Population in Arizona by County

Total population.

U.S. Census Bureau · ACS 5-year 2020-2024 · Updated November 2026

Arizona

7,378,838

Counties

15

Highest

Maricopa

4,559,748

Lowest

Greenlee

9,409

All Arizona counties, ranked

# Counties Population
1 Maricopa 4,559,748
2 Pima 1,060,490
3 Pinal 469,006
4 Yavapai 245,480
5 Mohave 220,517
6 Yuma 211,741
7 Coconino 144,508
8 Cochise 125,566
9 Navajo 108,415
10 Apache 65,341
11 Gila 53,795
12 Santa Cruz 48,926
13 Graham 39,232
14 La Paz 16,664
15 Greenlee 9,409

About this dataset

Total population. Source: ACS 5-year 2020-2024 Data Profile, variable DP05_0001E. Values in people.

Source
U.S. Census Bureau
Citation
U.S. Census Bureau, American Community Survey 5-Year Estimates Data Profiles (2020-2024), DP05_0001E
Vintage
ACS 5-year 2020-2024
License
Public domain (U.S. Census Bureau)
Unit
people
Available at
State · County · ZIP code
Territory roll-up
Summed across each territory
Last loaded
November 2026

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Population by county in other states

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US Population nationwide