United States Census Bureau

Collects and sources data about the nation's population and economy. 

Helps determine where federal funding for community programs and infrastructure are allocated as well as determines the number of seats your state has in the U.S. House of Representatives.

Delivers census forms to every residence in the United States and Puerto Rico. If residences don't mail the form back, they may receive a visit from a census taker who will ask the questions on the form in person.