Cache County, Utah ZIP codes
19 ZIP codes are in Cache County. It's part of the Logan, UT-ID metro area.
- ZIP codes
- 19
- Population in these ZIPs
- 140,046
- Avg. median income
- $84,400population-weighted
- Cities & towns
- 16
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Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Cache County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 84304 | Cache Junction | 6 | — | — |
| 84305 | Clarkston | 667 | $64,583 | $443,600 |
| 84308 | Cornish | 260 | $83,333 | $309,400 |
| 84318 | Hyde Park | 5,604 | $113,194 | $587,400 |
| 84319 | Hyrum | 10,931 | $89,189 | $448,200 |
| 84320 | Lewiston | 3,162 | $103,810 | $478,600 |
| 84321 | Logan | 51,702 | $69,148 | $422,400 |
| 84322 | Logan | 0 | — | — |
| 84323 PO Box | Logan | — | — | — |
| 84325 | Mendon | 2,525 | $116,094 | $654,600 |
| 84326 | Millville | 1,949 | $91,971 | $555,800 |
| 84327 | Newton | 921 | $77,024 | $473,200 |
| 84328 | Paradise | 1,681 | $113,646 | $689,900 |
| 84332 | Providence | 8,954 | $117,987 | $510,900 |
| 84333 | Richmond | 3,093 | $108,750 | $476,100 |
| 84335 | Smithfield | 16,210 | $97,979 | $478,700 |
| 84338 | Trenton | 526 | $95,313 | $472,800 |
| 84339 | Wellsville | 6,295 | $112,744 | $570,600 |
| 84341 | Logan | 25,560 | $69,310 | $473,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Cache County
Nearby counties
Frequently asked questions
How many ZIP codes are in Cache County, Utah?
19 ZIP codes are mainly in Cache County.
What cities are in Cache County?
ZIP codes in Cache County use the city names Cache Junction, Clarkston, Cornish, Hyde Park, Hyrum, Lewiston, Logan, Mendon, Millville, Newton, Paradise and Providence and others.
What metro area is Cache County in?
Cache County is part of the Logan, UT-ID metropolitan statistical area.