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.

2020
  • 2020
  • 2010
  • 2000

2020

For more information on the 2020 Decennial data, please visit this Page or HERE.

Supplemental Demographic and Housing Characteristics File (S-DHC)

  • API Call: api.census.gov/data/2020/dec/sdhc?key=YOUR_KEY_GOES_HERE
  • Example for data: 

api.census.gov/data/2020/dec/sdhc?get=NAME&for=state:*&key=YOUR_KEY_GOES_HERE

Detailed Demographic and Housing Characteristics File B (Detailed DHC-B)

  • API Call: api.census.gov/data/2020/dec/ddhcb?key=YOUR_KEY_GOES_HERE
  • Example for data: 

api.census.gov/data/2020/dec/ddhcb?get=NAME,POPGROUP_LABEL&POPGROUP=1002&for=state:*&key=YOUR_KEY_GOES_HERE

Detailed Demographic and Housing Characteristics File A (Detailed DHC-A)

  • API Call: api.census.gov/data/2020/dec/ddhca?key=YOUR_KEY_GOES_HERE
  • Example for data: 

api.census.gov/data/2020/dec/ddhca?get=NAME,POPGROUP_LABEL&POPGROUP=1002&for=state:*&key=YOUR_KEY_GOES_HERE

Demographic and Housing Characteristics File (DHC)

  • API Call: api.census.gov/data/2020/dec/dhc?key=YOUR_KEY_GOES_HERE
  • Example for data: 

    api.census.gov/data/2020/dec/dhc?get=NAME&for=state:*&key=YOUR_KEY_GOES_HERE

  • 2020 DHC Technical Documentation
  • 2020 DHC Variables, Examples, and Supported Geography: api.census.gov/data/2020/dec/dhc.html?key=YOUR_KEY_GOES_HERE

Demographic Profile

  • API Call: api.census.gov/data/2020/dec/dp?key=YOUR_KEY_GOES_HERE
  • Example for data: 

    api.census.gov/data/2020/dec/dp?get=NAME&for=state:*&key=YOUR_KEY_GOES_HERE

  • 2020 DP Technical Documentation
  • 2020 DP Variables, Examples, and Supported Geography: api.census.gov/data/2020/dec/dp.html?key=YOUR_KEY_GOES_HERE

 

Redistricting Data (PL 94-171)

  • API Call: api.census.gov/data/2020/dec/pl?key=YOUR_KEY_GOES_HERE
  • Example for data: 

    api.census.gov/data/2020/dec/pl?get=NAME&for=state:*&key=YOUR_KEY_GOES_HERE

  • 2020 PL Technical Documentation
  • 2020 PL Variables, Examples and Supported Geography: api.census.gov/data/2020/dec/pl.html?key=YOUR_KEY_GOES_HERE

Decennial Post-Enumeration Survey

  • API Call: api.census.gov/data/2020/dec/pes?key=YOUR_KEY_GOES_HERE
  • Example for data: 

    api.census.gov/data/2020/dec/pes?get=NAME&for=us:*&key=YOUR_KEY_GOES_HERE

  • 2020 PES Variables, Examples, and Supported Geography: api.census.gov/data/2020/dec/pes.html?key=YOUR_KEY_GOES_HERE

Island Areas Demographic and Housing Characteristics File (DHC)

  • API Call
    • American Samoa: api.census.gov/data/2020/dec/dhcas?key=YOUR_KEY_GOES_HERE
    • Commonwealth of the Northern Mariana Islands: api.census.gov/data/2020/dec/dhcmp?key=YOUR_KEY_GOES_HERE
    • Guam: api.census.gov/data/2020/dec/dhcgu?key=YOUR_KEY_GOES_HERE
    • U.S. Virgin Islands: api.census.gov/data/2020/dec/dhcvi?key=YOUR_KEY_GOES_HERE
  • Example for data: 

    api.census.gov/data/2020/dec/dhcas?get=NAME&for=county%20subdivision:*&in=state:60&in=county:*&key=YOUR_KEY_GOES_HERE

  • 2020 Island Areas Demographic and Housing Characteristics File Variables, Examples, and Supported Geography
    • American Samoa: api.census.gov/data/2020/dec/dhcas.html?key=YOUR_KEY_GOES_HERE
    • Commonwealth of the Northern Mariana Islands: api.census.gov/data/2020/dec/dhcmp.html?key=YOUR_KEY_GOES_HERE
    • Guam: api.census.gov/data/2020/dec/dhcgu.html?key=YOUR_KEY_GOES_HERE
    • U.S. Virgin Islands: api.census.gov/data/2020/dec/dhcvi.html?key=YOUR_KEY_GOES_HERE

Island Areas Demographic Profile

  • API Call
    • American Samoa: api.census.gov/data/2020/dec/dpas?key=YOUR_KEY_GOES_HERE
    • Commonwealth of the Northern Mariana Islands: api.census.gov/data/2020/dec/dpmp?key=YOUR_KEY_GOES_HERE
    • Guam: api.census.gov/data/2020/dec/dpgu?key=YOUR_KEY_GOES_HERE
    • U.S. Virgin Islands: api.census.gov/data/2020/dec/dpvi?key=YOUR_KEY_GOES_HERE
  • Example for data: 

    api.census.gov/data/2020/dec/dpas?get=NAME&for=state:60&key=YOUR_KEY_GOES_HERE

  • 2020 Island Areas Demographic Profile Variables, Examples and Supported Geography
    • American Samoa: api.census.gov/data/2020/dec/dpas.html?key=YOUR_KEY_GOES_HERE
    • Commonwealth of the Northern Mariana Islands: api.census.gov/data/2020/dec/dpmp.html?key=YOUR_KEY_GOES_HERE
    • Guam: api.census.gov/data/2020/dec/dpgu.html?key=YOUR_KEY_GOES_HERE
    • U.S. Virgin Islands: api.census.gov/data/2020/dec/dpvi.html?key=YOUR_KEY_GOES_HERE

Island Areas Detailed Crosstabulations

  • API Call
    • American Samoa: api.census.gov/data/2020/dec/crosstabas?key=YOUR_KEY_GOES_HERE
    • Commonwealth of the Northern Mariana Islands: api.census.gov/data/2020/dec/crosstabmp?key=YOUR_KEY_GOES_HERE
    • Guam: api.census.gov/data/2020/dec/crosstabgu?key=YOUR_KEY_GOES_HERE
    • U.S. Virgin Islands: api.census.gov/data/2020/dec/crosstabvi?key=YOUR_KEY_GOES_HERE
  • Example for data: 

    api.census.gov/data/2020/dec/crosstabas?get=NAME&for=state:60&key=YOUR_KEY_GOES_HERE

  • 2020 Island Areas Demographic Profile Variables, Examples, and Supported Geography
    • American Samoa: api.census.gov/data/2020/dec/crosstabas.html?key=YOUR_KEY_GOES_HERE
    • Commonwealth of the Northern Mariana Islands: api.census.gov/data/2020/dec/crosstabmp.html?key=YOUR_KEY_GOES_HERE
    • Guam: api.census.gov/data/2020/dec/crosstabgu.html?key=YOUR_KEY_GOES_HERE
    • U.S. Virgin Islands: api.census.gov/data/2020/dec/crosstabvi.html?key=YOUR_KEY_GOES_HERE

Congressional Districts

119th Congressional District Summary File
  • API Call: api.census.gov/data/2020/dec/cd119?key=YOUR_KEY_GOES_HERE
  • Example for data: 

    api.census.gov/data/2020/dec/cd119?get=NAME&for=congressional%20district:*&in=state:*&key=YOUR_KEY_GOES_HERE

  • 2020 CD119 Variables, Examples, and Supported Geography: api.census.gov/data/2020/dec/cd119.html?key=YOUR_KEY_GOES_HERE
118th Congressional District Summary File
  • API Call: api.census.gov/data/2020/dec/cd118?key=YOUR_KEY_GOES_HERE
  • Example for data: 

    api.census.gov/data/2020/dec/cd118?get=NAME&for=congressional%20district:*&in=state:*&key=YOUR_KEY_GOES_HERE

  • 2020 CD118 Variables, Examples, and Supported Geography: api.census.gov/data/2020/dec/cd118.html?key=YOUR_KEY_GOES_HERE

Related Information

Page Last Revised - May 13, 2026