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Now Available: 2020 Post-Enumeration Survey (PES) Results for the 50 states and District of Columbia.

2020 American Community Survey 1-Year Experimental Data Release

Due to the impact of the COVID-19 pandemic on data collection, the Census Bureau released experimental estimates and products from the 1-year American Community Survey data instead of the traditional 1-year estimates. For more information, visit the 2020 ACS 1-Year Experimental Data Release page.


A limited number of experimental data tables are available for the nation, states, and the District of Columbia. The data will not be available on

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Reports and Working Papers

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2020 American Community Survey 1-Year Experimental Data - Nov. 30, 2021 at 2 p.m. ET

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Impact of Pandemic on the American Community Survey - July 29, 2021 at 2 p.m. EDT

Resources for Data Users

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