The census is a count of those living in the United States and in its territories: Puerto Rico, American Samoa, the Commonwealth of the Northern Mariana Islands, Guam and the U.S. Virgin Islands.

OAKLAND, Calif. -- A lot can change in 10 years. Think back to the spring of 2010. The iPhone did not let us take selfies, Netflix still offered DVD rentals by mail and a one-bedroom apartment was ...

Racial categories, which have been on every U.S. census, have changed from decade to decade, reflecting the politics and science of the times.