What We Do

The U.S. census counts every resident in the United States. It is mandated by Article I, Section 2 of the Constitution and takes place every 10 years.

Economic Census

The Economic Census is the U.S. government's official five-year measure of American business and the economy.

Census of Governments

Identifies the scope and nature of the nation's state and local government sector including public finance and public employment and classifications.

American Community Survey (ACS)

The American Community Survey is the premier source for information about America's changing population, housing and workforce.

Our Surveys & Programs

Our surveys provide periodic and comprehensive statistics about the nation. This data is critical for government programs, policies, and decision-making.

Economic Indicators

The Census Bureau releases fourteen different reports on key economic indicators. Each indicator is released on a specific schedule.

How Our Data Are Used

To determine the distribution of Congressional seats to states.

Mandated by the U.S. Constitution
Used to apportion seats in the U.S. House of Representatives
Used to define legislature districts, school district assignment areas and other important functional areas of government

Find out about the 2020 Census Redistricting Data Program

To make planning decisions about community services, such as where to:

Provide services for the elderly
Build new roads and schools
Locate job training centers

To distribute more than $675 billion in federal funds to local, state and tribal governments each year.

Census data informs how states and communities allocate funding for:

Neighborhood improvements
Public health
Education
Transportation
Much more

To provide Age Search information for:

Qualifying for Social Security and other retirement benefits
Passport applications
Proving relationship in settling estates
Researching family history or a historical topic

Other Activities

Customer Information

A list of information portals that we maintain: Calendar, Feedback, Data Use, News, Questions and Workshops.

Combining Data

The Census Bureau reuses data from other agencies to cut the cost of data collection and to reduce the burden on people who respond to our censuses and surveys.

Data Linkage Infrastructure

Our Data Linkage Infrastructure is transforming data discovery and fueling innovative research.

Fellowship Programs

American Statistical Association National Science Foundation U.S. Census Bureau Research Fellowship Program

International Programs

The U.S. Census Bureau conducts demographic, economic, & geographic studies of other countries & strengthens statistical development around the world.

Respond to Requests

This is our Frequently Asked Questions site. Start here to check if your question has already been answered.

Research to Improve Data on Race and Ethnicity

Learn more about Census Bureau's ongoing history of conducting research to improve questions and data on race and ethnicity.

Research and Events

Research Opportunities at the Census Bureau [<1.0 MB]

Census Event & Training Calendar

Related Information

Business Opportunities

Available APIs

Training & Workshops