For the latest information on the 2020 Decennial Census
Differential Privacy and 2020 Census Data
For the latest information on the Census Bureau’s changes to its traditional confidentiality protection methods. Includes a a Fact Sheet comparing the new differential privacy with older disclosure avoidance methods. Further information is available from other sources including IPUMS, It is important to understand the impact of these changes when comparing data across years.
Census 2020 Redistricting Data hosted at NHGIS
The National Historic GIS repository also provides 2020 GIS boundary files, geographic crosswalks between 2010 and 2020 census blocks, and demonstration data to assess 2020 data quality due to changes in privacy protections implemented by the Census Bureau.
Census 2020 Redistricting Data by State at Ciser @ Cornell
On August 12, 2021, the Census Bureau released Public Law 94-171 data, or Redistricting data, in four parts per state. CISER @ Cornell has integrated these and made them available in convenient ready-to-use formats -- SAS, SPSS, Stata and CSV. SAS, SPSS and Stata Program files are also provided to read the CSV files.