Decennial Census (2020, 2010, 2000)

The following are available API datasets for Decennial Census.

All data queries to the Census Data API now require an API key. Please cut and paste the Example Calls 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. For more information: Watch Video.

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=YOUR_KEY_GOES_HERE

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=YOUR_KEY_GOES_HERE

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=YOUR_KEY_GOES_HERE

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=YOUR_KEY_GOES_HERE

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=YOUR_KEY_GOES_HERE

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

 

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=YOUR_KEY_GOES_HERE

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=YOUR_KEY_GOES_HERE

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

American Indian and Alaska Native Summary File

American Indian and Alaska Native Demographic Profile

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=YOUR_KEY_GOES_HERE

Redistricting Data (PL 94-171)

Congressional District

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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=YOUR_KEY_GOES_HERE

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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=YOUR_KEY_GOES_HERE

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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=YOUR_KEY_GOES_HERE

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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=YOUR_KEY_GOES_HERE

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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=YOUR_KEY_GOES_HERE

Related Information

Page Last Revised - May 20, 2026