Phoenix Population 2025 Estimate. Phoenix population in 2025 is estimated to be 1.64 million, its fifth largest populous city in u.s with an area of 519.11 sq miles (1,344.50 sq.km). The congressional budget office projects that the u.s.
Get the latest population estimates, demographics, and statistics for phoenix city, arizona. Phoenix added 195,000 people between 2020 and 2023, according to new estimates from the census bureau released thursday.