Record layouts for the 2010 Census Block Relationship Files.

Record layouts for the 2010 Census Tract relationship files which are state-based tabular files.

The record layout for the 2010 Census Tract to 2010 PUMA relationship file which is a nation-based tabular file.

Record layout for the nation-based, tabular Census Tract to American Indian Area relationship file.

The record layout for the Census Tract to Military Area relationship file which is a nation-based tabular file.

Record layouts for the text and Excel files listing urban areas and urban clusters.

Record layout for the 2010 Urban Area to 2000 Urban Area relationship file.

The record layouts for the 7 types of 2010 ZIP Code Tabulation Area (ZCTA) relationship files.

The record layouts for the 2020 American Indian/Alaska Native/Native Hawaiian Areas (AIANNH) relationship files.

Record layouts for the 2020 Census Block Relationship Files.

The record layouts for the 2020 comparability relationship files.

Record layouts for the 2020 Public Use Microdata Area (PUMA) Relationship Files.

Record layouts for the 2020 Urban Area Relationship Files.

The record layouts for the 6 types of 2020 ZIP Code Tabulation Area (ZCTA) relationship files.

The record layouts for the seven types of 2022 special Connecticut relationship files.

The record layouts for the three types of 2024 special Connecticut relationship files.

Record layouts and field definitions for the Block Assignment Files.

Record layouts for the 1990 to 2000 block relationship files and the 2000 collection to tabulation block relationship file.

Record layouts for the Census 2000 census tract relationship files.

The Record Layouts for Congressional District and State Legislative District Relationship Files.

The record layout for the Congressional Districts Relationship files.

The record layouts for core based statistical area relationship files.

Record layouts and field definitions for the County Adjacency File.

The record layout for the County Subdivision relationship file.

Record layouts for the 1990, 2000, 2010, and 2012 - 2024 Gazetteer Files.

The record layout for the Geographic Boundary Change Notes.

Record layouts and field definitions for the Name Lookup Tables.

The record layout for the Place Relationship file.

The record layout for the State Legislative District Relationship files.

Record layouts for the TIGER/Line with Selected Demographic and Economic Data contain the short name and a full description of each cell.

Record layouts for the Urban Area relationship files with counties, county subdivisions, places, CBSAs, NECTAs, and ZCTAs.