2020 Census P.L. 94-171 block population and geography

Citation

U.S. Census Bureau. 2020 Census Redistricting Data (P.L. 94-171) Summary File and block geography.

How it is used

Validation-only. The official 2020 count and 2025 modeled WorldPop estimate have a five-year reference-date difference and are not expected to match exactly.

Used by

• General · United States populationValidation only

  Official 2020 national, state, and block evidence used for validation only.

• The Great Map · HomeValidation only

  Official 2020 national/state totals and seven predeclared block-geometry samples.

• The Great Map · HomeValidation only

  Validation-only; not blended into the visible WorldPop raster.

• American UnravelingValidation only

  Official 2020 national, state, and block evidence used for validation only.