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

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Table & Geography Changes

Table & Geography Changes

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Within Technical Documentation

Code Lists, Definitions, and Accuracy
Data Release Rules
Errata Notes
Table & Geography Changes
Table Shells and Table List
User Notes

Table & Geography Changes

Learn more about changes to tables and geography for each American Community Survey data release.

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2024

Table Changes

2024 ACS 1-Year Estimates

Geography Changes

2024 Geography Changes

View the various changes to Census geography this year, as well as information about geographic comparability and available vintages.