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2024 American Community Survey 1-year estimates are now available.

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Errata Notes

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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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Errata Note

Data Processing Error for 2024 ACS 1-Year Employment Tables

September 11, 2025

Errata Note 151
Errata Note

Data Collection Error for Internet Service in Scranton, Pennsylvania

October 17, 2024

Errata Note 145