2010 Census U.S. Gazetteer Files Record Layouts

111th Congressional Districts File Record Layout

The 111th Congressional Districts file contains data for all 111th Congressional Districts in the 50 states, the District of Columbia and Puerto Rico as of the January 1, 2010. The file is tab-delimited text, one line per record.

Census Tract File Record Layout

The Census Tract file contains data for all 2010 Census Tracts in the 50 states, the District of Columbia and Puerto Rico as of the January 1, 2010. The file is tab-delimited text, one line per record.

Counties File Record Layout

The counties file contains data for primary legal divisions or statistically equivalent entities in the 50 states, District of Columbia and Puerto Rico as of the 2010 Census. The file is tab-delimited text, one line per record. Some records contain special characters.

County Subdivision File Record Layout

The county subdivision file contains data for all county subdivisions in the 50 states, District of Columbia and Puerto Rico as of the 2010 Census. The file is ASCII text, one line per record. Some records contain special characters.

School Districts - Elementary File Record Layout

The School Districts - Elementary file contains data for elementary school districts in 24 states as of the 2010 Census.  The states represented in the file are:  Arizona, California, Connecticut, Georgia, Illinois, Kentucky, Maine, Massachusetts, Michigan, Missouri, Montana, New Hampshire, New Jersey, New York, North Dakota, Oklahoma, Oregon, Rhode Island, South Carolina, Tennessee, Texas, Vermont, Virginia and Wisconsin.  The file is tab-delimited text, one line per record.

School Districts - Secondary File Record Layout

The School Districts - Secondary file contains data for secondary school districts in 19 states as of the 2010 Census.  The states represented in the file are:  Arizona, California, Connecticut, Georgia, Illinois, Kentucky, Maine, Massachusetts, Montana, New Hampshire, New Jersey, New York, Oregon, Rhode Island, South Carolina, Tennessee, Texas, Vermont and Wisconsin.  The file is tab-delimited text, one line per record.

School Districts - Unified File Record Layout

The School Districts - Unified file contains data for unified school districts in the 50 states, the District of Columbia and Puerto Rico as of the 2010 Census.  The file is tab-delimited text, one line per record.

State Legislative Districts - Lower Chambers File Record Layout

The State Legislative Districts - Lower Chambers file contains data for state legislative districts - lower chambers in the 49 states and Puerto Rico as of the 2010 Census.  Note:  Nebraska and the District of Columbia do not have state legislative district - lower chambers in the file.  The file is tab-delimited text, one line per record.

State Legislative Districts - Upper Chambers File Record Layout

The State Legislative Districts - Upper Chambers file contains data for state legislative districts - upper chambers in the 50 states, District of Columbia and Puerto Rico as of the 2010 Census. The file is tab-delimited text, one line per record. Some records contain special characters.

Place File Record Layout

The place file contains data for all incorporated places and census designated places (CDPs) in the 50 states, the District of Columbia and Puerto Rico as of the January 1, 2010. The file is ASCII text, one line per record. Some records contain special characters.

ZIP Code Tabulation Area File Record Layout

The ZIP Code Tabulation Area file contains data for all ZIP Code Tabulation Areas (ZCTAs) in the 50 states, the District of Columbia and Puerto Rico as of the January 1, 2010. The file is ASCII text, one line per record.

Urban Areas

The urban area file contains data for the urban areas in the 50 states, the District of Columbia and Puerto Rico as of the 2010 Census. The file is ASCII text, one line per record. Some records contain special characters.