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Resource Library
2020 ACS 1-Year Experimental Data Tables
Access the tables for the 2020 ACS 1-year experimental data release by clicking on the table titles below. These 54 tables cover social, economic, housing, and demographic characteristics, similar to the format of the ACS 1-year Supplemental Estimates. You can also view the materials under Supporting Documentation for additional information.
Supporting Documentation
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2020 ACS 1-Year Experimental Table ShellsTable shells display the layout of tables without the estimates or margins of error filled in.
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Code Lists, Definitions, and AccuracyView the detailed codes and definitions for variables, statistical testing, and an explanation of sample design, methodology, and accuracy for the ACS.
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Sample Size and Data QualityExplore ACS quality measures for the nation and states, including sample size, response rates, coverage rates, and item allocation rates.
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2020 ACS 1-Year Quality Measures TablesAccess quality measures tables for geographies other than nation and states as .csv files on the FTP site.
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2020 ACS 1-Year Accuracy of the DataA basic explanation of the sample design, estimation methodology, and accuracy of the data.
Page Last Revised - March 6, 2025
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