Founded in 1864, Yuma County is one of 15 counties in the state of Arizona. The city of Yuma is the county seat. With FIPS code of 27, Yuma County has a population of 206,990 and area of 5,519 square miles (14,294 km2).
List of all cities in Yuma County, AZ alphabetically
| City/Town | Postal Code | Area Code |
| Dateland, AZ | 85333 | 928 |
| Gadsden, AZ | 85336 | 928 |
| Martinez Lake, AZ | 85365 | 928 |
| Roll, AZ | 85347 | 928 |
| San Luis, AZ | 85349 | 928 |
| Somerton, AZ | 85350 | 928 |
| Tacna, AZ | 85352 | 928 |
| Wellton, AZ | 85356 | 928 |
| Ypg, AZ | 85365 | 928 |
| Yuma, AZ | 85364 | 928 |
| 85365 | 928 | |
| 85366 | 928 | |
| 85367 | 928 | |
| 85369 | 928 | |
| Yuma Proving Ground, AZ | 85365 | 928 |
Map of Cities in Yuma County, AZ
