Where to Go for Statistical Census Information
| Resource | Coverage Dates | Maps? | Contains GIS maps? | Can Build GIS maps? | Level data goes down to |
| Social Explorer CU | 1790-present | Yes | No | Yes, must combine with TIGER files from Census | Down to urban areas, depending on set |
| Geolytics (on CD and online, must use in the library) | 1970-2000 | Yes | Yes | N/A | Down to zip code, depending on set |
| American Factfinder | Two most recent decennial censuses | Yes, only prebuilt | No | Yes, must combine with TIGER files from Census | Down to zip code, depending on set |
