Press Release | January 14, 2021 Census Bureau to Release 2020 Census Geographic Products 2020 Census redistricting (P.L. 94-171) geographic support products will be available on a flow basis starting Jan. 22 and ending no later than Feb. 28.

JAN. 14, 2021 - The U.S. Census Bureau announced today that 2020 Census redistricting (P.L. 94-171) geographic support products will be available for all states, the District of Columbia and Puerto Rico on a flow basis starting Jan. 19 and ending no later than Feb. 28.

These products consist of 2020 Census geography with the newly created 2020 Census blocks and updated block groups, census tracts, voting districts, and current boundaries for legal governments and school districts referenced to Jan. 1, 2020. Each state's package will include shapefiles, maps, block assignment files and name lookup tables. These products are provided to support redistricting efforts by state and local governments.

In addition, a 2010 to 2020 block crosswalk will be provided with each state release to assist data users in comparing geographic data between censuses. Shapefiles, maps, block assignment files, name lookup tables, and the crosswalk will be provided in the same format as the 2010 Census version of these files.

The Census Bureau uses geography as the basis for conducting the census and tabulating census data. Census geography is a key component of the data products for decision-makers and data users. The Census Bureau collects, defines and maintains boundaries for over 29 different categories of geographic areas for statistical purposes, but this variety of geographic areas are often important to other federal, state and local agencies as well. Many agencies rely on the Census Bureau boundaries for incorporated places, minor civil divisions and counties since they are updated and maintained each year.

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