Founded in 1919, Jerome County is one of 44 counties in the state of Idaho. Historically, Jerome County was formed from Gooding and Lincoln Counties. The city of Jerome is the county seat. With FIPS code of 53, Jerome County has a population of 24,662 and area of 600 square miles (1,554 km2).
List of all cities in Jerome County, ID alphabetically
| City/Town | Postal Code | Area Code |
| Appleton, ID | 83338 | 208 |
| Eden, ID | 83325 | 208 |
| Falls City, ID | 83338 | 208 |
| Hazelton, ID | 83335 | 208 |
| Jerome, ID | 83338 | 208 |
| Sugar Loaf, ID | 83338 | 208 |