Jefferson County, Idaho ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
32,160
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 83442 | Rigby | 25,609 |
| 2 | 83434 | Menan | 1,816 |
| 3 | 83444 | Roberts | 1,261 |
| 4 | 83450 | Terreton | 1,207 |
| 5 | 83431 | Lewisville | 1,045 |
| 6 | 83425 | Hamer | 622 |
| 7 | 83435 | Monteview | 600 |
Cities in Jefferson County
ZIP Directory
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.