The 2023 PDB contains select 2017-2021 ACS 5-year estimates including the ACS tract level self-response rates, 2020 Census operational variables, and select Census variables typically found on the PDB. It does not contain a Low Response Score (LRS). Data are available at both the tract and block group levels. The 2023 PDB uses 2020 Census tract and block group geographies.

• API Call: api.census.gov/data/2023/pdb/blockgroup
• Examples: api.census.gov/data/2023/pdb/blockgroup/examples.html
• Geographies: api.census.gov/data/2023/pdb/blockgroup/geography.html
• Variables: api.census.gov/data/2023/pdb/blockgroup/variables.html
• Example Call: Shows the total population in the 2017-2021 5-year ACS for every block group in Autauga County, Alabama for Tract 20100

api.census.gov/data/2023/pdb/blockgroup?get=State_name,County_name,Tot_Population_ACS_17_21,Tot_Population_ACSMOE_17_21&for=block group:*&in=state:01+county:001+tract:020100&key=YOUR_KEY_GOES_HERE

• API Call: api.census.gov/data/2023/pdb/tract
• Examples: api.census.gov/data/2023/pdb/tract/examples.html
• Geographies: api.census.gov/data/2023/pdb/tract/geography.html
• Variables: api.census.gov/data/2023/pdb/tract/variables.html
• Example Call: Shows the total population in the 2017-2021 5-year ACS for every tract in Autauga County, Alabama

api.census.gov/data/2023/pdb/tract?get=County_name,State_name,Tot_Population_ACS_17_21,Tot_Population_ACSMOE_17_21&for=tract:*&in=state:01+county:001&key=YOUR_KEY_GOES_HERE

Statistics downloaded from data.census.gov received clearances from the Disclosure Review Board before being posted. No clearance number is required at this time for such information products. When presenting packages to the DRB that include such data, their provenance must be documented to the satisfaction of the DRB.

The Census Bureau has reviewed this data product to ensure appropriate access, use, and disclosure avoidance protection of the confidential source data used to produce this product (Data Management System (DMS) number: P-7501505, Disclosure Review Board (DRB) approval number: CBDRB-FY2024-0185, CBDRB FY24 0045).