municipios by age and sex.

Intercensal estimates feature the estimates base (April 1, 2010), annual estimates (July 1, 2010 to July 1, 2019), and Census Day (April 1, 2020) counts.

A consistent time series of population estimates that reflects (or benchmarks to) the 2010 Census and 2020 Census counts is important for any study of the population over time. The intercensal estimates can be used to track trends in population changes or as denominators for calculating birth and death rates and other population characteristics.

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