Cache County, UT ZIP codes
Cache County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Cache County ZIP codes
The ZIP codes of Cache County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Cache County in numbers
About 140,046 people live in Cache County, in 44,439 households, the 6th most populous of Utah's 29 counties. The median household income is $81,665 a year, 14% below the Utah median of $95,166 (US: $80,734). The median owner-occupied home is valued at $444,400 (9% below the Utah median), and median gross rent is $1,213 a month. The median age is 26.2; 42.2% of adults 25 and over hold a bachelor's degree or higher (37.7% across Utah); the average commute takes 18 minutes.
| Population | 140,046 |
|---|---|
| Households | 44,439 |
| Median age | 26.2 |
| Median household income | $81,665 |
| Median home value | $444,400 |
| Median gross rent | $1,213 |
| Bachelor's degree or higher | 42.2% |
| Mean commute | 17.7 min |
| Population density | 120 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Cache County
| Town | ZIP codes | Population |
|---|---|---|
| Logan | 4 | 54,907 |
| Smithfield | 1 | 14,408 |
| Hyrum | 1 | 10,401 |
| Providence | 1 | 8,947 |
| Hyde Park | 1 | 5,540 |
| Wellsville | 1 | 4,157 |
| Richmond | 1 | 3,000 |
| Lewiston | 1 | 2,408 |
| Millville | 1 | 1,800 |
| Mendon | 1 | 1,482 |
| Newton | 1 | 756 |
| Paradise | 1 | 679 |
| Clarkston | 1 | 623 |
| Trenton | 1 | 526 |
| Cornish | 1 | 236 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Not sure you are in Cache County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Cache County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
84304 | Cache Junction , UT | Standard | 6 | — | — |
84305 | Clarkston , UT | Standard | 667 | $64,583 | $339,200 |
84308 | Cornish , UT | Standard | 260 | $83,333 | $309,400 |
84318 | Hyde Park , UT | Standard | 5,604 | $113,194 | $566,600 |
84319 | Hyrum , UT | Standard | 10,931 | $89,189 | $425,200 |
84320 | Lewiston , UT | Standard | 3,162 | $103,810 | $380,200 |
84321 | Logan , UT | Standard | 51,702 | $69,148 | $400,500 |
84322 | Logan , UT | Standard | 0 | — | — |
84323 | Logan , UT | No street area | — | — | — |
84325 | Mendon , UT | Standard | 2,525 | $116,094 | $609,300 |
84326 | Millville , UT | Standard | 1,949 | $91,971 | $494,600 |
84327 | Newton , UT | Standard | 921 | $77,024 | $388,300 |
84328 | Paradise , UT | Standard | 1,681 | $113,646 | $586,700 |
84332 | Providence , UT | Standard | 8,954 | $117,987 | $515,900 |
84333 | Richmond , UT | Standard | 3,093 | $108,750 | $398,900 |
84335 | Smithfield , UT | Standard | 16,210 | $97,979 | $448,300 |
84338 | Trenton , UT | Standard | 526 | $95,313 | $358,300 |
84339 | Wellsville , UT | Standard | 6,295 | $112,744 | $480,400 |
84341 | Logan , UT | Standard | 25,560 | $69,310 | $465,700 |
Cite this page
zipcodes.pro. “Cache County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ut/county/cache
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