Population Estimates 2021
Population Estimates
- API Call: api.census.gov/data/2021/pep/population
- Examples and Supported Geographies: api.census.gov/data/2021/pep/population.html
- Variables: api.census.gov/data/2021/pep/population/variables.html
- Example Call:
api.census.gov/data/2021/pep/population?get=DENSITY_2021,POP_2021,NAME,STATE&for=region:*&key=YOUR_KEY_GOES_HERE
National Monthly Population Estimates
- API Call: api.census.gov/data/2021/pep/natmonthly
- Examples and Supported Geographies: api.census.gov/data/2021/pep/natmonthly.html
- Variables: api.census.gov/data/2021/pep/natmonthly/variables.html
- Example Call: Total population each month from January to December 2021
api.census.gov/data/2021/pep/natmonthly?get=POP,NAME,MONTHLY&for=us:*&MONTHLY=4&key=YOUR_KEY_GOES_HERE
Related Information
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Population Estimates Categorical Variables 2021
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FTP ServerTo download full datasets, visit our FTP Server.
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Population and Housing Unit EstimatesProduces estimates of the population for the United States, its states, counties, cities, and towns, as well as for the Commonwealth of Puerto Rico.
Page Last Revised - May 26, 2026