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The U.S. Decennial Census

A guide to the U.S. Census that is done every 10 years (Decennial)


Welcome to the U.S. Decennial Census Research Guide.  Each page contains helpful information and links for that topic. 

Remember, librarians can help you with your research.                                                                   


What is the Decennial Census?

The U.S. Census counts every resident in the United States. It is mandated by Article I, Section 2 of the Constitution and takes place every 10 years.

Why is the Decennial Census Important?

The data collected by the decennial census is used to:

Why Take a Census?

View the video "The Census in the Constitution"

How has the U.S. Census changed over the years?

U.S. Census Bureau. 2013. "How Do We Know About Our Nation?"

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