All legal boundaries and names are as of January 1, 2020. Released February 2, 2021.

The 2020 ZIP Code Tabulation Areas (ZCTAs) (5-digit) were delineated using 2020 Blocks and have been added to this product. The county-level Topological Faces (Polygons With All Geocodes) have been updated with a new ZCTA520 field containing the GEOCODE for the 2020 ZTCAs. Released August 6, 2021.

The 2020 tabulation blocks in this product are updated to include the 2020 Census population and housing unit counts. The updated file record layout for the 2020 tabulation blocks can be found on the TIGER/Line Shapefiles Technical Documention page. Population counts from the 2020 Census are subjected to random noise as part of the Disclosure Avoidance System (DAS) efforts to protect the privacy of our survey respondents. All questions on the disclosure avoidance methodologies of the Census Bureau can be directed towards: ced.drb.coordinator@census.gov. Released February 23, 2022.

The 2020 Public Use Microdata Areas were delineated using 2020 Blocks and have been added to this product. The county-level Topological Faces (Polygons With All Geocodes) have been updated with a new PUMACE20 field containing the GEOCODE for the 2020 Public Use Microdata Areas. Released August 9, 2022.

The 2020 Urban Areas were delineated using 2020 Blocks and have been added to this product. Released January 6, 2023.

User note on Congressional and State Legislative Districts in Geographic Products.

The 2020 Census Redistricting Data (P.L. 94-171) Shapefiles are available for all 50 states, the District of Columbia, and the Commonwealth of Puerto Rico. Released January 19, 2021 - February 11, 2021.

Learn more about the Redistricting Data Program.

User note on Congressional and State Legislative Districts in Geographic Products.