U.S. Census Bureau refreshes Microdata Access Tool with streamlined interface, group and recode features

Feb 5, 2026

In a tutorial, Maria Valdisera demonstrated the U.S. Census Bureau’s refreshed Microdata Access Tool (MDAT), highlighting a new shorter URL (data.census.gov/app/mdat), URL migration for saved beta links, group creation for PUMAs, custom recodes for variables such as age, and unchanged CSV/JSON download options.

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Maria Valdisera, presenter, demonstrated the U.S. Census Bureau’s refreshed Microdata Access Tool (MDAT), saying the site adopts the look and feel of data.census.gov and shortens table URLs to make saved tables easier to open. "The new URL is data.census.gov/app/mdat," she said, and showed how a 'microdata' button on data.census.gov links directly to MDAT.

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