Phoenix Az Metro Population 2025. 5,070,110), including age, race, sex, income, poverty, marital status, education and more. Current, historical, and projected population, growth rate, median age, population density, urbanization, and urban population.

It is also the county seat of maricopa county. The most populous cities in arizona are phoenix with 1,650,070, tucson at 547,239, mesa with 511,648, chandler at 280,167, and gilbert with 275,411.