Zip Code 84120 — West Valley City, UT
84120 is a ZIP Code associated with West Valley City, UT, located within Salt Lake. The postal region supports an estimated population of 50,799 residents across Data Pending housing units, with a population density of 1,942.3 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.696860, -112.001780)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 84120 |
| Primary City | West Valley City |
| State / Province | UT |
| County | Salt Lake |
| Total Population | 50,799 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 1,942.3 people/sq mi |
| Timezone | America/Denver |
How 84120 Compares
| Metric | ZIP 84120 | Salt Lake County | UT State Average |
|---|
| Population | 50,799 | 1,199,921 | 3,390,495 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 1,942.3 /sq mi | -- | -- |
Nearby ZIP Codes
| ZIP Code | City | Distance | Population | Median Income |
|---|
| Zip 84128 | West Valley City | 2.2 mi | 32,126 | N/A |
| Zip 84119 | West Valley City | 3.0 mi | 50,070 | N/A |
| Zip 84118 | Salt Lake City | 3.4 mi | 42,853 | N/A |
| Zip 84129 | Salt Lake City | 3.6 mi | 37,442 | N/A |
| Zip 84104 | Salt Lake City | 3.7 mi | 23,420 | N/A |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →