American Community Survey

• Data Releases
  • 2011 Data Release
    • Product Changes
    • Release Schedule
      • ACS Briefs
  • Special Data Release
    • Groups and Geographies
    • Comparing with Decennial
  • 2010 Data Release
    • Product Changes
    • Release Schedule
    • ACS Briefs
  • 2009 Data Release
    • 5-Year Release Details
    • ACS Briefs
    • ACS Maps
    • Product Changes
    • Release Schedule
  • 2008 Data Release
    • Product Changes
    • Release Schedule
  • 2007 Data Release
    • Release Schedule
• Data Product Descriptions
• Documentation
  • User Notes
  • Errata
• Geography
  • Areas Published
  • Release Notes (2011)
    • 2010
    • 2009
  • Reference Maps
  • Other Mapping Resources
• Downloadable data via FTP
• Summary File
• Public Use Microdata Sample (PUMS)
  • About PUMS
    • Pretabulated Data vs. Microdata
    • Confidentiality of PUMS
    • PUMS Record Format
    • Re-released Files
  • PUMS Data
  • PUMS Documentation
  • PUMS on DataFerrett
  • PUMS FAQs
• Custom Tabulations
  • Request Form

PUMS FAQs

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I am using the American Community Survey (ACS) Public Use Microdata Sample (PUMS) data, and I see a geographic area called PUMA. What are Public Use Microdata Areas (PUMAs)? (FAQ 1673)

I'm using the American Community Survey (ACS) Public Use Microdata Sample (PUMS) files. Why don't my estimates match what's published on American FactFinder (AFF)? (FAQ 911)

What geographic areas are identified in the American Community Survey (ACS) Public Use Microdata Sample (PUMS) file? (FAQ 1659)

I am using the American Community Survey (ACS) Public Use Microdata Sample (PUMS) files. Is it possible to identify the month (or season, school year, etc) when a respondent completed the survey? (FAQ 1657)