Postal Codes

84121 ZIP Code

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ZIP code 84121 covers Salt Lake City, Utah, with a population of about 39,204 and a median household income of $114,912.

Population
39,204608 per square mile
Median age
40.11.4 points above the US average
Median household income
$114,9121.3× the Utah median
Poverty rate
6.5%5.9 points below the US average
Typical home value
$751,997up 18.2% in five years
Median rent
$1,7321.2× the Utah median
Degree or higher
52.3%17.3 points above the US average
Homeownership
74.3%9.3 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
1,613

Where 84121 is

Salt Lake 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

Population39,204
Median age40.1
Family households67.7%
Born outside the US7.3%
Speaks a language other than English at home10%
White (non-Hispanic)84.3%
Black (non-Hispanic)0.6%
Asian (non-Hispanic)3.7%
Hispanic or Latino6.8%
Veterans4.2%
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$114,912
Income per person$57,374
Poverty rate6.5%
Households on SNAP or cash assistance3.5%

Household income distribution

Under $10k2.8%
$10–15k1.9%
$15–20k2.0%
$20–25k1.3%
$25–30k1.1%
$30–35k2.5%
$35–40k1.7%
$40–45k2.0%
$45–50k3.7%
$50–60k4.5%
$60–75k7.5%
$75–100k12.8%
$100–125k9.8%
$125–150k11.6%
$150–200k14.7%
$200k or more20.1%

Income as declared to the IRS

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

Tax returns filed20,080
Mean adjusted gross income$147,453
Returns declaring $200,000 or more14.1%
Returns, under $25k20.6%
Returns, $25k–$50k18.7%
Returns, $50k–$75k14.6%
Returns, $75k–$100k10.8%
Returns, $100k–$200k21.2%
Returns, $200k or more14.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$614,500
Median gross rent$1,732
Rent as a share of household income24.2%
Owner-occupied74.3%
Vacant homes8%
Median year built1977

What the homes are

Detached house69.7%
Attached house9.7%
2 to 4 units2.6%
5 to 19 units11%
20 or more units6.2%
Mobile home0.9%
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$751,997as of 2026-07
Typical home value, 1 yearup 2.9%
Typical home value, 5 yearsup 18.2%
Typical home value, 10 yearsup 104.3%
Typical asking rent$1,760as of 2026-07
Typical asking rent, 1 yearup 0.3%
Typical asking rent, 5 yearsup 19.2%
Typical home value since 2000
200020132026$751,997$238,025

$238,025 in 2000 to $751,997 in 2026.

Typical asking rent
202120232026$1,760$1,477

$1,477 in 2021 to $1,760 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.6%
Bachelor's degree or higher52.3%
High school diploma or higher96.9%
Works from home23.4%
Drives to work alone65.3%
Takes public transport0.8%
Commutes 45 minutes or more6.9%
Health

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

Obesity27.7% 5.7 pts below the national average of 33.4%
Diagnosed diabetes8.6% 3.4 pts below the national average of 12%
Currently smokes6.7% 6.5 pts below the national average of 13.2%
High blood pressure30.4% 3.7 pts below the national average of 34.1%
Fair or poor general health13.7% 6.6 pts below the national average of 20.3%
No health insurance (18–64)7.4% 3.9 pts below the national average of 11.3%
Depression27.3% 5.4 pts above the national average of 21.9%
No leisure-time physical activity15.9% 9.5 pts below the national average of 25.4%
Arthritis25.3% same as the national average of 25.1%
Binge drinking14.6% 1.4 pts below the national average of 16%
Taking blood pressure medication71.2% 3.5 pts below the national average of 74.7%
Cancer (non-skin)9.8% 2.1 pts above the national average of 7.7%
Current asthma10.9% 0.5 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 year72.9% 3.8 pts below the national average of 76.7%
Cholesterol screening85.7% same as the national average of 85.9%
Cognitive disability12.3% 2.5 pts below the national average of 14.8%
Colorectal screening71.4% 7.1 pts above the national average of 64.3%
COPD4.6% 2 pts below the national average of 6.6%
Visited a dentist74.9% 13.6 pts above the national average of 61.3%
Any disability26.8% 3.9 pts below the national average of 30.7%
Lacks emotional support19.6% 5.2 pts below the national average of 24.8%
Food insecurity9% 8.1 pts below the national average of 17.1%
Received food stamps4% 10.3 pts below the national average of 14.3%
Hearing disability7.1% same as the national average of 6.7%
High cholesterol33.6% 2.6 pts below the national average of 36.2%
Housing insecurity7.4% 6.4 pts below the national average of 13.8%
Independent living disability5.8% 2.6 pts below the national average of 8.4%
Lacks transport5.2% 4 pts below the national average of 9.2%
Loneliness32.8% 1.6 pts below the national average of 34.4%
Mammography use76.3% same as the national average of 75.9%
Poor mental health (14+ days)15.4% 1.4 pts below the national average of 16.8%
Mobility disability10.8% 3.2 pts below the national average of 14%
Poor physical health (14+ days)11.9% 1.6 pts below the national average of 13.5%
Self-care disability2.5% 1.5 pts below the national average of 4%
Utility shut-off threat5% 3.8 pts below the national average of 8.8%
Sleeps under 7 hours31.8% 4.6 pts below the national average of 36.4%
Stroke2.8% 0.6 pts below the national average of 3.4%
All natural teeth lost7.5% 5.5 pts below the national average of 13%
Vision disability3.5% 2.1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,613
People employed20,912
Annual payroll$1,540,180,000
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 93.5% of US census tracts
FEMA ratingVery Low to Very High across the 17 census tracts this ZIP code covers
Expected annual loss94.7 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.

Avalanche98Very High at its worst in this ZIP code
Wildfire90Relatively High at its worst in this ZIP code
Landslide88Relatively Moderate at its worst in this ZIP code
Earthquake77.8Very High at its worst in this ZIP code
Winter weather77.8Relatively High at its worst in this ZIP code
Volcanic activity46.5Very Low at its worst in this ZIP code
Hail37.9Relatively Low at its worst in this ZIP code
River flooding37.9Relatively Moderate at its worst in this ZIP code
Lightning26.4Relatively Moderate at its worst in this ZIP code
Tornado24.8Relatively Low at its worst in this ZIP code
Strong wind16.9Relatively Low at its worst in this ZIP code
Cold wave16.7Relatively Low at its worst in this ZIP code
Heat wave10.5Relatively Low at its worst in this ZIP code
Ice storm1.2Very 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$114,912$91,750$78,538
Income per person$57,374$39,240$43,289
Poverty rate6.5%8.6%12.4%
Median home value$614,500$455,000$303,400
Median gross rent$1,732$1,405$1,348
Homeownership74.3%70.6%65%
Bachelor's degree or higher52.3%36.9%35%
Unemployment rate2.6%3.4%5.2%
Works from home23.4%16%13.5%
Born outside the US7.3%8.6%13.9%
Median age40.131.738.7
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 stationCOTTONWOOD WEIR, UT US0.6 km away
Rain in a year24 in
Snow in a year82 in

Average high and low by month

January38.1°F / 22.8°F2.16 in rain, 17 in snow
February44.1°F / 27°F2.31 in rain, 18.4 in snow
March53.9°F / 34.2°F2.66 in rain, 7.6 in snow
April60.7°F / 39.5°F3.34 in rain, 5.6 in snow
May70.6°F / 48.2°F2.83 in rain, 0.3 in snow
June81.9°F / 57.3°F1.36 in rain
July90.7°F / 67.5°F0.6 in rain
August88.6°F / 65.9°F0.91 in rain
September78.7°F / 56.4°F1.62 in rain
October64.2°F / 43.4°F2.09 in rain, 1.5 in snow
November49.1°F / 31.5°F2.1 in rain, 8.2 in snow
December38.3°F / 23.1°F2.36 in rain, 23.3 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 supermarket2% of this ZIP code's area
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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Canyons School District91.2% of this ZIP code's land area
Granite School District8.7% 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 vulnerability32more vulnerable than 32% of US census tracts
Socioeconomic status18more vulnerable than 18% of US census tracts
Household characteristics14more vulnerable than 14% of US census tracts
Racial and ethnic minority status22more vulnerable than 22% of US census tracts
Housing type and transport82more vulnerable than 82% of US census tracts
Walkability7.5 out of 20Below average
Nearby ZIP codes

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

84092 Sandy, UT5.1 km away
84093 Sandy, UT5.6 km away
84117 Salt Lake City, UT6 km away
84124 Salt Lake City, UT6.8 km away
84047 Midvale, UT9.1 km away
84094 Sandy, UT9.3 km away
84109 Salt Lake City, UT9.6 km away
84070 Sandy, UT10 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 area64.45 sq mi
Water area0.16 sq mi
Population density608 people per sq mi
Latitude, longitude40.6226, -111.7777

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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