Population Projections APIs

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Population Projections APIs

Population projections are estimates of the population for future dates. Projections illustrate possible courses of population change based on assumptions about future births, deaths, net international migration, and domestic migration.

Related Information: Population Projections Categorical Variables

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. For more information: Watch Video.

2017
  • 2017
  • 2014
  • 2012

2017

Projected Population by Demographic Characteristics (Single Year of Age)

  • API Call: api.census.gov/data/2017/popproj/pop?key=YOUR_KEY_GOES_HERE
  • Examples and Supported Geographies: api.census.gov/data/2017/popproj/pop.html?key=YOUR_KEY_GOES_HERE
  • Variables: api.census.gov/data/2017/popproj/pop/variables.html?key=YOUR_KEY_GOES_HERE
  • Example Call:

    api.census.gov/data/2017/popproj/pop?get=POP,YEAR&for=us:1&key=YOUR_KEY_GOES_HERE

Projected Population by Demographic Characteristics (Age Groups)

  • API Call: api.census.gov/data/2017/popproj/agegroups?key=YOUR_KEY_GOES_HERE
  • Examples and Supported Geographies: api.census.gov/data/2017/popproj/agegroups.html?key=YOUR_KEY_GOES_HERE
  • Variables: api.census.gov/data/2017/popproj/agegroups/variables.html?key=YOUR_KEY_GOES_HERE
  • Example Call:

    api.census.gov/data/2017/popproj/agegroups?get=POP,YEAR&for=us:1&key=YOUR_KEY_GOES_HERE

Projected Population by Demographic Characteristics (Single Year of Age) and Nativity

  • API Call: api.census.gov/data/2017/popproj/nat?key=YOUR_KEY_GOES_HERE
  • Examples and Supported Geographies: api.census.gov/data/2017/popproj/nat.html?key=YOUR_KEY_GOES_HERE
  • Variables: api.census.gov/data/2017/popproj/nat/variables.html?key=YOUR_KEY_GOES_HERE
  • Example Call:

    api.census.gov/data/2017/popproj/nat?get=POP,YEAR&for=us:1&key=YOUR_KEY_GOES_HERE

Projected Births by Demographic Characteristics

  • API Call: api.census.gov/data/2017/popproj/births?key=YOUR_KEY_GOES_HERE
  • Examples and Supported Geographies: api.census.govdata/2017/popproj/births.html?key=YOUR_KEY_GOES_HERE
  • Variables: api.census.gov/data/2017/popproj/births/variables.html?key=YOUR_KEY_GOES_HERE
  • Example Call: Projected births for Hispanics (RACE_HISP=8) of males (SEX=1) where YEAR=2017

    api.census.gov/data/2017/popproj/births?get=BIRTHS&RACE_HISP=8&SEX=1&YEAR=2017&for=us:1&key=YOUR_KEY_GOES_HERE

Projected Deaths by Demographic Characteristics

  • API Call: api.census.gov/data/2017/popproj/deaths?key=YOUR_KEY_GOES_HERE
  • Examples and Supported Geographies: api.census.gov/data/2017/popproj/deaths.html?key=YOUR_KEY_GOES_HERE
  • Variables: api.census.gov/data/2017/popproj/deaths/variables.html?key=YOUR_KEY_GOES_HERE
  • Example Call: Projected deaths by year

    api.census.gov/data/2017/popproj/deaths?get=DEATHS,YEAR&for=us:1&&key=YOUR_KEY_GOES_HERE

Projected Net International Migration by Demographic Characteristics

  • API Call: api.census.gov/data/2017/popproj/nim?key=YOUR_KEY_GOES_HERE
  • Examples and Supported Geographies: api.census.gov/data/2017/popproj/nim.html?key=YOUR_KEY_GOES_HERE
  • Variables: api.census.gov/data/2017/popproj/nim/variables.html?key=YOUR_KEY_GOES_HERE
  • Example Call: Projected net international migration by year

    api.census.gov/data/2017/popproj/nim?get=NIM,YEAR&for=us:1&key=YOUR_KEY_GOES_HERE

Related Information

Page Last Revised - May 19, 2026