Fremont County, Idaho ZIP Codes
- ZIP records
6 - Cities represented
6 - Sum of listed ZIP population estimates
11,766
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 | 83445 | Saint Anthony | 7,975 |
| 2 | 83420 | Ashton | 2,580 |
| 3 | 83429 | Island Park | 628 |
| 4 | 83438 | Parker | 327 |
| 5 | 83421 | Chester | 220 |
| 6 | 83433 | Macks Inn | 36 |
Cities in Fremont 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.