Arizona statistical areas

The U.S. State of Arizona currently has 13 statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated two combined statistical areas, seven metropolitan statistical areas, and four micropolitan statistical areas in Arizona.[1] As of 2023, the most populous of these is the Phoenix-Mesa, AZ Combined Statistical Area, encompassing the area around Arizona's capital and largest city, Phoenix.

Statistical areas

The Office of Management and Budget (OMB) has designated more than 1,000 statistical areas for the United States and Puerto Rico.[2] These statistical areas are important geographic delineations of population clusters used by the OMB, the United States Census Bureau, planning organizations, and federal, state, and local government entities.

The OMB defines a core-based statistical area (commonly referred to as a CBSA) as the county or counties (or county-equivalents) surrounding at least one densely-settled core of at least 10,000 population,[2] "plus adjacent counties having a high degree of social and economic integration with the core as measured through commuting ties with the counties containing the core".[2] The OMB further divides core-based statistical areas based on population into metropolitan statistical areas (MSAs) for those with at least 50,000 and micropolitan statistical areas (μSAs) for those with 10,000 to 49,999 people.[2]

The OMB defines a combined statistical area (CSA) as two or more adjacent core-based statistical areas where the employment interchange rate (% commuting from A to B plus % commuting from B to A) is at least 15%.[2] The primary statistical areas (PSAs) include all combined statistical areas and any core-based statistical area that is not a constituent of a combined statistical area.

The 13 United States statistical areas and 15 counties of the State of Arizona
Combined statistical area[1] 2025 population (est.)[3] Core-based statistical area[1] 2025 population (est.)[3] County 2025 population (est.)[3]
Phoenix-Mesa, AZ CSA 5,282,739 Phoenix-Mesa-Chandler, AZ MSA 5,228,938 Maricopa County, Arizona 4,689,558
Pinal County, Arizona 539,380
Payson, AZ μSA 53,801 Gila County, Arizona 53,801
Tucson-Nogales, AZ CSA 1,124,705 Tucson, AZ MSA 1,074,685 Pima County, Arizona 1,074,685
Nogales, AZ μSA 50,020 Santa Cruz County, Arizona 50,020
none Prescott Valley-Prescott, AZ MSA 252,552 Yavapai County, Arizona 252,552
Lake Havasu City-Kingman, AZ MSA 228,102 Mohave County, Arizona 228,102
Yuma, AZ MSA 224,449 Yuma County, Arizona 224,449
Flagstaff, AZ MSA 144,368 Coconino County, Arizona 144,368
Sierra Vista-Douglas, AZ MSA 126,332 Cochise County, Arizona 126,332
Show Low, AZ μSA 109,946 Navajo County, Arizona 109,946
Safford, AZ μSA 40,157 Graham County, Arizona 40,157
none Apache County, Arizona 64,445
La Paz County, Arizona 16,711
Greenlee County, Arizona 9,312
State of Arizona 7,623,818
The 11 core-based statistical areas of the State of Arizona
2025 rank Core-based statistical area[1] Population
2025 estimate[3] Change 2020 Census[4] Change 2010 Census[5]
1 Phoenix-Mesa-Chandler, AZ MSA 5,228,938 +7.91% 4,845,832 +15.57% 4,192,887
2 Tucson, AZ MSA 1,074,685 +3.00% 1,043,433 +6.44% 980,263
3 Prescott Valley-Prescott, AZ MSA 252,552 +6.92% 236,209 +11.93% 211,033
4 Lake Havasu City-Kingman, AZ MSA 228,102 +6.96% 213,267 +6.53% 200,186
5 Yuma, AZ MSA 224,449 +10.09% 203,881 +4.15% 195,751
6 Flagstaff, AZ MSA 144,368 −0.51% 145,101 +7.95% 134,421
7 Sierra Vista-Douglas, AZ MSA 126,332 +0.71% 125,447 −4.49% 131,346
8 Show Low, AZ μSA 109,946 +3.03% 106,717 −0.68% 107,449
9 Payson, AZ μSA 53,801 +0.99% 53,272 −0.61% 53,597
10 Nogales, AZ μSA 50,020 +4.93% 47,669 +0.53% 47,420
11 Safford, AZ μSA 40,157 +4.21% 38,533 +3.53% 37,220
The two combined statistical areas of the State of Arizona
2025 rank Combined statistical area[1] Population
2025 estimate[3] Change 2020 Census[4] Change 2010 Census[5]
1 Phoenix-Mesa, AZ CSA 5,282,739 +7.83% 4,899,104 +15.37% 4,246,484
2 Tucson-Nogales, AZ CSA 1,124,705 +3.08% 1,091,102 +6.17% 1,027,683

See also

Notes

References

  1. ^ a b c d e Revised Delineations of Metropolitan Statistical Areas, Micropolitan Statistical Areas, and Combined Statistical Areas, and Guidance on Uses of the Delineations of These Areas (July 21, 2023). "0MB BULLETIN NO. 23-01" (PDF). Office of Management and Budget. Retrieved October 23, 2023.{{cite web}}: CS1 maint: multiple names: authors list (link)
  2. ^ a b c d e "2020 Standards for Delineating Core Based Statistical Areas". Office of Management and Budget. July 16, 2021. Retrieved December 13, 2021.
  3. ^ a b c d e "County Population Totals and Components of Change: 2020-2025". United States Census Bureau, Population Division. July 2025. Retrieved July 1, 2024.
  4. ^ a b "PROFILE OF GENERAL POPULATION AND HOUSING CHARACTERISTICS". U.S. Census Bureau. 2020. Retrieved May 21, 2024. Cite error: The named reference "USC2020" was defined multiple times with different content (see the help page).
  5. ^ a b "Annual Estimates of the Resident Population for Counties: April 1, 2010 to July 1, 2019". U.S. Census Bureau. 2019. Retrieved January 27, 2026.

34°16′28″N 111°39′37″W / 34.2744°N 111.6602°W / 34.2744; -111.6602 (State of Arizona)

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