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2020 PUMS Data

2020 ACS 1-Year PUMS with Experimental Weights

The Census Bureau did not release its standard 2020 ACS 1-year Public Use Microdata Sample (PUMS) data because of the impacts of the COVID-19 pandemic. The PUMS data have been released with experimental weights and replicate weights and are available for the nation, regions, divisions, states, and Public Use Microdata Areas (PUMAs). Please visit the link below to be directed to the 2020 ACS 1-year PUMS with Experimental Weights. Here you can access the files as well as related technical documentation. The experimental PUMS files will not be released on data.census.gov.

2016-2020 ACS 5-year PUMS

The Census Bureau released the 2016-2020 ACS 5-year PUMS files as part of its standard release for the ACS 5-year products after determining the resulting data were fit for public release.

Access on FTP site

Access on data.census.gov

For PUMS documentation by year visit our PUMS Documentation page and select the specific year of interest.

Page Last Revised - March 28, 2022
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