Geographic Tools

GIS Boundary Files

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

Codes and Detailed Components by Area Type

2010 Decennial Census and 2012-onward ACS/PRCS

2000 samples and 2005-2011 ACS/PRCS

1990 samples

1970-1980 samples

Pre-1970 samples

Consistent PUMAs (ConsPUMAs)

  • 1980-2011 samples: CONSPUMA (includes boundary files)
  • 2000-onward samples: CPUMA0010 (includes boundary files)

Metropolitan areas, available in all years