This memorandum describes how administrative data was used in the 2020 Census. The intended use of administrative data and the expected sources of data evolved throughout the research and planning for the 2020 Census and their actual use was expanded during 2020 Census fielding. This report documents the final use of administrative data during the 2020 Census. It updates and can replace the similar “intended” use memo made public in 2020.
The 2020 Census Memorandum Series documents significant decisions, actions, and accomplishments of the 2020 Census Program for the purpose of informing stakeholders, coordinating interdivisional efforts, and documenting important historical changes.
A memorandum generally will be added to this series for any decision or documentation that meets the following criteria:
Visit 2020census.gov to access the Memorandum Series, the 2020 Census Operational Plan, and other information about preparations for the 2020 Census.