IPUMS Data Updates: USA, NHGIS, and CPS

Posted: 1/8/2026 ()

IPUMS announces the release of the 2024 1-year data from the American Community Survey (ACS) through IPUMS USA and IPUMS NHGIS

IPUMS USA: The 2024 1-year American Community Survey (ACS) and Puerto Rico Community Survey (PRCS) Public Use Microdata Sample (PUMS) data are now available via IPUMS USA. This release includes updates to RACE with new detailed codes for Black/African American and White groups.

IPUMS NHGIS: NHGIS has added the 2024 1-Year ACS Summary File, including over 1,400 data tables for geographic areas with 65,000 or more residents.

IPUMS CPS: We have updated the Supplemental Poverty Measure variables for the 2014-2016 ASEC samples to use revised versions released by the Census Bureau. These revisions reflect broader changes to the SPM variables that were introduced with the 2017 ASEC.