9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Maricopa | 1 | 81,103 | 58,856 | 5.8% | 1,909 | 42 | City |
| Casa Grande | 2 | 72,627 | 54,126 | 5.37% | 636 | 114 | City |
| Apache Junction | 3 | 45,702 | 38,735 | 3.14% | 1,006 | 45 | City |
| Florence | 4 | 24,290 | 27,295 | -2.41% | 388 | 63 | Town |
| Coolidge | 5 | 21,234 | 13,433 | 7.93% | 254 | 83 | City |
| Eloy | 6 | 20,080 | 15,673 | 4.59% | 175 | 115 | City |
| Superior | 7 | 2,746 | 2,424 | 2.39% | 242 | 11 | Town |
| Kearny | 8 | 1,937 | 1,739 | 2.05% | 718 | 3 | Town |
| Mammoth | 9 | 1,205 | 1,085 | 2.03% | 46 | 26 | Town |
Maricopa is the largest city in Pinal County, with a population of 81,103.
Mammoth is the smallest city in Pinal County, with a population of 1,205.
There are 9 cities in Pinal County, Arizona.