U.S. Department of Commerce
Census 2000 Gateway  |  Glossary
Link to Census 2000 Gateway 5-Percent Public Use Microdata Sample (PUMS) Files

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PUMS files have state-level Census 2000 data containing individual records of the characteristics for a 5 percent sample of people and housing units.

The PUMS files contain geographic units known as super-Public Use Microdata Areas (super-PUMAs) and Public Use Microdata Areas (PUMAs). Each super-PUMA contains a minimum population of 400,000 and each PUMA contains a minimum population threshold of 100,000. Geographic equivalency files that show the relationship between the PUMA and standard Census 2000 geographic concepts (e.g., counties, etc.) are included.

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# FTP Download:   All Files (datasets and equivalency files) #
# Documentation:   Technical Documentation [PDF]
FTP Read me (MSWord)
- Ancestry [Excel]
- Appendix H [Excel]
- Appendix M [Excel]
- Appendix N [Excel]
- Language [Excel]
- Migration [Excel]
- Occupation [Excel]
- Place of Birth [Excel]
- Population Housing Counts [Excel]
- Place of Work [Excel]
- Record Layout [Excel]		 #
# Maps:   Census 2000 Super-Public Use Microdata Area (PUMS) Maps #

States Now Available
FTP (Release date)
Alabama (9-24-03)
Alaska (8-20-03)
Arizona (9-3-03)
Arkansas (8-27-03)
California (9-3-03)
Colorado (9-10-03)
Connecticut (9-10-03)
Delaware (9-3-03)
District of Columbia (9-24-03)
Florida (8-13-03)
Georgia (9-3-03)
Hawaii (8-20-03)
Idaho (8-27-03)
Illinois (9-24-03)
Indiana (8-27-03)
Iowa (9-17-03)
Kansas (9-24-03)
Kentucky (9-17-03)
Louisiana (8-27-03)
Maine (9-17-03)
Maryland (9-24-03)
Massachusetts (9-10-03)
Michigan (8-27-03)
Minnesota (9-10-03)
Mississippi (8-27-03)
Missouri (8-20-03)		 Montana (9-10-03)
Nebraska (9-24-03)
Nevada (9-17-03)
New Hampshire (8-27-03)
New Jersey (8-13-03)
New Mexico (9-17-03)
New York (8-13-03)
North Carolina (9-3-03)
North Dakota (9-17-03)
Ohio (9-24-03)
Oklahoma (9-24-03)
Oregon (9-17-03)
Pennsylvania (8-20-03)
Puerto Rico (8-27-03)
Rhode Island (8-6-03)
South Carolina (9-3-03)
South Dakota (8-27-03)
Tennessee (9-3-03)
Texas (9-17-03)
Utah (9-10-03)
Vermont (8-6-03)
Virginia (8-20-03)
Washington (9-3-03)
West Virginia (9-10-03)
Wisconsin (9-10-03)
Wyoming (8-6-03)

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Source: U.S. Census Bureau | Public Information Office | (301) 763-3030
Last Revised: June 14, 2010 at 11:49:39 AM