A set of PDF files containing about 800 maps of data from the 2000 United States census. Most of the maps are at the county level, but data also are sometimes mapped by state, census tract (for largest cities and metropolitan areas), and for selected American Indian reservations.

The main sections are:

1. Introduction
2. Population Distribution
3. Race and Hispanic Origin
4. Age and Sex
5. Living Arrangements
6. Place of Birth and U.S. Citizenship
7. Migration
8. Language
9. Ancestry
10. Education
11. Work
12. Military Service
13. Income and Poverty
14. Housing