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Research Guides

U.S. Decennial Census: Census Compilations

Decade by decade information about how to access and use U.S. Census reports.

Starting Points

Census compilations gather and compare data from multiple years of the Census.  They are a great place to look for trends and for comparing statistics over time.  Compilations may contain graphs, charts, and maps.

Contact

Need help?  Call the Government Publications, Maps, Microforms & Newspapers help desk at (206) 543-4164 during desk hours.  You can also consult the Ask Us! reference service (24/7).

U.S. Center of Population

mean U.S. population center 1790-2010

Image courtesy of Wikimedia Commons, created by the United States Census Bureau.

Census Books