Cache County, Utah ZIP Codes
- ZIP records
18 - Cities represented
16 - Sum of listed ZIP population estimates
140,046
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 | 84321 | Logan | 51,702 |
| 2 | 84341 | Logan | 25,560 |
| 3 | 84335 | Smithfield | 16,210 |
| 4 | 84319 | Hyrum | 10,931 |
| 5 | 84332 | Providence | 8,954 |
| 6 | 84339 | Wellsville | 6,295 |
| 7 | 84318 | Hyde Park | 5,604 |
| 8 | 84320 | Lewiston | 3,162 |
| 9 | 84333 | Richmond | 3,093 |
| 10 | 84325 | Mendon | 2,525 |
Cities in Cache County
- Cache Junction
- Clarkston
- Cornish
- Hyde Park
- Hyrum
- Lewiston
- Logan
- Mendon
- Millville
- Newton
- Paradise
- Providence
- Richmond
- Smithfield
- Trenton
- Wellsville
ZIP Directory
- ZIP 84304
- ZIP 84305
- ZIP 84308
- ZIP 84318
- ZIP 84319
- ZIP 84320
- ZIP 84321
- ZIP 84322
- ZIP 84325
- ZIP 84326
- ZIP 84327
- ZIP 84328
- ZIP 84332
- ZIP 84333
- ZIP 84335
- ZIP 84338
- ZIP 84339
- ZIP 84341
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.