Census Microdata API

You can find it in the API Discovery Tool for your dataset.

ACS 1-Year PUMS
  • ACS 1-Year PUMS
  • ACS 5-Year PUMS
  • CPS ASEC
  • CPS
  • CFS
  • VIUS
  • SIPP

ACS 1-Year PUMS

American Community Survey 1-Year Estimates Public Use Microdata Sample (2005-2019, 2021-2023)

2023 ACS 1-Year Estimates - Public Use Microdata Sample

2023 ACS 1-Year Estimates - Puerto Rico Public Use Microdata Sample

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Page Last Revised - August 7, 2025
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