The Maxwell School
Online Mini Courses on Data Analytics
Intro to GIS
Links to the key download pages at the Census
TIGER/Line Shapefiles (tl)
These are the most detailed. Use the web interface link to select what you need.
Cartographic Boundary Shapefiles (cb)
Less detailed than TIGER/Line files but very suitable for thematic maps.
Census TIGER/Line Shapefile Documentation
Information about the fields in the attribute tables of the files.
Peter J Wilcoxen, The Maxwell School, Syracuse University