Arizona Population Growth Rate 2024. Patterns of population growth and change reflect differences among regions to attract and retain people. Arizona added more than 244,600 people — a population increase of 3.4% — between july 2020 and july 2023, according to an arizona republic analysis of the census.

Pinal county, with its growth rate of 17.81% since the 2010 u.s. From 1990 to 2000, arizona was the second fastest growing state, increasing its population by nearly 40 percent.