Geographic Tools and Resources

Boundary files, maps, component lists, and relationship files for geographic areas identified in IPUMS-USA samples

GIS Boundary Files

We provide GIS-compatible boundary files for the most commonly used geographic units.

Resources for Public Use Microdata Areas (PUMAs) & County Groups

Base PUMAs and County Groups
Areas Samples
2020 PUMAs 2022-2031 ACS/PRCS
2010 PUMAs 2010 Census & 2012-2021 ACS/PRCS
2000 PUMAs & Super-PUMAs 2000 Census & 2005-2011 ACS/PRCS
1990 PUMAs - 5% & 1% versions 1990 Census
1980 County Groups - 5% & 1% versions 1980 Census 5% State & 1% Metro
1970 County Groups 1970 Census Metro Forms 1 & 2
1960 PUMAs & mini-PUMAs 1960 Census 5%
Migration PUMAs
Areas Samples
2020 Migration PUMAs 2022-2031 ACS/PRCS
2010 Migration PUMAs 2010 Census & 2012-2021 ACS/PRCS
2000 Migration PUMAs & Super-PUMAs 2000 Census & 2005-2011 ACS/PRCS
Place-of-Work PUMAs
Areas Samples
2020 Place-of-Work PUMAs 2022-2031 ACS/PRCS
2010 Place-of-Work PUMAs 2010 Census & 2012-2021 ACS/PRCS
2000 Place-of-Work PUMAs & Super-PUMAs 2000 Census & 2005-2011 ACS/PRCS
Consistent PUMAs (ConsPUMAs)
Areas Samples
0010 ConsPUMAs 2005-2021 ACS/PRCS
2010 Census 10%
2000 Census 5%
1980-1990-2000 ConsPUMAs 2005-2011 ACS/PRCS
2000 Census 5%
1990 Census 5%
1980 Census 5%

Resources for Metropolitan Areas

Overview: IPUMS USA variables for metropolitan areas

Metropolitan area delineations and correspondence information
Areas Corresponding Variable Samples
2023 Metropolitan Areas MET2023 2022-2031 ACS/PRCS
2013 Metropolitan Areas MET2013 2005-2031 ACS/PRCS
2010 Census 10%
2000 Census 5%
1850-2000 Metropolitan Areas METAREA 2005-2011 ACS/PRCS
1850-2000 Censuses

Resources for Other Areas

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