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Table & Geography Changes

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

2012
  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011
  • 2010
  • 2009
  • 2008
  • 2007
2012

Table & Geography Changes

Geography Changes

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

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.

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