We are grateful to IPUMS National Historical Geographic Information System (NHGIS), members of the Committee on National Statistics’ (CNSTAT) expert group, who tabulated and formatted this new demonstration data file. You can cite this file as follows:

David Van Riper, Tracy Kugler, and Jonathan Schroeder. IPUMS NHGIS Privacy-Protected Census Demonstration Data, version 20200527 [Database]. Minneapolis, MN: IPUMS. 2020. https://www.nhgis.org/privacy-protected-demonstration-data