Postal Codes

84120 ZIP Code

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ZIP code 84120 covers West Valley City, Utah, with a population of about 50,589 and a median household income of $90,847.

Population
50,5895,010 per square mile
Median age
30.97.8 points below the US average
Median household income
$90,847about the Utah median
Poverty rate
12.8%about the US average
Typical home value
$472,389up 18% in five years
Median rent
$1,434about the Utah median
Degree or higher
14.8%20.2 points below the US average
Homeownership
75.6%10.6 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
839

Where 84120 is

West Valley City, Utah — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population50,589
Median age30.9
Family households82%
Born outside the US24.1%
Speaks a language other than English at home40.6%
White (non-Hispanic)41.9%
Black (non-Hispanic)2.1%
Asian (non-Hispanic)6.5%
Hispanic or Latino40.1%
Veterans3.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$90,847
Income per person$28,295
Poverty rate12.8%
Households on SNAP or cash assistance14%

Household income distribution

Under $10k1.3%
$10–15k1.3%
$15–20k1.7%
$20–25k2.4%
$25–30k2.3%
$30–35k2.8%
$35–40k4.5%
$40–45k4.0%
$45–50k3.6%
$50–60k6.7%
$60–75k11.3%
$75–100k14.2%
$100–125k13.4%
$125–150k11.6%
$150–200k10.8%
$200k or more8.1%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed23,230
Mean adjusted gross income$53,508
Returns declaring $200,000 or more1.1%
Returns, under $25k27.2%
Returns, $25k–$50k32.2%
Returns, $50k–$75k18.3%
Returns, $75k–$100k10.2%
Returns, $100k–$200k11.1%
Returns, $200k or more1.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$370,800
Median gross rent$1,434
Rent as a share of household income30.1%
Owner-occupied75.6%
Vacant homes4.7%
Median year built1977

What the homes are

Detached house77.4%
Attached house5.3%
2 to 4 units5.2%
5 to 19 units3.5%
20 or more units5.2%
Mobile home3.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$472,389as of 2026-07
Typical home value, 1 yearup 0.8%
Typical home value, 5 yearsup 18%
Typical home value, 10 yearsup 116.1%
Typical asking rent$1,674as of 2026-07
Typical asking rent, 1 yeardown 3.2%
Typical home value since 2000
200020132026$473,621$146,500

$150,062 in 2000 to $472,389 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.4%
Bachelor's degree or higher14.8%
High school diploma or higher80.8%
Works from home9.9%
Drives to work alone71%
Takes public transport1.7%
Commutes 45 minutes or more6.8%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity33.2% same as the national average of 33.4%
Diagnosed diabetes10.9% 1.1 pts below the national average of 12%
Currently smokes10.7% 2.5 pts below the national average of 13.2%
High blood pressure29.7% 4.4 pts below the national average of 34.1%
Fair or poor general health22.6% 2.3 pts above the national average of 20.3%
No health insurance (18–64)19.5% 8.2 pts above the national average of 11.3%
Depression27.2% 5.3 pts above the national average of 21.9%
No leisure-time physical activity25.7% same as the national average of 25.4%
Arthritis21.9% 3.2 pts below the national average of 25.1%
Binge drinking14.1% 1.9 pts below the national average of 16%
Taking blood pressure medication65.6% 9.1 pts below the national average of 74.7%
Cancer (non-skin)6.1% 1.6 pts below the national average of 7.7%
Current asthma11.3% 0.9 pts above the national average of 10.4%
Coronary heart disease5.2% 1 pts below the national average of 6.2%
Routine check-up in past year67.7% 9 pts below the national average of 76.7%
Cholesterol screening78.1% 7.8 pts below the national average of 85.9%
Cognitive disability18.5% 3.7 pts above the national average of 14.8%
Colorectal screening60.3% 4 pts below the national average of 64.3%
COPD5.6% 1 pts below the national average of 6.6%
Visited a dentist61.6% same as the national average of 61.3%
Any disability34.3% 3.6 pts above the national average of 30.7%
Lacks emotional support27.1% 2.3 pts above the national average of 24.8%
Food insecurity23.2% 6.1 pts above the national average of 17.1%
Received food stamps11.2% 3.1 pts below the national average of 14.3%
Hearing disability7% same as the national average of 6.7%
High cholesterol31.8% 4.4 pts below the national average of 36.2%
Housing insecurity17.3% 3.5 pts above the national average of 13.8%
Independent living disability8.7% same as the national average of 8.4%
Lacks transport10.7% 1.5 pts above the national average of 9.2%
Loneliness39% 4.6 pts above the national average of 34.4%
Mammography use70.2% 5.7 pts below the national average of 75.9%
Poor mental health (14+ days)19.3% 2.5 pts above the national average of 16.8%
Mobility disability14% same as the national average of 14%
Poor physical health (14+ days)15.3% 1.8 pts above the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat10.2% 1.4 pts above the national average of 8.8%
Sleeps under 7 hours37.7% 1.3 pts above the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost14.8% 1.8 pts above the national average of 13%
Vision disability6.3% 0.7 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments839
People employed27,722
Annual payroll$1,713,279,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 79.9% of US census tracts
FEMA ratingVery Low to Very High across the 13 census tracts this ZIP code covers
Expected annual loss82.8 out of 100
Community resilience55.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Earthquake96.7Very High at its worst in this ZIP code
Winter weather80.9Relatively High at its worst in this ZIP code
Volcanic activity65.1Very Low at its worst in this ZIP code
Lightning50.2Relatively Moderate at its worst in this ZIP code
Wildfire46.5Relatively Moderate at its worst in this ZIP code
Hail44.5Relatively Moderate at its worst in this ZIP code
Heat wave38.2Relatively Moderate at its worst in this ZIP code
Strong wind35.5Relatively Moderate at its worst in this ZIP code
River flooding33.7Relatively High at its worst in this ZIP code
Tornado33Relatively Low at its worst in this ZIP code
Drought26.5Very Low at its worst in this ZIP code
Landslide21.7Very Low at its worst in this ZIP code
Cold wave19Relatively Low at its worst in this ZIP code
Ice storm1.7Very Low at its worst in this ZIP code
Compared with Utah and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPUtahUnited States
Median household income$90,847$91,750$78,538
Income per person$28,295$39,240$43,289
Poverty rate12.8%8.6%12.4%
Median home value$370,800$455,000$303,400
Median gross rent$1,434$1,405$1,348
Homeownership75.6%70.6%65%
Bachelor's degree or higher14.8%36.9%35%
Unemployment rate3.4%3.4%5.2%
Works from home9.9%16%13.5%
Born outside the US24.1%8.6%13.9%
Median age30.931.738.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSALT LAKE CITY INTL AP, UT US10 km away
Rain in a year16 in
Snow in a year52 in

Average high and low by month

January38.6°F / 24.2°F1.43 in rain, 12.7 in snow
February44.7°F / 28.6°F1.3 in rain, 10.7 in snow
March55.3°F / 36.3°F1.75 in rain, 5.9 in snow
April61.9°F / 41.8°F2.16 in rain, 2.9 in snow
May72.6°F / 50.4°F1.82 in rain, 0.1 in snow
June84.1°F / 59.1°F0.95 in rain
July94°F / 68.2°F0.49 in rain
August91.7°F / 66.6°F0.58 in rain
September80.6°F / 56.3°F1.06 in rain
October65.5°F / 43.6°F1.26 in rain, 0.5 in snow
November50.7°F / 32.8°F1.32 in rain, 7 in snow
December39°F / 25.3°F1.4 in rain, 12.1 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Granite School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability69more vulnerable than 69% of US census tracts
Socioeconomic status59more vulnerable than 59% of US census tracts
Household characteristics72more vulnerable than 72% of US census tracts
Racial and ethnic minority status72more vulnerable than 72% of US census tracts
Housing type and transport63more vulnerable than 63% of US census tracts
Walkability13.8 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

84119 West Valley City, UT0 km away
84128 West Valley City, UT0 km away
84184 Salt Lake City, UT4.1 km away
84118 Salt Lake City, UT4.6 km away
84129 Salt Lake City, UT5.1 km away
84199 Salt Lake City, UT6.4 km away
84044 Magna, UT6.8 km away
84123 Salt Lake City, UT7.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Salt Lake County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area10.1 sq mi
Population density5,010 people per sq mi
Latitude, longitude40.6916, -112.0011

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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