84340 ZIP Code — Willard, UT

Box Elder County, Utah

ZIP code 84340 is located in Willard, Utah, within Box Elder County. It covers approximately 32.16 square miles and serves a population of 3,301 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 435.

About ZIP code 84340

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $368,800. Owner-occupancy is high at 87%, well above the national average.

Median household income is $100,762. The poverty rate of 3% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 25 minutes is near the national average. Remote work is prevalent — 22% of workers work from home.

Educational attainment is near the national average, with 35% of residents holding a bachelor's degree or higher.

Overall, ZIP code 84340 reflects a community defined by high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

3,301
population
32.16
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
84340 ZIP code map
Cities in ZIP code 84340

Below are the cities the US Postal Service accepts for ZIP code 84340. Using any city not on this list may result in mail delivery delays.

City Status
Willard Preferred
Nearby ZIP codes
84414 Ogden (10.3 mi) 84302 Brigham City (10.4 mi) 84404 Ogden (11.1 mi) 84315 Hooper (11.9 mi) 84401 Ogden (12 mi) 84401 Ogden (12 mi) 84401 Ogden (12 mi) 84201 Ogden (13.3 mi) 84244 Ogden (13.3 mi) 84407 Ogden (13.3 mi) 84067 Roy (13.8 mi) 84310 Eden (15.2 mi)
Demographics updated 06/2026
Population
Total population 3,301
Population density 103 / sq mi
State FIPS 49
County FIPS 003
Geography
Land area 32.16 sq mi
Water area 22.99 sq mi
Latitude 41.3608
Longitude -112.1514
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 30.9% 36.1% 31.5%
$50k – $100k 32.8% 38.9% 34.6%
$100k – $200k 30.1% 21.7% 27.0%
Over $200k 6.2% 3.3% 7.0%

Demographics & statistics

3,301
Population
103
People per sq mi
38.8
Median age
$100,762
Median household income
$39,039
Per capita income
$368,800
Median home value
$1,486
Median monthly rent
87.4%
Home ownership
3.4%
Poverty rate
0.4%
Unemployment
979
Housing units
35.4%
Bachelor's or higher

Age distribution

Male Female
120
Under 5
110
127
5–9
115
116
10–14
106
99
15–19
90
106
20–24
96
148
25–34
134
291
35–44
265
196
45–54
179
140
55–59
128
103
60–64
94
166
65–74
151
81
75–84
73
35
85+
32
← Male
Female →

Age summary

GroupCount%
Under 1880424.4%
18 and over2,49775.6%
65 and over53816.3%
Median age38.8 years

Race & ethnicity

White 89%
Hispanic or Latino 4.1%
Other race 3.2%
Two or more races 2.8%
Asian 0.9%
GroupCount%
White3,06489%
Hispanic or Latino1414.1%
Other race1103.2%
Two or more races972.8%
Asian300.9%

Household income

Income range This ZIP County avg State avg
Under $50k 30.9% 36.1% 31.5%
$50k – $100k 32.8% 38.9% 34.6%
$100k – $200k 30.1% 21.7% 27.0%
Over $200k 6.2% 3.3% 7.0%
Under $10k 1.7%
$10k–$15k 1.4%
$15k–$25k 4.4%
$25k–$35k 6.2%
$35k–$50k 9.9%
$50k–$75k 11.6%
$75k–$100k 13.7%
$100k–$150k 26.1%
$150k–$200k 13.3%
$200k+ 11.8%
Range% of households
Under $10k1.7%
$10k–$15k1.4%
$15k–$25k4.4%
$25k–$35k6.2%
$35k–$50k9.9%
$50k–$75k11.6%
$75k–$100k13.7%
$100k–$150k26.1%
$150k–$200k13.3%
$200k+11.8%
Median income$100,762

Housing

Home values

Under $50k 4.7%
$50k–$100k 1.2%
$100k–$150k 1.3%
$150k–$200k 4.9%
$200k–$300k 22.2%
$300k–$500k 41.4%
$500k–$1M 23.3%
$1M+ 1.1%

Housing overview

MetricValue
Median home value$368,800
Median rent / month$1,486
Owner occupied87.4%
Renter occupied12.6%
Vacant2.4%
Single-family detached90.2%
Large apartment buildings0.0%
Mobile homes7.5%
Median rooms7.9
Avg household size (owned)2.99

Year built

Era%
2020 or later0.3%
2010–20199.8%
2000–200930.5%
1990–19998.7%
1980–19899.9%
1970–197911.0%
1960–19696.2%
1950–19597.3%
1940–19494.2%
1939 or earlier12.2%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.7%
2 bedrooms12.0%
3 bedrooms26.4%
4 bedrooms26.3%
5+ bedrooms34.5%

Vehicles per household

Vehicles% of households
No vehicle0.6%
1 vehicle14.7%
2 vehicles34.8%
3 or more50.0%

Heating fuel

Fuel type%
Utility gas92.5%
Electricity7.0%
Wood0.3%
Solar0.3%

Households & families

Household typeCount%
Married-couple family77170.8%
Cohabiting couple201.8%
Male householder, no spouse13912.8%
Female householder, no spouse15914.6%
Households with children under 1835832.9%
Households with seniors (65+)34331.5%
Average household size3.03

Marital status

StatusMaleFemale
Never married29.0%15.6%
Married61.6%62.7%
Separated0.2%2.2%
Widowed1.4%4.8%
Divorced7.8%14.7%

Education

Less than 9th grade 0.9%
Some HS, no diploma 7.3%
HS graduate 27.0%
Some college, no degree 22.1%
Associate's degree 7.4%
Bachelor's degree 22.5%
Graduate / professional 12.9%
Metric%
HS diploma or higher91.8%
Bachelor's or higher35.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool658.5%
Kindergarten617.9%
Elementary school35546.2%
High school17222.4%
College / grad school11615.1%

Employment

Industry of employment

Manufacturing 20.2%
Education & healthcare 18.5%
Public administration 11.8%
Professional & management 10.1%
Retail trade 9.6%
Construction 8.8%
Arts, food & hospitality 6.4%
Other services 4.6%
Transportation & utilities 4.5%
Finance & real estate 2.8%
Agriculture & mining 2.3%
Wholesale trade 0.3%

Occupation

Category%
Management, business & arts45.9%
Service11.6%
Sales & office18.6%
Natural resources & construction6.5%
Production & transportation17.5%

Employment type

Type%
Private sector76.9%
Government20.7%
Self-employed2.4%
Unpaid family workers0.0%

Commute

Method%
Drive alone67.4%
Carpool8.3%
Public transit1.3%
Walk0.5%
Work from home22.3%
Other means0.2%
Avg commute (minutes)25.3

Poverty

All people 3.4%
Under 18 years 1.4%
18 and over 4.0%
Married-couple families 0.5%
Female-led households 5.1%

Income support

Source% of households
Social Security32.1%
Retirement income29.0%
Supplemental Security4.1%
Cash public assistance1.0%
Food stamps / SNAP3.1%

Health indicators

Condition%
Obesity31.3%
High blood pressure26.2%
High cholesterol29.3%
Diabetes7.8%
Heart disease4.8%
Stroke2.3%
Asthma10.3%
Arthritis24.1%
Kidney disease2.3%
Pulmonary disease4.7%
Cancer5.6%
Behavior / access%
Smoking10.3%
Binge drinking11.4%
No physical activity16.1%
Less than 7 hrs sleep33.3%
Depression24.0%
Fair or poor health10.5%
Poor mental health14.7%
Poor physical health8.8%
No health insurance11.6%
Visited doctor (checkup)69.3%
Visited dentist73.0%
Cholesterol screening86.4%
Teeth loss10.4%

Veterans & disability

VeteransCount%
Civilian veterans2028.1%
Disability%
Any disability12.0%
Under 182.2%
18–64 years9.9%
65 and over34.0%

Health insurance coverage

Type%
Private insurance80.7%
Public insurance26.6%
No insurance5.9%
Uninsured under 193.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only3,07193.0%
Spanish571.9%
Other Indo-European441.4%
Asian & Pacific Islander80.3%
Other languages50.2%

Place of birth & citizenship

OriginCount%
Native born (US)3,27899.3%
Born in same state3,23898.1%
Born in different state2,40973.0%
Foreign born401.2%
Naturalized citizen230.7%
Not a US citizen1878.3%

Ancestry

AncestryCount%
French84125.5%
Dutch1775.4%
Italian1745.3%
Arab1283.9%
AncestryCount%
English1213.7%
Polish1093.3%
Irish100.3%
German30.1%

Technology access

Metric% of households
Computer access33.0%
Internet access97.6%

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

Frequently asked questions about ZIP code 84340

What city is ZIP code 84340 in?

ZIP code 84340 is primarily assigned to Willard, Utah.

What county is ZIP code 84340 in?

ZIP code 84340 falls within Box Elder County, Utah.

Is ZIP code 84340 mostly owner-occupied?

87% of occupied units in ZIP code 84340 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 84340?

The median home value in ZIP code 84340 is $368,800.

What is the population of ZIP code 84340?

ZIP code 84340 has an estimated population of 3,301 residents, with a density of 103 people per square mile.

What is the median household income in ZIP code 84340?

The median household income in ZIP code 84340 is $100,762, above the national median of ~$75,000.

What timezone is ZIP code 84340 in?

ZIP code 84340 observes the MST timezone.

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