The U.S. Census Bureau

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Reference Resources
for Understanding Census Bureau Geography

Hierarchical Diagrams of Census Bureau Geography
  • American Indian Area/Alaska Native Area/Hawaiian Home Lands diagram [PDF]
  • Census Bureau Legal and Statistical Geographic Entities [PDF]

Census Regions and Divisions of the United States

Geographic Glosssaries and Guides

Geographic Area Criteria, Geographic Codes and Census Tract Resources

Cartographic and Geographic Information Systems

Census 2000 Reference Files

  • 2000 U.S. Gazetteer
    Places, ZIP Code Tabulation AreasTM, County Subdivision and County files extracted from Census 2000 SF1.
  • Census 2000 Tabulation Tallies
    Number of Census Tracts, Block Groups and Blocks by State and State Equivalent Area for Census 2000.

1990 Census Reference Files

Source: U.S. Census Bureau
Created: February 12, 2002
Last Revised: Friday, 10-Sep-2004 13:54:41 EDT