| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Phoenix | 1 | 1,677,947 | 1,612,458 | 0.75% | 3,237 | 518 | City |
| Mesa | 2 | 515,855 | 505,990 | 0.43% | 3,634 | 142 | City |
| Gilbert | 3 | 291,713 | 269,419 | 1.54% | 4,248 | 69 | Town |
| Chandler | 4 | 279,399 | 277,410 | 0.23% | 4,257 | 66 | City |
| Glendale | 5 | 262,540 | 248,901 | 0.76% | 3,911 | 67 | City |
| Scottsdale | 6 | 243,713 | 241,855 | 0.29% | 1,325 | 184 | City |
| Peoria | 7 | 202,571 | 191,975 | 0.84% | 1,146 | 177 | City |
| Tempe | 8 | 191,590 | 185,298 | 0.53% | 4,792 | 40 | City |
| Surprise | 9 | 181,107 | 144,390 | 3.31% | 1,639 | 111 | City |
| Buckeye | 10 | 131,812 | 93,422 | 5.08% | 333 | 396 | City |
| Goodyear | 11 | 130,332 | 97,774 | 3.97% | 681 | 191 | City |
| Avondale | 12 | 102,760 | 89,537 | 1.76% | 2,148 | 48 | City |
| Queen Creek | 13 | 95,338 | 60,700 | 6.2% | 2,264 | 42 | Town |
| El Mirage | 14 | 35,899 | 35,952 | 0.22% | 3,626 | 10 | City |
| Fountain Hills | 15 | 23,624 | 23,875 | 0% | 1,165 | 20 | Town |
| Paradise Valley | 16 | 12,205 | 12,683 | -0.38% | 794 | 15 | Town |
| Tolleson | 17 | 9,737 | 7,289 | 5.56% | 1,698 | 6 | City |
| Wickenburg | 18 | 8,493 | 7,560 | 2.26% | 315 | 27 | Town |
| Youngtown | 19 | 7,029 | 7,061 | -0.14% | 4,727 | 1 | Town |
| Litchfield Park | 20 | 6,708 | 6,895 | -0.28% | 2,046 | 3 | City |
| Cave Creek | 21 | 5,222 | 4,932 | 1.2% | 138 | 38 | Town |
| Guadalupe | 22 | 5,052 | 5,330 | -0.81% | 6,323 | 1 | Town |
| Carefree | 23 | 3,588 | 3,685 | -0.33% | 407 | 9 | Town |
| Gila Bend | 24 | 1,803 | 1,891 | -0.72% | 28 | 64 | Town |
Phoenix is the largest city in Maricopa County, with a population of 1,677,947.
Gila Bend is the smallest city in Maricopa County, with a population of 1,803.
There are 24 cities in Maricopa County, Arizona.