Government Shutdown 2025 Monthly Data Status: September data are now available via IPUMS. October data were not collected. November data collection was extended and release of these data by the Census Bureau will be delayed.

Data Format and Structure (help)

Data Format

If you choose the "Fixed-width text (.dat)" data format, you will additionally receive Stata, SPSS, and SAS syntax files to load your fixed-width extract data file. Alternatively, you can receive your data in one of the formats listed below.






Data conversion supplied by Stat/Transfer

Data Structure
Cross-sectional
Longitudinal
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