What is the population of Arizona? The U.S. Census Bureau provides estimates for population statistics for the period ending July 1, 2008. The actual census only takes place every ten years, in dates ending in a zero, the the next full census will take place in 2010.
Population of Arizona, 2008
6,500,180AZ Population Growth since 2000: 26.7%
Arizona ranks 14th in state population in the United States. It was 20th at the 2000 census.

