User Guide
To get oriented with NHGIS, you can find webinars, a how-to guide, video tutorials, and other introductory resources through our User Guide page
Frequently Asked Questions
Find answers to the most common NHGIS questions on our FAQ page.
User Forum
You can find answers to many more questions about NHGIS by searching in our User Forum. You can also post a new question there, which an IPUMS staff member will answer... if a fellow NHGIS user doesn't answer first! Please provide all relevant details in your message so we can better address the problem.
Email Our Team
Feel free to send feedback, inquiries, or help requests via email to nhgis@umn.edu. We welcome suggestions and observations, praise or criticism, about any NHGIS features, data, or documentation. Our team is also ready to help with any questions you have about acceptable use of NHGIS data or about NHGIS sources, methods, features, or plans.
Updates
NHGIS continually makes updates to our data, documentation, and website. We report all substantial updates in the Revision History. We also email all registered NHGIS users whenever there's a major update. If you haven't registered yet and would like to receive our news mailings, you can register here.
Mailing address
IPUMS NHGIS
Institute for Social Research and Data Innovation
University of Minnesota
50 Willey Hall
225 19th Ave S
Minneapolis, MN 55455
Phone & Fax
Phone: 612-624-5818
Fax: 612-626-8375