This Census Partnerships photo is from the Decennial Census.

This Census taker photo is from the 2010 Decennial Census.

This photo is from the 2010 census.

These photos are of Academy Awards Show in LA.

A resident of Honolulu, Hawaii answers questions from the American Community Survey with a Census Bureau enumerator. All survey images are simulated.

An couple opens their ACS mail package. All survey images are simulated.

A Census Bureau enumerator collects data during an interview.

A Census Bureau Field Representative who conducts surveys in the Honolulu, Hawaii area.

This census in school is from the 2010 Census.

This Checking Census Taker ID photo is from the Decennial Census.

This photo is from the 2010 census.

Census takers protected and kept confidential all the information provided to them.

A Census Bureau enumerator goes door to door to make sure that everyone was counted.

A Census Bureau enumerator conducts a phone interview.

A Census Bureau field representative conducts a health survey with a resident in Honolulu, Hawaii. All survey images are simulated.

A Census Bureau enumerator conducts field operations at a home in Honolulu, Hawaii. All survey images are simulated.

View of U.S. Census Bureau headquarters building located in Suitland, MD.

Main entrance of U.S. Census Bureau headquarters building located in Suitland, MD.

Main entrance of U.S. Census Bureau headquarters building located in Suitland, MD.

Census Takers could be identified by their official badge with the Department of Commerce seal. All survey images are simulated.

Much of the survey information collected by the Census Bureau is processed at the Bureau's National Processing Center in Jeffersonville, Indiana.

Much of the survey information collected by the Census Bureau is processed at the Bureau's National Processing Center in Jeffersonville, Indiana.

Much of the survey information collected by the Census Bureau is processed at the Bureau's National Processing Center in Jeffersonville, Indiana.

Much of the survey information collected by the Census Bureau is processed at the Bureau's National Processing Center in Jeffersonville, Indiana.

Much of the survey information collected by the Census Bureau is processed at the Bureau's National Processing Center in Jeffersonville, Indiana.

Much of the survey information collected by the Census Bureau is processed at the Bureau's National Processing Center in Jeffersonville, Indiana.

Much of the survey information collected by the Census Bureau is processed at the Bureau's National Processing Center in Jeffersonville, Indiana.

President Lyndon B. Johnson announces that the census population clock reached the 200 million mark.

Census Bureau director Charles L. Kincannon speaks to the media as the Population Clock reaches 300 million, October 17, 2006.