Right-leaning advocacy groups say Democrats benefit from people in the U.S. illegally, but not to the degree Blust said. Studies by other research groups show that such immigrants have a small impact ...

Census Bureau employees work on one of the machines that were used to tabulate the 1930 census, in Washington, D.C., on July 20, 1929. Census Bureau employees work on one of the machines that were ...

Republicans in Congress are reviving a controversial push to alter a key set of census numbers that are used to determine how presidents and members of the U.S. House of Representatives are elected.