The U.S. Census Bureau is the federal government’s largest statistical agency. We are dedicated to providing current facts and figures about America’s people and economy. Federal law protects the confidentiality of all the information the Census Bureau collects. All data published in this collection are shared for open access. Visit the Census website to learn more about the Census Bureau.

Visit the U.S. Census Bureau's Disclosure Avoidance Modernization page to learn more about the use of differential privacy in the 2020 Census.
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2010 Census Production Settings Redistricting Data (P.L. 94-171) Demonstration Noisy Measurement File (2023-04-03)
2010 Census Production Settings Redistricting Data (P.L. 94-171) Demonstration Noisy Measurement File (2023-04-03)
Nov 10, 2023 - 2010 Data Release
Abowd, John M.,; Ashmead, Robert; Cumings-Menon, Ryan; Garfinkel, Simson; Heineck, Micah; Heiss, Christine; Johns, Robert; Kifer, Daniel; Leclerc, Philip; Machanavajjhala, Ashwin; Moran, Brett; Sexton, William; Spence, Matthew; Zhuravlev, Pavel, 2023, "2010 Census Production Settings Redistricting Data (P.L. 94-171) Demonstration Noisy Measurement File (2023-04-03)", https://doi.org/10.7910/DVN/1OR2A6, Harvard Dataverse, V4
The 2010 Census Production Settings Redistricting Data (P.L. 94-171) Demonstration NoisyMeasurement File (2023-04-03) is an intermediate output of the 2020 Census Disclosure Avoidance System (DAS) TopDown Algorithm (TDA) (as described in Abowd, J. et al [2022] https://doi.org/10.1162/99608f92.529e3cb9 , and implemented in https://github.com/uscensu...
2010 Redistricting NMF 2023-11-10_Final.pdf
2010 Redistricting NMF 2023-11-10_Final.pdf
Nov 10, 2023 - 2010 Census Production Settings Redistricting Data (P.L. 94-171) Demonstration Noisy Measurement File (2023-04-03)
Adobe PDF - 177.9 KB - MD5: 361e0cf2aa7ec1fafcdecc637719ca0a
2010 Census Production Settings Redistricting Data (P.L. 94-171) Demonstration Noisy Measurement File (2023-04-03) README File, last updated November 10, 2023: Modifications to identifiers within the parquet metadata used to support internal tracking of source data.
pl94-ddps-nmf-parquetsw.zip
Nov 10, 2023 - 2010 Census Production Settings Redistricting Data (P.L. 94-171) Demonstration Noisy Measurement File (2023-04-03)
ZIP Archive - 16.2 GB - MD5: 60f2a9e2c56cc88332881a138940b08b
Main data files Zip archive. Use the previewer on the file page to see the individual files in the archive. Individual files can be downloaded there, so you don't have to download the entire 16GB zip.
2020 Census Redistricting Data (P.L. 94-171) Noisy Measurement File
2020 Census Redistricting Data (P.L. 94-171) Noisy Measurement File
Sep 15, 2023 - 2020 Data Release
Abowd, John M.,; Ashmead, Robert; Cumings-Menon, Ryan; Garfinkel, Simson; Heineck, Micah; Heiss, Christine; Johns, Robert; Kifer, Daniel; Leclerc, Philip; Machanavajjhala, Ashwin; Moran, Brett; Sexton, William; Spence, Matthew; Zhuravlev, Pavel, 2023, "2020 Census Redistricting Data (P.L. 94-171) Noisy Measurement File", https://doi.org/10.7910/DVN/5LAVKV, Harvard Dataverse, V2
The 2020 Census Redistricting Data (P.L. 94-171) Noisy Measurement File (NMF) is an intermediate output of the 2020 Census Disclosure Avoidance System (DAS) TopDown Algorithm (TDA) (as described in Abowd, J. et al [2022] https://doi.org/10.1162/99608f92.529e3cb9, and implemented in https://github.com/uscensusbureau/DAS_2020_Redistricting_Production...
2020 Redistricting NMF 2023-06-15 README.html
Sep 15, 2023 - 2020 Census Redistricting Data (P.L. 94-171) Noisy Measurement File
HTML - 306.0 KB - MD5: d5792a27fc885862b4be61acc12bb545
2020-pl94-nmf-parquets.zip
Jun 15, 2023 - 2020 Census Redistricting Data (P.L. 94-171) Noisy Measurement File
ZIP Archive - 15.2 GB - MD5: 54a85f4b34fbae14ed3a2fe7296e4c7d
Main data files Zip archive. Use the previewer on the file page to see the individual files in the archive. Individual files can be downloaded there, so you don't have to download the entire 15GB zip.
2020 Redistricting NMF Read Me.pdf
2020 Redistricting NMF Read Me.pdf
Jun 15, 2023 - 2020 Census Redistricting Data (P.L. 94-171) Noisy Measurement File
Adobe PDF - 212.0 KB - MD5: 0fad348432ce06598312c166d88dacf3
2020 Census Redistricting Data (P.L. 94-171) Noisy Measurement File README File
2020 Data Release(US Department of Commerce)
Jun 15, 2023
2010 Data Release(US Department of Commerce)
May 2, 2023
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