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Table & Geography Changes

Table & Geography Changes

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Within Technical Documentation

Code Lists, Definitions, and Accuracy
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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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2012

Geography Changes

There are census tract numbering corrections and a change for 2010 Census tracts in Pima County, Arizona and Los Angeles County, California.

Get Details

The 2012 ACS data release marks the first time estimates based on 2010 Census definitions for Public Use Microdata Areas (PUMAs), Urban Areas, and Urban/Rural are available.