24 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Phoenix | 1 | 1,703,449 | 1,612,593 | 0.9% | 3,286 | 518 | City |
| Mesa | 2 | 522,751 | 505,950 | 0.54% | 3,682 | 142 | City |
| Gilbert | 3 | 298,470 | 269,429 | 1.65% | 4,347 | 69 | Town |
| Chandler | 4 | 283,132 | 277,429 | 0.34% | 4,313 | 66 | City |
| Glendale | 5 | 262,745 | 248,938 | 0.88% | 3,914 | 67 | City |
| Scottsdale | 6 | 248,321 | 241,868 | 0.44% | 1,350 | 184 | City |
| Peoria | 7 | 203,891 | 191,989 | 0.98% | 1,154 | 177 | City |
| Tempe | 8 | 192,514 | 185,313 | 0.63% | 4,815 | 40 | City |
| Surprise | 9 | 179,149 | 144,393 | 3.34% | 1,621 | 111 | City |
| Goodyear | 10 | 128,372 | 97,814 | 4.13% | 671 | 191 | City |
| Buckeye | 11 | 124,630 | 93,741 | 4.31% | 315 | 396 | City |
| Avondale | 12 | 100,130 | 89,566 | 1.79% | 2,093 | 48 | City |
| Queen Creek | 13 | 95,235 | 60,872 | 6.4% | 2,262 | 42 | Town |
| El Mirage | 14 | 36,725 | 35,953 | 0.35% | 3,709 | 10 | City |
| Fountain Hills | 15 | 23,607 | 23,873 | -0.19% | 1,164 | 20 | Town |
| Paradise Valley | 16 | 12,441 | 12,686 | -0.33% | 809 | 15 | Town |
| Tolleson | 17 | 10,395 | 7,268 | 5.28% | 1,813 | 6 | City |
| Wickenburg | 18 | 8,671 | 7,561 | 2.18% | 322 | 27 | Town |
| Youngtown | 19 | 7,061 | 7,064 | 0% | 4,748 | 1 | Town |
| Litchfield Park | 20 | 6,846 | 6,897 | -0.12% | 2,088 | 3 | City |
| Cave Creek | 21 | 5,300 | 4,931 | 1.18% | 141 | 38 | Town |
| Guadalupe | 22 | 5,131 | 5,328 | -0.64% | 6,422 | 1 | Town |
| Carefree | 23 | 3,641 | 3,689 | -0.22% | 413 | 9 | Town |
| Gila Bend | 24 | 1,825 | 1,890 | -0.6% | 28 | 64 | Town |
Phoenix is the largest city in Maricopa County, with a population of 1,703,449.
Gila Bend is the smallest city in Maricopa County, with a population of 1,825.
There are 24 cities in Maricopa County, Arizona.