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Population Estimates APIs
Each year, the Census Bureau's Population Estimates Program uses current data on births, deaths, and migration to calculate population change since the most recent decennial census and produces a time series of estimates of population, demographic components of change, and housing units. The annual time series of estimates begins with the most recent decennial census data and extends to the vintage year. As each vintage of estimates includes all years since the most recent decennial census, the latest vintage of data available supersedes all previously-produced estimates for those dates.
Related Information: Population Estimates Categorical Variables
2000-2010 Intercensals
Population Estimates
- API Call: api.census.gov/data/2000/pep/int_population
- Examples and Supported Geographies: api.census.gov/data/2000/pep/int_population.html
- Variables: api.census.gov/data/2000/pep/int_population/variables.html
National Monthly Population Estimates
- API Call: api.census.gov/data/2000/pep/int_natmonthly
- Examples and Supported Geographies: api.census.gov/data/2000/pep/int_natmonthly.html
- Variables: api.census.gov/data/2000/pep/int_natmonthly/variables.html
Demographic Characteristics Estimates by Single Year of Age
- API Call: api.census.gov/data/2000/pep/int_charage
- Examples and Supported Geographies: api.census.gov/data/2000/pep/int_charage.html
- Variables: api.census.gov/data/2000/pep/int_charage/variables.html
Demographic Characteristics Estimates by Age Groups
- API Call: api.census.gov/data/2000/pep/int_charagegroups
- Examples and Supported Geographies: api.census.gov/data/2000/pep/int_charagegroups.html
- Variables: api.census.gov/data/2000/pep/int_charagegroups/variables.html
Housing Unit Estimates for the US, States, and Counties
- API Call: api.census.gov/data/2000/pep/int_housingunits
- Examples and Supported Geographies: api.census.gov/data/2000/pep/int_housingunits.html
- Variables: api.census.gov/data/2000/pep/int_housingunits/variables.html
Related Information
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Population Estimates Categorical Variables 2000-2010 Intercensals
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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 2, 2025
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