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Census.govAmerican Community Survey › Data & Documentation: Public Use Microdata Sample (PUMS)About PUMS › Re-released Files
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Re-released Files

Several of the ACS PUMS files have been reissued since their initial release. Below is a list of each file that was reissued with the date of reissue and a brief description.

PUMS fileReissue DateBrief Description
2007-2009 ACS 3-Year PUMS 4/07/11All housing unit files replaced with corrections to select variables. Visit Errata #68.
2008 ACS 1-Year PUMS11/29/10National files in .csv format replaced. Visit Errata #66.
11/09/10All files replaced with corrections to select variables. Visit Errata #64.
11/03/09All files replaced with corrections to select variables. Visit Errata #49.
2006-2008 ACS 3-Year PUMS11/19/10All files replaced with corrections to select variables. Visit Errata #64.
2006 ACS 1-Year PUMS12/18/09Person files revised with a modified edit to the age variable. Visit Errata #65. (Updated 1/24/12)
2005-2007 ACS 3-Year PUMS11/19/10Person files revised with a modified edit to the age variable. Visit Errata #65. (Updated 1/24/12)
2005 ACS 1-Year PUMS11/09/10Person files revised with a modified edit to the age variable. Visit Errata #65. (Updated 1/24/12)
09/11/06All files replaced to add replicate weight variables. Visit Errata #27.
2004 ACS 1-Year PUMS11/09/10Person files revised with a modified edit to the age variable. Visit Errata #65. (Updated 1/24/12)
01/02/06All files replaced with corrections to select variables. Visit Errata #15.
2003 ACS 1-Year PUMS11/09/10Person files revised with a modified edit to the age variable. Visit Errata #65. (Updated 1/24/12)
1/2/2006All files replaced with corrections to select variables. Visit Errata #15.

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Source: U.S. Census Bureau | American Community Survey Office | Email ACS | Last Revised: December 04, 2014
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