29 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 85142 | Queen Creek | 93,700 |
| 85122 | Casa Grande | 61,624 |
| 85138 | Maricopa | 55,260 |
| 85140 | San Tan Valley | 51,260 |
| 85143 | San Tan Valley | 44,444 |
| 85132 | Florence | 38,671 |
| 85120 | Apache Junction | 31,191 |
| 85119 | Apache Junction | 25,420 |
| 85139 | Maricopa | 20,784 |
| 85128 | Coolidge | 19,487 |
| 85131 | Eloy | 18,794 |
| 85739 | Tucson | 18,478 |
| 85658 | Marana | 16,051 |
| 85118 | Gold Canyon | 14,932 |
| 85123 | Arizona City | 10,003 |
| 85194 | Casa Grande | 8,077 |
| 85623 | Oracle | 5,558 |
| 85147 | Sacaton | 4,911 |
| 85193 | Casa Grande | 4,118 |
| 85631 | San Manuel | 3,508 |
| 85145 | Red Rock | 3,277 |
| 85121 | Bapchule | 2,800 |
| 85173 | Superior | 2,600 |
| 85137 | Kearny | 2,406 |
| 85192 | Winkelman | 1,849 |
| 85172 | Stanfield | 1,688 |
| 85618 | Mammoth | 1,550 |
| 85141 | Picacho | 364 |
| 85191 | Valley Farms | 32 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 29 ZCTAs in Pinal County, Arizona (US Census).