9 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Maricopa | 1 | 85,553 | 58,856 | 5.49% | 2,013 | 42 | City |
| Casa Grande | 2 | 76,327 | 54,126 | 5.09% | 668 | 114 | City |
| Apache Junction | 3 | 47,096 | 38,735 | 3.05% | 1,036 | 45 | City |
| Florence | 4 | 23,689 | 27,295 | -2.47% | 378 | 63 | Town |
| Coolidge | 5 | 22,794 | 13,433 | 7.35% | 273 | 83 | City |
| Eloy | 6 | 20,962 | 15,673 | 4.39% | 183 | 115 | City |
| Superior | 7 | 2,811 | 2,424 | 2.37% | 247 | 11 | Town |
| Kearny | 8 | 1,977 | 1,739 | 2.07% | 733 | 3 | Town |
| Mammoth | 9 | 1,229 | 1,085 | 1.99% | 47 | 26 | Town |
Maricopa is the largest city in Pinal County, with a population of 85,553.
Mammoth is the smallest city in Pinal County, with a population of 1,229.
There are 9 cities in Pinal County, Arizona.