Postal Codes

84521 ZIP Code

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ZIP code 84521 covers Elmo, Utah, with a population of about 591 and a median household income of $51,607.

Population
59112 per square mile
Median age
52.613.9 points above the US average
Median household income
$51,60744% below the Utah median
Poverty rate
4.7%7.7 points below the US average
Typical home value
$341,670
Median rent
$71249% below the Utah median
Degree or higher
14.7%20.3 points below the US average
Homeownership
77.1%12.1 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time

Where 84521 is

Elmo, 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

Population591
Median age52.6
Family households63%
Born outside the US0.7%
Speaks a language other than English at home4.7%
White (non-Hispanic)87.8%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino3%
Veterans16.6%
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$51,607
Income per person$26,637
Poverty rate4.7%
Households on SNAP or cash assistance10.6%

Household income distribution

Under $10k2.6%
$10–15k0.4%
$15–20k6.6%
$20–25k14.1%
$25–30k6.2%
$30–35k1.8%
$35–40k4.0%
$40–45k11.0%
$45–50k1.3%
$50–60k9.3%
$60–75k15.9%
$75–100k7.0%
$100–125k8.8%
$125–150k3.1%
$150–200k6.2%
$200k or more1.8%

Income as declared to the IRS

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

Tax returns filed250
Mean adjusted gross income$57,960
Returns declaring $200,000 or more0%
Returns, under $25k32.0%
Returns, $25k–$50k24.0%
Returns, $50k–$75k12.0%
Returns, $75k–$100k12.0%
Returns, $100k–$200k20.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$189,500
Median gross rent$712
Rent as a share of household income28.1%
Owner-occupied77.1%
Vacant homes7.3%
Median year built1977

What the homes are

Detached house60.4%
5 to 19 units16.3%
Mobile home23.3%
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$341,670as of 2026-07
Typical home value, 1 yearup 7.9%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.8%
Bachelor's degree or higher14.7%
High school diploma or higher95.6%
Works from home4.3%
Drives to work alone89.4%
Takes public transport0%
Commutes 45 minutes or more12.8%
Health

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

Obesity30.5% 2.9 pts below the national average of 33.4%
Diagnosed diabetes11.6% same as the national average of 12%
Currently smokes11.1% 2.1 pts below the national average of 13.2%
High blood pressure36% 1.9 pts above the national average of 34.1%
Fair or poor general health18.5% 1.8 pts below the national average of 20.3%
No health insurance (18–64)8.6% 2.7 pts below the national average of 11.3%
Depression26.9% 5 pts above the national average of 21.9%
No leisure-time physical activity20.2% 5.2 pts below the national average of 25.4%
Arthritis30.3% 5.2 pts above the national average of 25.1%
Binge drinking10.9% 5.1 pts below the national average of 16%
Taking blood pressure medication73.3% 1.4 pts below the national average of 74.7%
Cancer (non-skin)10.3% 2.6 pts above the national average of 7.7%
Current asthma11.3% 0.9 pts above the national average of 10.4%
Coronary heart disease7.3% 1.1 pts above the national average of 6.2%
Routine check-up in past year73.7% 3 pts below the national average of 76.7%
Cholesterol screening83.6% 2.3 pts below the national average of 85.9%
Cognitive disability15.6% 0.8 pts above the national average of 14.8%
Colorectal screening66.1% 1.8 pts above the national average of 64.3%
COPD7.4% 0.8 pts above the national average of 6.6%
Visited a dentist67.8% 6.5 pts above the national average of 61.3%
Any disability33.5% 2.8 pts above the national average of 30.7%
Lacks emotional support18.8% 6 pts below the national average of 24.8%
Food insecurity11.6% 5.5 pts below the national average of 17.1%
Received food stamps6.7% 7.6 pts below the national average of 14.3%
Hearing disability9.3% 2.6 pts above the national average of 6.7%
High cholesterol35.9% same as the national average of 36.2%
Housing insecurity8.8% 5 pts below the national average of 13.8%
Independent living disability8.1% same as the national average of 8.4%
Lacks transport6.4% 2.8 pts below the national average of 9.2%
Loneliness28.9% 5.5 pts below the national average of 34.4%
Mammography use70.8% 5.1 pts below the national average of 75.9%
Poor mental health (14+ days)16.7% same as the national average of 16.8%
Mobility disability14.8% 0.8 pts above the national average of 14%
Poor physical health (14+ days)14.9% 1.4 pts above the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat6.3% 2.5 pts below the national average of 8.8%
Sleeps under 7 hours36% same as the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost10.5% 2.5 pts below the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
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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 48.2% of US census tracts
FEMA ratingRelatively Low
Expected annual loss46.1 out of 100
Community resilience24.1 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.

Lightning100Very High at its worst in this ZIP code
Winter weather97.9Very High at its worst in this ZIP code
Landslide96.5Relatively Moderate at its worst in this ZIP code
Wildfire93.1Relatively Moderate at its worst in this ZIP code
Drought91.1Relatively Low at its worst in this ZIP code
Earthquake79.7Relatively Moderate at its worst in this ZIP code
Volcanic activity71.5Very Low at its worst in this ZIP code
Avalanche68.4Very Low at its worst in this ZIP code
Heat wave62.8Relatively Moderate at its worst in this ZIP code
Strong wind49.3Relatively Low at its worst in this ZIP code
River flooding40Relatively Low at its worst in this ZIP code
Hail29Very Low at its worst in this ZIP code
Tornado20.8Very Low at its worst in this ZIP code
Ice storm14.7Very 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$51,607$91,750$78,538
Income per person$26,637$39,240$43,289
Poverty rate4.7%8.6%12.4%
Median home value$189,500$455,000$303,400
Median gross rent$712$1,405$1,348
Homeownership77.1%70.6%65%
Bachelor's degree or higher14.7%36.9%35%
Unemployment rate2.8%3.4%5.2%
Works from home4.3%16%13.5%
Born outside the US0.7%8.6%13.9%
Median age52.631.738.7
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 stationWELLINGTON 3 E, UT US19 km away
Rain in a year9 in
Snow in a year22 in

Average high and low by month

January36°F / 7.6°F0.68 in rain, 6.4 in snow
February44.3°F / 14.3°F0.63 in rain, 4.7 in snow
March56.1°F / 23.4°F0.64 in rain, 1.4 in snow
April65.1°F / 28.6°F0.61 in rain, 0.7 in snow
May74.9°F / 37.2°F0.86 in rain
June85.3°F / 44.1°F0.59 in rain
July91.1°F / 51.7°F0.64 in rain
August88°F / 50.1°F1.04 in rain
September80.3°F / 40.6°F1.21 in rain
October65.1°F / 30.2°F1.1 in rain, 0.2 in snow
November49.3°F / 17°F0.46 in rain, 1.7 in snow
December36.9°F / 9.9°F0.59 in rain, 6.4 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%.

Emery 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 vulnerability51more vulnerable than 51% of US census tracts
Socioeconomic status33more vulnerable than 33% of US census tracts
Household characteristics73more vulnerable than 73% of US census tracts
Racial and ethnic minority status16more vulnerable than 16% of US census tracts
Housing type and transport72more vulnerable than 72% of US census tracts
Walkability5.1 out of 20Least walkable
Nearby ZIP codes

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

84518 Cleveland, UT7 km away
84528 Huntington, UT15.8 km away
84542 Wellington, UT16.7 km away
84501 Price, UT22.1 km away
84513 Castle Dale, UT27.9 km away
84537 Orangeville, UT28.3 km away
84526 Helper, UT30.3 km away
84529 Kenilworth, UT31.7 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.

Emery County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area49.77 sq mi
Water area0.53 sq mi
Population density12 people per sq mi
Latitude, longitude39.4033, -110.8100

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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