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2016-2020 American Community Survey 5-year estimates are now available, including the Public Use Microdata Sample (PUMS) Files and Variance Replicate Estimate (VRE) Tables.
- Census.gov /
- Our Surveys & Programs /
- American Community Survey (ACS) /
- Technical Documentation /
- Errata Notes
Errata Notes
Learn more about errors and/or corrections related to the American Community Survey. The notes are sorted by data collection year(s). If the errata note pertains to multiple years, the note will appear in the tab for each year.
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