The recently concluded U.S. federal government shutdown impacted ACS data release timelines. Once the 2024 ACS 1-year PUMS data are available, IPUMS will process and release them as quickly as possible.

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
Cancel