Relationship Files
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Relationship Files

Geographic Relationships Over Time (Comparability)

These files show the relationships (comparability) for the same type of geography over different periods of time (e.g. the relationship between places in 2010 and places in 2000).

Block Relationship Files

The 2010 Census Block Relationship files are provided as a tool to help data users compare the universe of Census 2000 blocks to the universe of 2010 Census blocks.

Tract Relationship Files

The 2010 Census Tract Relationship files are provided as a tool to help data users compare the universe of Census 2000 tracts to the universe of 2010 Census tracts.

County Subdivision Relationship Files

The county subdivision relationship file provides a simple relationship between each 2010 Census county subdivision and its comparable Census 2000 county subdivision (if comparability exists) with an additional comments section to describe more detailed changes.

Place Relationship File

The place relationship file provides a simple relationship between each 2010 place (incorporated place, census designated place [CDP], or consolidated city) and its comparable 2000 place with an additional comments section to describe more detailed changes.

Urban Areas Relationships Files

The 2010 urban area relationship file describes the relationship between 2010 and Census 2000 urban areas.

Geographic Relationships Between Entity Types

These files show the relationship between different types of geography for the same time period (e.g. the relationships between congressional districts and places).

Congressional District Relationship Files

The Congressional District Relationship files provide simple relationships between the specified Congressional District and other Census 2000 and 2010 Census tabulation geography.

2010 Congressional District Relationship Files (Nation-based)

2010 Congressional District Relationship Files (State-based)

American Indian Areas by Congressional Districts

116th Congressional Districts


Congressional Districts by American Indian Areas

116th Congressional Districts

Text File

116th Congressional Districts

Comma Delimited File


Congressional Districts by Census Tract

116th Congressional Districts

Comma Delimited File


Counties by Congressional Districts


Congressional Districts by Counties

116th Congressional Districts

Comma Delimited File


Congressional Districts by County Subdivisions

116th Congressional Districts

Comma Delimited File


Congressional Districts by Places

116th Congressional Districts

Comma Delimited File


Congressional Districts by School Districts

116th Congressional Districts

Comma Delimited File


Congressional Districts by Urban/Rural Population and Land Area

116th Congressional Districts

Comma Delimited File


Congressional Districts by Zip Code Tabulation Areas (ZCTAs)

116th Congressional Districts

Comma Delimited File

State Legislative District Relationship Files

The State Legislative District Relationship files provide simple relationships between the specified state legislative district (upper house or lower house) and 2010 Census tabulation geography including American Indian areas, counties, county subdivisions, census tracts, places, school districts, urban/rural population and land area, and ZIP Code Tabulation Areas.

American Indian Areas by State Legislative Districts