Table & Geography Changes

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

2009
  • 2023
  • 2022
  • 2021
  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011
  • 2010
  • 2009
  • 2008
  • 2007

2009

Geography Changes

Changes in some County and County Equivalents.

Geographic Areas with Duplicate Names.

Exceptions to Vintage of Census Tracts and Block Groups.

Table Changes

Page Last Revised - August 7, 2024