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Census Data and Boundaries (Historic)



The National Historical Geographic Information System (NHGIS) website recently is an incredibly valuable tool for historic demographics information.  You just need to register.

From their site:

The National Historical Geographic Information System (NHGIS) provides, free of charge, aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2000. NHGIS offers the following options to obtain data:

Using GIS Data on this site

GIS Data downloaded from this site generally requires GIS software to view. Click here for a list of GIS Data Viewers

GIS data available on this website is provided AS IS - please read the GIS Data Portal Terms of Use

Data Field Descriptions

GIS Source Information
Database Name:
Feature Class Name:
Feature Dataset Name (if applicable):
Reference Date: 1970 - 1990
Accuracy: TIGER
Update Frequency: Unknown
Access Constraints:None

Contact Information
See the site for contact information

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