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Phoenix-Mesa, AZ Combined Statistical Area Demographics

Phoenix-Mesa, AZ Combined Statistical Area is the 14th most populous of 184 combined statistical areas in the United States, with 4,899,104 residents across 19,326 square miles. That is about 253 people per square mile.

At the 2020 census

Population 4,899,104
Land area 19,326 sq mi
Density 253 / sq mi

Data: 2020 Census · American Community Survey 2024

How Phoenix-Mesa, AZ Combined Statistical Area compares to the US

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Central Location: Phoenix-Mesa, AZ Combined Statistical Area

Measured from the combined statistical area's main population center using 2020 census blocks.

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Counties in the Phoenix-Mesa, AZ Combined Statistical Area area

Name Population Sq mi Per sq mi
Maricopa County 4,420,573 9,202.0 480
County Pinal 425,259 5,365.6 79
Gila County 53,272 4,757.6 11

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About this page

This page shows demographics for a US combined statistical area from the 2020 census and the American Community Survey: population, land area, density, and how the region compares to national averages.

Combined areas are built from whole counties, listed below. Statistics aggregate the member counties' census tracts.

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