The annual population and housing unit estimates are released on a flow basis throughout the year, beginning with the national and state total estimates release in December and ending with the release of population estimates for the nation, states, and counties by demographic characteristics during the following summer.

The latest full vintage available is the Vintage 2021 estimates series. This series is developed from a base that incorporates the 2020 Census, Vintage 2020 estimates, and 2020 Demographic Analysis estimates. For population estimates methodology statements, see https://www.census.gov/programs-surveys/popest/technical-documentation/methodology.html.

The 2010 to 2020 Intercensal Estimates will become the official estimates for the 2010-2020 decade and are currently scheduled to become available in 2023 (specific timeline for release forthcoming). They are produced by modifying the Vintage 2020 estimates to account for differences between these estimates and the results of the 2020 Census. The result is a consistent time series from the 2010 Census to the 2020 Census. For more information on the Intercensal Estimates, please see the 2000-2010 Methodology Statement.

The release schedule for the Vintage 2022 estimates appears below.

Population Detail	Latest Data Available	Date of Next Release*
National and State population and demographic components of population change	7/1/2022	December 2023 (7/1/2023 data)
Puerto Rico Commonwealth population and demographic components of population change	7/1/2022	December 2023 (7/1/2023 data)
National, State, and Puerto Rico Commonwealth population age 18 and over	7/1/2022	December 2023 (7/1/2023 data)
County population and demographic components of population change	7/1/2022	March 2024 (7/1/2023 data)
Metropolitan and micropolitan statistical area population	7/1/2022**	March 2024 (7/1/2023 data)
Puerto Rico municipio population	7/1/2022	March 2024 (7/1/2023 data)
National population by age and sex	7/1/2022	April 2024 (7/1/2023 data)
City and town (incorporated place and minor civil division) population	7/1/2022	May 2024 (7/1/2023 data)
National, State, and County housing units	7/1/2022	May 2024 (7/1/2023 data)
National population by age, sex, race, and Hispanic origin	7/1/2021	June 2023 (7/1/2022 data)
State population by age, sex, race, and Hispanic origin	7/1/2021	June 2023 (7/1/2022 data)
Puerto Rico Commonwealth population by age and sex	7/1/2021	June 2023 (7/1/2022 data)
County population by age, sex, race, and Hispanic origin	7/1/2021	June 2023 (7/1/2022 data)
Puerto Rico municipio population by age and sex	7/1/2021	June 2023 (7/1/2022 data)

*Dates are subject to change.

**For Vintage 2022, the release of metropolitan and micropolitan statistical area population were delayed from March to May 2023 to facilitate the transition from counties to planning regions in the state of Connecticut. This data release was limited to total population and did not include the components of change. This change to the schedule and product availability only affected Vintage 2022.

Source: U.S. Census Bureau, Population Division
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