6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 83647 | Mountain Home | 22,952 |
| 83716 | Boise | 21,402 |
| 83648 | Mountain Home Afb | 3,219 |
| 83623 | Glenns Ferry | 1,521 |
| 83633 | King Hill | 502 |
| 83337 | Hill City | 29 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Elmore County, Idaho (US Census).