Geographic Tools

Follow this link for all IPUMS-USA Boundary Files. We have produced electronic boundary files for the most commonly used areas.

The following links contain codes and detailed components of each type of area.

2012-onward ACS/PRCS

2000 samples and ACS/PRCS (2005-2011)

1990 samples

1970-1980 samples

Pre-1970 samples

Metropolitan areas, available in all years