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Relationship Files
Relationship Files
On this page:
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.
Census 2000 Tabulation Block to 2010 Census Tabulation Block Relationship Files
Census 2000 Tabulation Block to 2010 Census Collection Block Relationship Files
2010 Census Collection Block to 2010 Census Tabulation Block Relationship Files
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.
2010 Census Tract Relationship Files
Substantially Changed 2000 Census Tract Files
Substantially Changed 2010 Census Tract Files
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.
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
113th Congressional Districts
Congressional Districts by American Indian Areas
113th Congressional Districts - Text File
113th Congressional Districts - Comma Delimited File
Congressional Districts by Census Tract
113th Congressional Districts - Text File
113th Congressional Districts - Comma Delimited File
Counties by Congressional Districts
113th Congressional Districts
Congressional Districts by Counties
113th Congressional Districts - Text File
113th Congressional Districts - Comma Delimited File
Congressional Districts by County Subdivisions
113th Congressional Districts - Text File
113th Congressional Districts - Comma Delimited File
Congressional Districts by Places
113th Congressional Districts - Text File
113th Congressional Districts - Comma Delimited File
Congressional Districts by School Districts
113th Congressional Districts - Text File
113th Congressional Districts - Comma Delimited File
Congressional Districts by Urban/Rural Population and Land Area
113th Congressional Districts - Text File
113th Congressional Districts - Comma Delimited File
Congressional Districts by Zip Code Tabulation Areas (ZCTAs)
113th Congressional Districts - Text File
113th 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
2018 State Legislative Districts - Upper