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File Format and Record Layout for the 2010 Census Tract to 2010 PUMA Relationship File

The 2010 Census Tract to 2010 PUMA relationship file is a nation-based tabular file.

This relationship file identifies states and counties by FIPS (Federal Information Processing Series) codes for all 50 states, the District of Columbia, Puerto Rico, Guam, and the U.S. Virgin Islands. The file does not include the geographic names referenced by the FIPS codes. The Census Tract to PUMA relationship file is provided in a comma-delimited ASCII text file format.

The layouts for the Census Tract to 2010 PUMA Relationship File is provided below.

Column Name Maximum Length Column Description
STATEFP 2 State FIPS Code
COUNTYFP 3 County FIPS Code code
TRACTCE 6 Census Tract Code
PUMA5CE 5 PUMA Code

Source: U.S. Census Bureau | Geography | (301) 763-1128 |  Last Revised: January 27, 2014