Decennial Census (2020, 2010, 2000)

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Decennial Census (2020, 2010, 2000)

The following are available API datasets for Decennial Census.

All queries to the Census Data API now require an API key. Please cut and paste the API Calls, Example Calls, Variables, Examples, and Supported Geography below into your web browser and replace YOUR_KEY_GOES_HERE with your personal API Key.

If you do not have an API Key, request one here.

2000
  • 2020
  • 2010
  • 2000

2000

For more information on the 2000 Decennial data, please visit this Page or HERE.

Summary File 1

  • API Call: api.census.gov/data/2000/dec/sf1?
  • Example for data that has an assigned key inserted: 

api.census.gov/data/2000/dec/sf1?get=P001001,NAME&for=state:*&key=[user key]

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Summary File 2

  • API Call: api.census.gov/data/2000/dec/sf2?
  • Example for data that has an assigned key inserted: 

api.census.gov/data/2000/dec/sf2?get=HCT004001,NAME&for=state:*&key=[user key]

Summary File 2 Demographic Profile

  • API Call: api.census.gov/data/2000/dec/sf2profile
  • Example for data that has an assigned key inserted: 

api.census.gov/data/2000/dec/sf2profile?get=DP1_C0,NAME&for=state:*&key=[user key]

  • 2000 SF2 Demographic Profile API Variables [ html | xml | json ]
  • Examples and Supported Geography

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Summary File 3

  • API Call: api.census.gov/data/2000/dec/sf3?
  • Example for data that has an assigned key inserted: 

api.census.gov/data/2000/dec/sf3?get=P001001,NAME&for=state:*&key=[user key]

Summary File 3 Demographic Profile

  • API Call: api.census.gov/data/2000/dec/sf3profile
  • Example for data that has an assigned key inserted: 

    api.census.gov/data/2000/dec/sf3profile?get=DP2_C0,NAME&for=state:*&key=[user key]

  • 2000 SF3 Demographic Profile API Variables [ html | xml | json ]
  • Examples and Supported Geography

 

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Summary File 4

  • API Call: api.census.gov/data/2000/dec/sf4?
  • Example for data that has an assigned key inserted: 

api.census.gov/data/2000/dec/sf4?get=HCT004001,NAME&for=state:*&key=[user key]

Summary File 4 Demographic Profile

  • API Call: api.census.gov/data/2000/dec/sf4profile
  • Example for data that has an assigned key inserted: 

    api.census.gov/data/2000/dec/sf4profile?get=NAME,DP1_C0&for=state:*&key=[user key]

  • 2000 SF4 Demographic Profile API Variables [ html | xml | json ]
  • Examples and Supported Geography

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American Indian and Alaska Native Summary File

  • API Call: api.census.gov/data/2000/dec/aian
  • Example for data that has an assigned key inserted: 

    api.census.gov/data/2000/dec/aian?get=HCT004001,NAME&for=state:*&key=[user key]

  • 2000 AIAN API Variables [ html | xml | json ]
  • 2000 AIAN Technical Documentation [PDF 4.1 MB]
  • 2000 AIAN Examples and Supported Geography

American Indian and Alaska Native Demographic Profile

  • API Call: api.census.gov/data/2000/dec/aianprofile
  • Example for data that has an assigned key inserted: 

    api.census.gov/data/2000/dec/aianprofile?get=DP1_C0,NAME&for=state:*&key=[user key]

  • 2000 AIAN Demographic Profile API Variables [ html | xml | json ]
  • 2000 AIAN Demographic Profile Examples and Supported Geography

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Island Areas

  • API Call
    • American Samoa: api.census.gov/data/2000/dec/as
    • Commonwealth of the Northern Mariana Islands: api.census.gov/data/2000/dec/mp
    • Guam: api.census.gov/data/2000/dec/gu
    • U.S. Virgin Islands: api.census.gov/data/2000/dec/vi
  • Example for data that has an assigned key inserted: 

api.census.gov/data/2000/dec/as?get=H001001,NAME&for=state:*&key=[user key]

  • 2000 Island Areas API Variables
    • American Samoa [ html | xml | json ]
    • Commonwealth of the Northern Mariana Islands [ html | xml | json ]
    • Guam [ html | xml | json ]
    • U.S. Virgin Islands [ html | xml | json ]
  • 2000 Island Areas Technical Documentation
  • Examples and Supported Geography
    • American Samoa
    • Commonwealth of the Northern Mariana Islands
    • Guam
    • U.S. Virgin Islands

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Redistricting Data (PL 94-171)

  • API Call: api.census.gov/data/2000/dec/pl
  • Example for data that has an assigned key inserted: 

    api.census.gov/data/2000/dec/pl?get=PL001001,NAME&for=state:*&key=[user key]

  • 2000 PL API Variables [ html | xml | json ]
  • 2000 PL Technical Documentation
  • 2000 PL Examples and Supported Geography

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Congressional District

  • API Call: api.census.gov/data/2000/dec/cd110h
  • Example for data that has an assigned key inserted: 

    api.census.gov/data/2000/dec/cd110h?get=H015001,NAME&for=state:*&key=[user key]

  • 2000 CD110 Summary File (100-Percent) API Variables [ html | xml | json ]
  • 2000 CD110 Summary File (100-Percent) Technical Documentation [PDF 4.9 MB]
  • 2000 CD110 Summary File (100-Percent) Examples and Supported Geography

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  • API Call: api.census.gov/data/2000/dec/cd110s
  • Example for data that has an assigned key inserted: 

    api.census.gov/data/2000/dec/cd110s?get=H015001,NAME&for=state:*&key=[user key]

  • 2000 CD110 Summary File (Sample) API Variables [ html | xml | json ]
  • 2000 CD110 Summary File (Sample) Technical Documentation [PDF 5.8 MB]
  • 2000 CD110 Summary File (Sample) Examples and Supported Geography

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  • API Call: api.census.gov/data/2000/dec/cd110hprofile
  • Example for data that has an assigned key inserted: 

    api.census.gov/data/2000/dec/cd110hprofile?get=NAME,DP1_C0&for=state:*&key=[user key]

  • 2000 CD110 Demographic Profile (100-Percent) API Variables [ html | xml | json ]
  • 2000 CD110 Demographic Profile (100-Percent) Examples and Supported Geography

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  • API Call: api.census.gov/data/2000/dec/cd110sprofile
  • Example for data that has an assigned key inserted: 

    api.census.gov/data/2000/dec/cd110sprofile?get=NAME,DP2PR_C1&for=state:*&key=[user key]

  • 2000 CD110 Demographic Profile (Sample) API Variables [ html | xml | json ]
  • 2000 CD110 Demographic Profile (Sample) Examples and Supported Geography

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State Legislative District

  • API Call: api.census.gov/data/2000/dec/sldh
  • Example for data that has an assigned key inserted: 

api.census.gov/data/2000/dec/sldh?get=NAME,H011001&for=state:*&key=[user key]

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  • API Call: api.census.gov/data/2000/dec/slds
  • Example for data that has an assigned key inserted: 

api.census.gov/data/2000/dec/slds?get=H001001,NAME&for=state:*&key=[user key]

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  • API Call: api.census.gov/data/2000/dec/sldhprofile
  • Example for data that has an assigned key inserted: 

api.census.gov/data/2000/dec/sldhprofile?get=NAME,DP1_C0&for=state:*&key=[user key]

  • 2000 SLD Demographic Profile (100-Percent) API Variables [ html | xml | json ]
  • 2000 SLD Demographic Profile (100-Percent) Examples and Supported Geography

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  • API Call: api.census.gov/data/2000/dec/sldsprofile
  • Example for data that has an assigned key inserted: 

api.census.gov/data/2000/dec/sldsprofile?get=DP2_C0,NAME&for=state:*&key=[user key]

  • 2000 SLD Demographic Profile (Sample) API Variables [ html | xml | json ]
  • 2000 SLD Demographic Profile (Sample) Examples and Supported Geography

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Count Question Resolution

  • API Call: api.census.gov/data/2000/dec/cqr
  • Example for data that has an assigned key inserted: 

api.census.gov/data/2000/dec/cqr?get=NAME,CQR1O&for=state:*&key=[user key]

  • 2000 CQR API Variables [ html | xml | json ]
  • 2000 CQR API Examples and Supported Geography

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Related Information

Page Last Revised - May 13, 2026