Phoenix Population 2024 Forecast 2025. The metro area population of phoenix in 2021 was 4,584,000, a 1.62% increase. Current, historical, and projected population, growth rate, median age, population density, urbanization, and urban population.

Although phoenix is the fifth largest city in the country, its population remained relatively stable. It was not clear when no arizona city was included in the top 15 fastest.