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Census Data Resources: Spatial Data for GIS Users

Subject Guide for Census Data Resources

Your Librarian

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Sheila Devaney
Research & Instruction Department
Main Library

Online Office Hours
By appointment:

Understanding Census Geography

  • As the boundaries of many census geographic units are based on population, the boundaries change between censuses.
  • The nation was not broken down into tracts, block groups, and blocks for all censuses. For example, there are many portions of North Carolina that were not broken down into tracts in 1980.

Resources for Understanding Census Geography

Geographic Areas Reference Manual (GARM)

How to Cite Spatial Data

Data Citation Guides

Citing Geospatial Data Resources from the University of Waterloo