An official website of the United States government
Here’s how you know
Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( Lock A locked padlock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
The U.S. census counts each resident of the country, where they live on April 1, every ten years ending in zero. The Constitution mandates the enumeration to determine how to apportion the House of Representatives among the states.
U.S. and World Population Clock
See U.S. population by date, region, age and sex, and the top 10 areas by people and density. The world view has basic facts, trade, and projections by country.
Our Surveys & Programs
Our surveys provide periodic and comprehensive statistics about the nation. This data is critical for government programs, policies, and decision-making.
Population
Our population statistics cover age, sex, race, Hispanic origin, migration, ancestry, language use, veterans, as well as population estimates and projections.