| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Maricopa | 1 | 82,372 | 58,848 | 5.12% | 1,939 | 42 | City |
| Casa Grande | 2 | 73,011 | 54,166 | 4.67% | 639 | 114 | City |
| Apache Junction | 3 | 46,784 | 38,726 | 2.43% | 1,029 | 45 | City |
| Florence | 4 | 24,526 | 27,271 | -2.76% | 392 | 63 | Town |
| Coolidge | 5 | 21,392 | 13,425 | 7.18% | 256 | 83 | City |
| Eloy | 6 | 20,923 | 15,692 | 4.79% | 182 | 115 | City |
| Superior | 7 | 2,658 | 2,426 | 1.8% | 234 | 11 | Town |
| Kearny | 8 | 1,876 | 1,741 | 1.46% | 696 | 3 | Town |
| Mammoth | 9 | 1,165 | 1,086 | 1.39% | 44 | 26 | Town |
Maricopa is the largest city in Pinal County, with a population of 82,372.
Mammoth is the smallest city in Pinal County, with a population of 1,165.
There are 9 cities in Pinal County, Arizona.