PHOENIX, AZ (December 10, 2025) — Arizona continues to experience robust population growth, fueling gains in both the labor force and the broader economy. According to newly released estimates from the Arizona Office of Economic Opportunity, Arizona added 97,044 residents between July 1, 2024, and July 1, 2025, representing a growth rate of 1.2%. 

Fastest-Growing Counties (by Percentage) 

• Pinal County – 3.7%
• Yuma County – 1.9%
• Santa Cruz County – 1.5%
• Mohave County – 1.3%
• Maricopa County – 1.3% 

Counties with Largest Numeric Growth 

• Maricopa County – 61,543
• Pinal County – 18,127
• Pima County – 7,127
• Yuma County – 4,147
• Mohave County – 2,971
• Yavapai County – 1,827 

Cities with Largest Population Gains 

• Phoenix – 11,793
• Surprise – 7,027
• Buckeye – 5,968
• Goodyear – 5,875
• Maricopa – 4,894
• Glendale – 4,721
• Mesa – 4,499 
• Marana – 3,956 

The perfect place for business and talent 

Arizona’s continued growth underscores its appeal as a destination for talent, opportunity, and innovation. Between 2023 and 2024, Maricopa County ranked no. 1 in the U.S. for net migration (U.S. Census). 

 

Arizona has recorded labor force growth for nine consecutive months. The state has also seen a relatively lower unemployment rate than the U.S. Arizona’s September unemployment rate was 4.2%, compared to 4.4% nationally.  

Since 2011, Arizona has added nearly 1.3 million people, a growth rate of 20%. Between 2024 and 2025, Arizona added on average 266 people per day.  

Media Contact

Alyssa Tufts, Arizona Commerce Authority, [email protected]

About the Arizona Commerce Authority
The Arizona Commerce Authority (ACA) is the state's leading economic development organization with a streamlined mission to grow and strengthen Arizona's economy. The ACA uses a three-pronged approach to advance the overall economy: attract, expand, create - attract out-of-state companies to establish operations in Arizona; work with existing companies to expand their business in Arizona and beyond; and help entrepreneurs create new Arizona businesses in targeted industries. For more information, please visit azcommerce.com and follow the ACA on X @azcommerce.