Current population information for Arizona:
See U.S. Census QuickFacts Arizona.
Historical population numbers for Arizona:
For census data from each decade 1790–1990 visit Population of States and Counties of the United States: 1790 to 1990 compiled and edited by Richard Forstall, U.S. Bureau of the Census, Washington, DC.
Find the information you need by calling the library's Infoline at 520-791-4010 or by sending your question to Ask a Librarian.
