84128 ZIP Code, West Valley City, UT
84128 is a ZIP code in West Valley City, Utah in Salt Lake County. It covers 8.4 square miles of land. The closest ZIP codes are 84120, 84118 and 84104. 32,126 people live here in 8,414 households. At about 3,834 people per square mile it has suburban density, and most homes are owner-occupied (88%). Median household income is $110,726, above the Utah median of $95,166; 51% of households have children under 18.
Quick facts
- Mailing city: West Valley City, UT
- County: Salt Lake County
- Land area: 8.4 sq mi
- Population: 32,126
- Median household income: $110,726
- Carrier routes: 13 (8,361 homes)
Key figures
| Measure | Value |
|---|---|
| Residents | 32,126 |
| Households | 8,414 |
| Median household income | $110,726 |
| Income per person | $30,735 |
| Median age | 30.9 |
| Homeowners | 88.2% |
| Median home value | $438,300 |
| Median rent | $1,866 |
| Bachelor's degree or higher | 17.1% |
| Average commute (minutes) | 25.1 |
| Households with kids under 18 | 50.6% |
| Moved in the past year | 7.9% |
| Below the poverty line | 5.2% |
| Broadband internet | 95.5% |
| Speak a non-English language at home | 42.7% |
Household income
| % of households | Value |
|---|---|
| <$10K | 1.0% |
| $10–15K | 0.8% |
| $15–25K | 1.5% |
| $25–35K | 4.0% |
| $35–50K | 4.9% |
| $50–75K | 12.9% |
| $75–100K | 15.6% |
| $100–150K | 37.1% |
| $150–200K | 13.8% |
| $200K+ | 8.3% |
Age
| % of all residents | Value |
|---|---|
| <10 | 16.8% |
| 10–19 | 19.2% |
| 20–24 | 7.0% |
| 25–34 | 13.0% |
| 35–44 | 14.1% |
| 45–54 | 11.3% |
| 55–64 | 10.3% |
| 65–74 | 5.7% |
| 75+ | 2.8% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 69.7% |
| Owned outright | 16.9% |
| Rented | 11.4% |
| Vacant | 2.1% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 86.5% |
| Townhome | 6.4% |
| 2–4 units | 1.3% |
| 5–19 units | 0.4% |
| 20+ units | 2.4% |
| Mobile / other | 3.0% |
Businesses in 84128
317 business establishments with 2,607 employees (ZIP Codes Business Patterns 2023).
- Construction: 106
- Transportation and Warehousing: 39
- Administrative and Support and Waste Management and Remediation Services: 33
- Professional, Scientific, and Technical Services: 21
- Other Services (except Public Administration): 21
- Retail Trade: 18
- Health Care and Social Assistance: 18
- Accommodation and Food Services: 14
EDDM carrier routes
84128 has 13 USPS carrier routes with 8,361 residential and 199 business mailboxes. Open the EDDM route map.
Carrier routes in 84128
84128 has 13 USPS carrier routes (10 city (C), 3 rural (R)) with 8,361 residential and 199 business mailboxes. Routes range from 120 homes (C037) to 994 homes (C024); the median route has 694 homes. The Census counted 8,414 households in 84128 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.
| Homes per route | Routes |
|---|---|
| 1–249 | 2 |
| 250–499 | 1 |
| 500–749 | 5 |
| 750–999 | 5 |
| 1,000–1,499 | 0 |
| 1,500+ | 0 |
Best routes in 84128 for…
Most businesses
For B2B offers: office supplies, cleaning, IT, catering and commercial services.
- Route C011 — USPS business mailboxes 71, 820 homes
- Route C018 — USPS business mailboxes 66, 595 homes
- Route C028 — USPS business mailboxes 22, 889 homes
- Route C024 — USPS business mailboxes 12, 994 homes
- Route C003 — USPS business mailboxes 12, 689 homes
Select these 5 routes on the route map
Every carrier route in 84128
| Route | Type | Homes | Businesses | Est. median income | Est. owners | Est. families with kids | Est. moved in past year |
|---|---|---|---|---|---|---|---|
| C003 | City | 689 | 12 | $111,555 | — | — | — |
| C011 | City | 820 | 71 | $78,183 | — | — | — |
| C014 | City | 746 | 0 | $85,625 | — | — | — |
| C018 | City | 595 | 66 | $111,720 | — | — | — |
| C022 | City | 627 | 9 | $102,790 | — | — | — |
| C024 | City | 994 | 12 | $87,703 | — | — | — |
| C026 | City | 906 | 4 | $87,703 | — | — | — |
| C028 | City | 889 | 22 | $111,720 | — | — | — |
| C031 | City | 785 | 0 | $97,364 | — | — | — |
| C037 | City | 120 | 0 | $111,720 | — | — | — |
| R002 | Rural | 694 | 3 | $111,555 | — | — | — |
| R004 | Rural | 315 | 0 | $124,437 | — | — | — |
| R005 | Rural | 181 | 0 | $111,555 | — | — | — |
Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 84128 on the EDDM route map.
How route demographics are estimated
Mailbox counts come from USPS; demographics are estimates
The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).
How a route gets its figures: the block-group length-share method
We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.
Margins of error
Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.
Different years
USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.
Why some routes show identical figures
Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.
Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Nearby ZIP codes
- 84120 — West Valley City city, UT (2.2 mi)
- 84118 — West Valley City city, UT (3.4 mi)
- 84104 — Salt Lake City city, UT (4.4 mi)
- 84044 — Magna metro township, UT (4.6 mi)
- 84119 — West Valley City city, UT (5 mi)
- 84129 — Taylorsville city, UT (5.5 mi)
- 84084 — West Jordan city, UT (7 mi)
- 84081 — West Jordan city, UT (7.1 mi)
Areas that include 84128
- Salt Lake City, UT ZIP codes — 25 ZIP codes
- West Valley City, UT ZIP codes — 4 ZIP codes
- Salt Lake County ZIP codes — 42 ZIP codes
- Utah ZIP code data
Where it ranks
- No. 3 of 37: highest share of owner-occupied homes in Salt Lake County
- No. 3 of 37: highest share of households with children in Salt Lake County
- No. 5 of 37: lowest median age in Salt Lake County
- No. 4 of 34: fastest population growth in Salt Lake County
Mail every home in 84128
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 84128, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 84128 in?
- 84128 is a West Valley City, UT mailing address. By land area, 83% lies inside West Valley City and 17% lies inside Salt Lake City.
- What county is 84128 in?
- 84128 is in Salt Lake County.
- What is the population of 84128?
- About 32,126 people (±3,215), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 31,406.
- What is the median household income in 84128?
- $110,726 (±$4,091), compared with $95,166 for Utah as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 84128?
- 13 USPS carrier routes with 8,361 residential and 199 business mailboxes (8,560 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
- What ZIP codes are near 84128?
- The closest, measured center to center: 84120 (2.2 mi, West Valley City), 84118 (3.4 mi, West Valley City), 84104 (4.4 mi, Salt Lake City), 84044 (4.6 mi, Magna metro township, UT), 84119 (5 mi, West Valley City) and 84129 (5.5 mi, Taylorsville).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.