24 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Phoenix | 1 | 1,688,306 | 1,612,593 | 0.9% | 3,257 | 518 | City |
| Mesa | 2 | 519,951 | 505,950 | 0.54% | 3,663 | 142 | City |
| Gilbert | 3 | 293,630 | 269,429 | 1.68% | 4,276 | 69 | Town |
| Chandler | 4 | 282,181 | 277,429 | 0.34% | 4,299 | 66 | City |
| Glendale | 5 | 260,444 | 248,938 | 0.89% | 3,880 | 67 | City |
| Scottsdale | 6 | 247,245 | 241,868 | 0.44% | 1,344 | 184 | City |
| Peoria | 7 | 201,907 | 191,989 | 0.99% | 1,143 | 177 | City |
| Tempe | 8 | 191,314 | 185,313 | 0.63% | 4,785 | 40 | City |
| Surprise | 9 | 173,356 | 144,393 | 3.46% | 1,569 | 111 | City |
| Goodyear | 10 | 123,279 | 97,814 | 4.31% | 644 | 191 | City |
| Buckeye | 11 | 119,482 | 93,741 | 4.5% | 302 | 396 | City |
| Avondale | 12 | 98,369 | 89,566 | 1.82% | 2,056 | 48 | City |
| Queen Creek | 13 | 89,508 | 60,872 | 6.84% | 2,126 | 42 | Town |
| El Mirage | 14 | 36,596 | 35,953 | 0.35% | 3,696 | 10 | City |
| Fountain Hills | 15 | 23,651 | 23,873 | -0.19% | 1,166 | 20 | Town |
| Paradise Valley | 16 | 12,482 | 12,686 | -0.33% | 812 | 15 | Town |
| Tolleson | 17 | 9,874 | 7,268 | 5.57% | 1,722 | 6 | City |
| Wickenburg | 18 | 8,486 | 7,561 | 2.23% | 315 | 27 | Town |
| Youngtown | 19 | 7,061 | 7,064 | -0.01% | 4,748 | 1 | Town |
| Litchfield Park | 20 | 6,854 | 6,897 | -0.13% | 2,090 | 3 | City |
| Cave Creek | 21 | 5,238 | 4,931 | 1.18% | 139 | 38 | Town |
| Guadalupe | 22 | 5,164 | 5,328 | -0.63% | 6,463 | 1 | Town |
| Carefree | 23 | 3,649 | 3,689 | -0.22% | 414 | 9 | Town |
| Gila Bend | 24 | 1,836 | 1,890 | -0.6% | 29 | 64 | Town |
Phoenix is the largest city in Maricopa County, with a population of 1,688,306.
Gila Bend is the smallest city in Maricopa County, with a population of 1,836.
There are 24 cities in Maricopa County, Arizona.