Lewiston, UT ZIP code
The ZIP code for Lewiston, Utah is 84320. It is in Cache County.
- Population in these ZIPs
- 3,162
- Avg. median income
- $103,800population-weighted
- Typical home value
- $478,600population-weighted
- Metro area
- Logan, UT-ID
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Lewiston, UT ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 84320 | 3,162 | $103,810 | $478,600 |
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 near Lewiston
- Richmond 4 mi
- Trenton 5 mi
- Cornish 6 mi
- Smithfield 9 mi
- Newton 10 mi
- Hyde Park 11 mi
- Clarkston 11 mi
- Cache Junction 11 mi
- Logan 14 mi
- Collinston 16 mi
- Fielding 16 mi
- Plymouth 17 mi
Frequently asked questions
What is the ZIP code for Lewiston, UT?
The ZIP code for Lewiston, UT is 84320.
What county is Lewiston, Utah in?
Lewiston ZIP codes are in Cache County.