Citation and Use of NHGIS Data

All persons are granted a limited license to use data and documentation from IPUMS NHGIS, subject to the following condition:

  • Publications and research reports based on the database must cite it appropriately. The citation should include the following:

Steven Manson, Jonathan Schroeder, David Van Riper, and Steven Ruggles. IPUMS National Historical Geographic Information System: Version 12.0 [Database]. Minneapolis: University of Minnesota. 2017.

  • For policy briefs or articles in the popular press, we recommend that you cite the use of NHGIS data as follows:

IPUMS NHGIS, University of Minnesota,

In addition, we request that users send us a copy of any publications, research reports, or educational material making use of the data or documentation. Printed material should be sent to:

Minnesota Population Center
University of Minnesota
50 Willey Hall
225 19th Ave S
Minneapolis, MN 55455

Send all electronic material to:

Supported By

Eunice Kennedy Shriver National Institute of Child Health and Human Development National Science Foundation University of Minnesota