Online Resource
Name & Link |
Access
|
Census Years
| What's
Available? | Smallest Geography | Relative Ease of Use |
|---|
| National Historical Geographic Information System (NHGIS) |
Public/Free |
1790-Present |
Download Data and GIS shapefiles |
Blocks |
Moderate |
| American Factfinder |
Public/Free |
2000-Present |
Download Data, Online Maps, Custom Profiles |
Blocks |
Moderate |
| TIGER/Line Geographic Data |
Public/Free |
1990-Present |
GIS shapefiles, geodatabases, web services |
Blocks |
Easy |
Longitudinal Tract Data Base (LTDB) from Brown University - (Normalized Data)
Project Website
LTDB GIS Geodatabase |
Public/Free |
2000/2010 |
Data download, GIS shapefiles |
Tracts |
Moderate |
