How many people live in ?

Updated annually
In 2025, there were 7.62 million people living in Arizona. That makes Arizona the 14th-most populous state, home to 2.2% of people living in the US.

7.62M

population of Arizona (2025)

2.2%

Arizona share of the US population (2025)
The population of Arizona was about 61.5 times higher than it was in 1900. Between 2024 and 2025, the population of Arizona grew by about 67,400 people.

About 7.62 million people lived in Arizona in 2025. That's about 61.5 times more than in 1900.

Annual population estimates

What are Arizona's age demographics?

About 1.49 million Arizona residents were aged 65 and older in 2024. That represents 19.7% of the state’s population compared with 18% in the US overall.
Another 1.59 million Arizona residents, or 21% of the state’s population, were aged under 18. For comparison, children account for 21.6% of the US population.

A higher share of Arizona's population is 65 and older than the US overall.

Population share by age group (2024)

What are Arizona's racial and ethnic demographics?

A state’s population may have racial and ethnic differences compared with the US overall. These figures reflect how people identified their race alone (not in combination with other races), and separate Hispanic or Latino ethnicity, following Census Bureau reporting standards.
Non-Hispanic American Indian and Alaska Native residents make up 3.7% of Arizona’s population, higher than the national share of 0.72%. Arizona also has a larger share of people identifying as Hispanic (32.2%) than the US overall (20%).
In contrast, Arizona’s non-Hispanic white population accounted for 52.6%, below the 57.5% share nationwide. The non-Hispanic Black or African American population makes up 5.1% of the state, compared with 12.6% nationally.

A higher share of Arizona's population is Hispanic than the US overall.

Population share by race and ethnicity (2024)

What are Arizona's most populous counties?

In 2024, one out of 15 counties accounted for over half of Arizona’s population:
  • Maricopa County, 4.67 million (61.8% of the population)

In 2024, Maricopa County was the most populous county in Arizona.

Population estimates

What are Arizona's most populous cities?

The largest city in Arizona is Phoenix with about 1.67 million residents in 2024.

Cities and counties in Arizona ranked by population

Cities and counties in Arizona ranked by population
1.

Phoenix 

1,673,164
2.

Tucson 

554,013
3.

Mesa 

517,151
4.

Gilbert 

288,790
5.

Chandler 

281,231
6.

Glendale 

258,143
7.

Scottsdale 

246,170
8.

Peoria 

199,924
9.

Tempe 

190,114
10.

Surprise 

167,564

Keep exploring

Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.