Phoenix Az Population 2024 Census. The largest county in arizona by population count is maricopa county, which is home to 4.1 million of the state's 6.9 million people. The current metro area population of phoenix in 2024 is 4,777,000, a 1.27% increase from 2023.

Based on our research, phoenix population will reach 1.832 million by 1st july of 2024. Since then, the phoenix metro area has gained more than 800,000 new residents and surpassed 5 million in population for the first time, according to newly released 2022 figures from the u.s.