Using Dual Vintage PUMAs in the Microdata Access Tool

U.S. Census Bureau · March 30, 2026

A Census tutorial explaining how to use the microdata access tool (MDAT) to extract detailed, dual‑vintage PUMA estimates from the 2022 ACS 5‑year PUMS by creating two tables (2010 and 2020 PUMA boundaries) and combining their totals.

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