Phoenix Postmaster Alvaro A. Alvarez and U.S. Census Bureau Director Robert Groves encouraged every household to fill out and mail back the 2010 Census form.

Giant 2010 Census forms were inflated across the country when the questionnaires began arriving in mailboxes.

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.

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.

This photo is for 2010 decennial census

As part of a national sponsorship with the U.S. Census Bureau, NASCAR's Greg Biffle drove the 2010 Census-sponsored No. 16 Ford Fusion in three races.

U.S. Census Bureau Director Robert Groves spoke to students at Gateway Math and Science Elementary School.

Secretary of Commerce Gary Locke, Acting Deputy Secretary Rebecca Blank and Census Bureau Director Robert Groves release the first set of 2010 Census data.

Census Bureau Director Robert Groves presents the 2010 Census apportionment counts of the U.S. House of Representatives.

U.S. Census Bureau Director Robert Groves meets with Nickelodeon's Dora the Explorer and families during the launch of "Children Count Too."

Clifton Jackson, an 89-year-old World War II veteran, talks about being the first in the nation to be enumerated for the 2010 Census.

President Barack Obama filled out his 2010 Census form in the Oval Office, March 20, 2010. All survey images are simulated.

The 2010 Census Portrait of America Road Tour national vehicle, nicknamed Mail it Back, visited New York City's Times Square.

High school students show their enthusiasm and support for the 2010 Census on the steps of the Capitol in Salem, Oregon.

Family and friends gather in support of the March to the Mailbox event that took place in San Juan, Puerto Rico on April 10, 2010.

WPGC's Shack Nd Pack, a U.S. Postal Service worker & Census Bureau Director Robert Groves told everyone to mail back their 2010 Census forms.

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

Filling out & mailing back your census form, helps bring funding throughout your community over the next ten years! All survey images are simulated.

During Quality Assurance operations, some households received a call or visit from a census taker to ensure that the data collected was complete & accurate.

Census takers were easily identified by their official badge and shoulder bag, both with the Department of Commerce seal. All survey images are simulated.

The key to a successful 2010 Census was nationwide participation.

More than 130 million U.S. households received the 2010 Census form in the mail. All survey images are simulated.

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

Upon arrival, a census taker would provide you with an information sheet that included a confidentiality notice. All survey images are simulated.

After updating the housing unit's address information, the census worker would then leave the form for the resident. All survey images are simulated.

If no one was home when a census taker came to your door, a notice would be left with a number to call to schedule a return visit.

The Census Bureau called households that responded to the census to clarify confusion about who should be counted at the address.

By filling out and mailing back your census form, you helped to bring funding for services throughout your community over the next ten years!

The 2010 Census had one of the shortest forms in history. It was just 10 questions and took only about 10 minutes to complete.

Census workers hand delivered 2010 Census questionnaires to roughly 12 million addresses across the nation.

Census takers were members of your community sent by the Census Bureau to go door to door to make sure that everyone was counted.