The 2020 Census Self-Response Rate data in the public API are updated once daily at 3:00 pm Eastern seven days a week from March 20 to May 31. Starting on June 1, the data will be updated Monday through Friday with the final update on July 31. There will be no updates on Friday, July 3.

The data for the 2020 Census Self-Response Rate Map are available in the Census Bureau’s public API: https://www.census.gov/data/developers/data-sets/decennial-response-rates.html. See the Developers webpage on census.gov for API information and support. The data are also available in a comma-delimited file (.csv): https://www2.census.gov/programssurveys/decennial/2020/data/2020map/2020/.