84521 ZIP Code — Elmo, UT

Emery County, Utah

ZIP code 84521 is located in Elmo, Utah, within Emery County. It covers approximately 49.77 square miles and serves a population of 650 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 435.

About ZIP code 84521

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $169,800. Owner-occupancy is high at 78%, well above the national average.

Median household income is $60,078. The poverty rate of 3% is below the national average. 64% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 34 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include a notable veteran presence at 17% of civilians, above the national average of 7%.

Overall, ZIP code 84521 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

650

population

49.77

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

84521 ZIP code map

Cities in ZIP code 84521

Below are the cities the US Postal Service accepts for ZIP code 84521. Using any city not on this list may result in mail delivery delays.

City	Status
Elmo	Preferred

Nearby ZIP codes

84542 Wellington (17.4 mi)

Demographics updated 06/2026

Population
Total population	650
Population density	13 / sq mi
State FIPS	49
County FIPS	015

Geography
Land area	49.77 sq mi
Water area	0.53 sq mi
Latitude	39.2875
Longitude	-110.6760
Timezone	Mountain (MT)
Area code	435

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.6%	40.7%	31.5%
$50k – $100k	41.3%	37.8%	34.6%
$100k – $200k	24.2%	20.9%	27.0%
Over $200k	0.0%	0.6%	7.0%

Demographics & statistics

650

Population

People per sq mi

45.6

Median age

$60,078

Median household income

$26,434

Per capita income

$169,800

Median home value

$659

Median monthly rent

78.2%

Home ownership

2.7%

Poverty rate

3.3%

Unemployment

201

Housing units

16.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	187	28.8%
18 and over	463	71.2%
65 and over	166	25.5%
Median age	45.6 years

Race & ethnicity

White 81.1%

Native Hawaiian / Pacific Islander 14.4%

Hispanic or Latino 2.3%

Other race 2.3%

Group	Count	%
White	539	81.1%
Native Hawaiian / Pacific Islander	96	14.4%
Hispanic or Latino	15	2.3%
Other race	15	2.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.6%	40.7%	31.5%
$50k – $100k	41.3%	37.8%	34.6%
$100k – $200k	24.2%	20.9%	27.0%
Over $200k	0.0%	0.6%	7.0%

$10k–$15k 0.9%

$15k–$25k 20.0%

$25k–$35k 8.0%

$35k–$50k 17.8%

$50k–$75k 14.2%

$75k–$100k 16.4%

$100k–$150k 17.8%

$150k–$200k 3.1%

$200k+ 1.8%

Range	% of households
$10k–$15k	0.9%
$15k–$25k	20.0%
$25k–$35k	8.0%
$35k–$50k	17.8%
$50k–$75k	14.2%
$75k–$100k	16.4%
$100k–$150k	17.8%
$150k–$200k	3.1%
$200k+	1.8%
Median income	$60,078

Housing

Home values

Under $50k 6.3%

$50k–$100k 17.6%

$100k–$150k 6.8%

$150k–$200k 25.6%

$200k–$300k 15.9%

$300k–$500k 27.8%

Housing overview

Metric	Value
Median home value	$169,800
Median rent / month	$659
Owner occupied	78.2%
Renter occupied	21.8%
Vacant	10.0%
Single-family detached	68.0%
Large apartment buildings	0.0%
Mobile homes	20.4%
Median rooms	5.5
Avg household size (owned)	2.95

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	5.6%
1990–1999	12.4%
1980–1989	16.8%
1970–1979	36.0%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	13.6%
1939 or earlier	15.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	10.4%
2 bedrooms	16.4%
3 bedrooms	40.0%
4 bedrooms	19.6%
5+ bedrooms	13.6%

Vehicles per household

Vehicles	% of households
No vehicle	4.0%
1 vehicle	19.6%
2 vehicles	35.1%
3 or more	41.3%

Heating fuel

Fuel type	%
Utility gas	56.0%
Electricity	20.4%
Propane / LP gas	20.0%
Wood	2.7%

Households & families

Household type	Count	%
Married-couple family	121	53.8%
Cohabiting couple	7	3.1%
Male householder, no spouse	66	29.3%
Female householder, no spouse	31	13.8%
Households with children under 18	61	27.1%
Households with seniors (65+)	114	50.7%
Average household size	2.82

Marital status

Status	Male	Female
Never married	19.9%	26.4%
Married	55.5%	51.1%
Separated	1.4%	0.0%
Widowed	8.5%	8.7%
Divorced	14.6%	13.9%

Education

Less than 9th grade 2.5%

Some HS, no diploma 0.2%

HS graduate 31.9%

Some college, no degree 33.6%

Associate's degree 14.8%

Bachelor's degree 10.9%

Graduate / professional 6.0%

Metric	%
HS diploma or higher	97.2%
Bachelor's or higher	16.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	7	3.6%
Kindergarten	3	1.5%
Elementary school	88	45.1%
High school	60	30.8%
College / grad school	37	19.0%

Employment

Industry of employment

Transportation & utilities 25.1%

Education & healthcare 17.1%

Construction 13.1%

Wholesale trade 9.7%

Agriculture & mining 9.1%

Professional & management 7.4%

Public administration 5.1%

Other services 4.0%

Retail trade 3.4%

Information 2.9%

Manufacturing 1.7%

Finance & real estate 1.1%

Occupation

Category	%
Management, business & arts	30.3%
Service	5.1%
Sales & office	9.7%
Natural resources & construction	28.0%
Production & transportation	26.9%

Employment type

Type	%
Private sector	81.1%
Government	18.9%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.9%
Carpool	8.7%
Public transit	0.0%
Walk	0.0%
Work from home	6.7%
Other means	6.7%
Avg commute (minutes)	34.0

Poverty

All people 2.7%

Under 18 years 0.0%

18 and over 3.8%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	63.6%
Retirement income	48.9%
Supplemental Security	4.0%
Cash public assistance	0.0%
Food stamps / SNAP	10.2%

Health indicators

Condition	%
Obesity	30.1%
High blood pressure	30.3%
High cholesterol	31.9%
Diabetes	9.7%
Heart disease	6.0%
Stroke	2.9%
Asthma	10.7%
Arthritis	27.7%
Kidney disease	2.8%
Pulmonary disease	6.2%
Cancer	6.5%

Behavior / access	%
Smoking	12.5%
Binge drinking	12.1%
No physical activity	18.3%
Less than 7 hrs sleep	33.6%
Depression	24.6%
Fair or poor health	13.3%
Poor mental health	15.2%
Poor physical health	10.7%
No health insurance	12.0%
Visited doctor (checkup)	70.2%
Visited dentist	68.6%
Cholesterol screening	85.7%
Teeth loss	12.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	74	16.7%

Disability	%
Any disability	16.1%
Under 18	0.0%
18–64 years	16.8%
65 and over	33.8%

Health insurance coverage

Type	%
Private insurance	73.7%
Public insurance	41.5%
No insurance	9.4%
Uninsured under 19	8.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	631	97.1%
Spanish	6	1.0%
Other Indo-European	6	1.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	633	97.4%
Born in same state	630	96.9%
Born in different state	393	60.5%
Foreign born	3	0.5%
Naturalized citizen	17	2.6%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	141	21.7%
Dutch	94	14.5%
Italian	50	7.7%

Ancestry	Count	%
Polish	30	4.6%
Arab	15	2.3%
English	12	1.8%

Technology access

Metric	% of households
Computer access	34.6%
Internet access	94.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 84521

What city is ZIP code 84521 in?

ZIP code 84521 is primarily assigned to Elmo, Utah.

What county is ZIP code 84521 in?

ZIP code 84521 falls within Emery County, Utah.

Does ZIP code 84521 have a large retiree population?

64% of households in ZIP code 84521 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 84521 have an older population?

26% of residents in ZIP code 84521 are 65 or older, above the national average of ~17%.

Does ZIP code 84521 have a large veteran population?

17% of civilians in ZIP code 84521 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 84521?

The median home value in ZIP code 84521 is $169,800.

What timezone is ZIP code 84521 in?

ZIP code 84521 observes the MST timezone.