84309 ZIP Code — Deweyville, UT

Box Elder County, Utah

ZIP code 84309 is located in Deweyville, Utah, within Box Elder County. It covers approximately 8.59 square miles and serves a population of 735 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 435.

About ZIP code 84309

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $444,000. Owner-occupancy is high at 98%, well above the national average.

Median household income is $128,750. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is natural resources, construction, and trades, with construction as the leading industry. The average commute of 26 minutes is near the national average.

Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.

Overall, ZIP code 84309 reflects a community defined by high homeownership and a significant Social Security-dependent population.

735
population
8.59
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
84309 ZIP code map
Cities in ZIP code 84309

Below are the cities the US Postal Service accepts for ZIP code 84309. Using any city not on this list may result in mail delivery delays.

City Status
Deweyville Acceptable
Demographics updated 06/2026
Population
Total population 735
Population density 86 / sq mi
State FIPS 49
County FIPS 003
Geography
Land area 8.59 sq mi
Water area 0.00 sq mi
Latitude 41.7029
Longitude -112.0741
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 31.9% 36.1% 31.5%
$50k – $100k 42.6% 38.9% 34.6%
$100k – $200k 24.1% 21.7% 27.0%
Over $200k 1.4% 3.3% 7.0%

Demographics & statistics

735
Population
86
People per sq mi
35.1
Median age
$128,750
Median household income
$28,093
Per capita income
$444,000
Median home value
$0
Median monthly rent
98.2%
Home ownership
1.4%
Poverty rate
6.1%
Unemployment
245
Housing units
27.2%
Bachelor's or higher

Age distribution

Male Female
5
Under 5
3
21
5–9
16
55
10–14
40
81
15–19
59
29
20–24
22
18
25–34
13
46
35–44
33
83
45–54
61
14
55–59
11
21
60–64
15
34
65–74
24
8
75–84
5
10
85+
8
← Male
Female →

Age summary

GroupCount%
Under 1821629.4%
18 and over51970.6%
65 and over8912.1%
Median age35.1 years

Race & ethnicity

White 99.2%
American Indian / Alaska Native 0.4%
Two or more races 0.4%
GroupCount%
White72999.2%
American Indian / Alaska Native30.4%
Two or more races30.4%

Household income

Income range This ZIP County avg State avg
Under $50k 31.9% 36.1% 31.5%
$50k – $100k 42.6% 38.9% 34.6%
$100k – $200k 24.1% 21.7% 27.0%
Over $200k 1.4% 3.3% 7.0%
$10k–$15k 1.8%
$15k–$25k 1.2%
$25k–$35k 1.2%
$35k–$50k 7.7%
$50k–$75k 25.6%
$75k–$100k 6.0%
$100k–$150k 14.9%
$150k–$200k 35.1%
$200k+ 6.5%
Range% of households
$10k–$15k1.8%
$15k–$25k1.2%
$25k–$35k1.2%
$35k–$50k7.7%
$50k–$75k25.6%
$75k–$100k6.0%
$100k–$150k14.9%
$150k–$200k35.1%
$200k+6.5%
Median income$128,750

Housing

Home values

Under $50k 1.2%
$100k–$150k 2.4%
$150k–$200k 4.2%
$200k–$300k 12.1%
$300k–$500k 49.7%
$500k–$1M 27.3%
$1M+ 3.0%

Housing overview

MetricValue
Median home value$444,000
Median rent / month$0
Owner occupied98.2%
Renter occupied1.8%
Vacant32.3%
Single-family detached90.3%
Large apartment buildings0.0%
Mobile homes3.2%
Median rooms7.9
Avg household size (owned)4.38

Year built

Era%
2020 or later0.4%
2010–20197.3%
2000–20097.3%
1990–199918.5%
1980–198914.1%
1970–197939.1%
1960–19693.6%
1950–19592.0%
1940–19492.4%
1939 or earlier5.2%

Bedrooms

Size% of units
No bedroom (studio)1.6%
1 bedroom1.2%
2 bedrooms31.0%
3 bedrooms13.7%
4 bedrooms26.6%
5+ bedrooms25.8%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle6.0%
2 vehicles32.7%
3 or more61.3%

Heating fuel

Fuel type%
Utility gas79.2%
Electricity8.3%
Propane / LP gas10.7%
Wood1.8%

Households & families

Household typeCount%
Married-couple family13580.4%
Cohabiting couple10.6%
Male householder, no spouse2313.7%
Female householder, no spouse95.4%
Households with children under 189154.2%
Households with seniors (65+)6236.9%
Average household size4.38

Marital status

StatusMaleFemale
Never married47.8%31.4%
Married43.4%62.4%
Separated0.0%0.9%
Widowed5.7%1.3%
Divorced3.0%3.9%

Education

Less than 9th grade 0.7%
Some HS, no diploma 1.7%
HS graduate 17.1%
Some college, no degree 35.6%
Associate's degree 17.6%
Bachelor's degree 23.3%
Graduate / professional 4.0%
Metric%
HS diploma or higher97.5%
Bachelor's or higher27.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool21.0%
Kindergarten2210.5%
Elementary school10650.5%
High school6028.6%
College / grad school209.5%

Employment

Industry of employment

Construction 36.1%
Education & healthcare 18.0%
Manufacturing 13.4%
Public administration 8.5%
Retail trade 7.7%
Agriculture & mining 6.2%
Other services 5.9%
Professional & management 1.5%
Transportation & utilities 1.3%
Finance & real estate 0.8%
Wholesale trade 0.3%
Arts, food & hospitality 0.3%

Occupation

Category%
Management, business & arts31.7%
Service3.1%
Sales & office12.6%
Natural resources & construction41.5%
Production & transportation11.1%

Employment type

Type%
Private sector77.3%
Government21.6%
Self-employed1.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone62.5%
Carpool27.9%
Public transit0.0%
Walk0.0%
Work from home8.8%
Other means0.8%
Avg commute (minutes)25.9

Poverty

All people 1.4%
Under 18 years 0.0%
18 and over 1.9%
Married-couple families 2.2%
Female-led households 0.0%

Income support

Source% of households
Social Security33.9%
Retirement income25.6%
Supplemental Security0.6%
Cash public assistance0.0%
Food stamps / SNAP0.0%

Health indicators

Condition%
Obesity33.5%
High blood pressure31.6%
High cholesterol33.2%
Diabetes10.0%
Heart disease6.4%
Stroke3.0%
Asthma10.8%
Arthritis29.8%
Kidney disease2.9%
Pulmonary disease6.5%
Cancer6.9%
Behavior / access%
Smoking11.6%
Binge drinking10.2%
No physical activity18.9%
Less than 7 hrs sleep33.8%
Depression24.6%
Fair or poor health13.3%
Poor mental health14.9%
Poor physical health10.7%
No health insurance12.0%
Visited doctor (checkup)71.8%
Visited dentist70.0%
Cholesterol screening87.3%
Teeth loss12.1%

Veterans & disability

VeteransCount%
Civilian veterans122.3%
Disability%
Any disability6.4%
Under 187.9%
18–64 years3.0%
65 and over19.1%

Health insurance coverage

Type%
Private insurance76.3%
Public insurance28.3%
No insurance5.6%
Uninsured under 192.3%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only72798.9%
Spanish50.7%
Other Indo-European50.7%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)71597.3%
Born in same state70796.2%
Born in different state45561.9%
Foreign born81.1%
Naturalized citizen202.7%
Not a US citizen20100.0%

Ancestry

AncestryCount%
French19526.5%
Arab7910.7%
Polish638.6%
AncestryCount%
English192.6%
Dutch91.2%
Italian10.1%

Technology access

Metric% of households
Computer access22.9%
Internet access98.2%

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

Frequently asked questions about ZIP code 84309

What city is ZIP code 84309 in?

ZIP code 84309 is primarily assigned to Deweyville, Utah.

What county is ZIP code 84309 in?

ZIP code 84309 falls within Box Elder County, Utah.

Is ZIP code 84309 mostly owner-occupied?

98% of occupied units in ZIP code 84309 are owner-occupied, well above the national average.

What is the median household income in ZIP code 84309?

The median household income in ZIP code 84309 is $128,750, above the national median of ~$75,000.

What is the typical home value in ZIP code 84309?

The median home value in ZIP code 84309 is $444,000.

What is the population of ZIP code 84309?

ZIP code 84309 has an estimated population of 735 residents, with a density of 86 people per square mile.

What timezone is ZIP code 84309 in?

ZIP code 84309 observes the MST timezone.

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