84306 ZIP Code — Collinston, UT

Box Elder County, Utah

ZIP code 84306 is located in Collinston, Utah, within Box Elder County. It covers approximately 23.06 square miles and serves a population of 322 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 435.

About ZIP code 84306

The housing stock consists of predominantly single-family detached homes. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $450,000.

Median household income is $100,515. Poverty affects 28% of residents, above the national average. 44% 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.

Educational attainment is high — 70% of residents hold a bachelor's degree or higher, well above the national average of 33%.

18% of residents lack health insurance, above the national average.

Overall, ZIP code 84306 reflects a community defined by a highly educated population, economic challenges above the national average, high homeownership, and a significant Social Security-dependent population.

322

population

23.06

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

84306 ZIP code map

Cities in ZIP code 84306

Below are the cities the US Postal Service accepts for ZIP code 84306. Using any city not on this list may result in mail delivery delays.

City	Status
Collinston	Acceptable

Demographics updated 06/2026

Population
Total population	322
Population density	14 / sq mi
State FIPS	49
County FIPS	003

Geography
Land area	23.06 sq mi
Water area	0.02 sq mi
Latitude	41.7931
Longitude	-112.0660
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	15.0%	36.1%	31.5%
$50k – $100k	52.0%	38.9%	34.6%
$100k – $200k	14.0%	21.7%	27.0%
Over $200k	19.0%	3.3%	7.0%

Demographics & statistics

322

Population

People per sq mi

40.5

Median age

$100,515

Median household income

$31,920

Per capita income

$450,000

Median home value

Median monthly rent

100.0%

Home ownership

27.6%

Poverty rate

0.0%

Unemployment

110

Housing units

70.0%

Bachelor's or higher

Age distribution

Male Female

5–9

10–14

15–19

25–34

35–44

45–54

55–59

65–74

← Male

Female →

Age summary

Group	Count	%
Under 18	132	41.0%
18 and over	190	59.0%
65 and over	71	22.0%
Median age	40.5 years

Race & ethnicity

White 100%

Group	Count	%
White	322	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	15.0%	36.1%	31.5%
$50k – $100k	52.0%	38.9%	34.6%
$100k – $200k	14.0%	21.7%	27.0%
Over $200k	19.0%	3.3%	7.0%

Under $10k 18.2%

$75k–$100k 25.5%

$100k–$150k 43.6%

$200k+ 12.7%

Range	% of households
Under $10k	18.2%
$75k–$100k	25.5%
$100k–$150k	43.6%
$200k+	12.7%
Median income	$100,515

Housing

Home values

$300k–$500k 56.4%

$500k–$1M 43.6%

Housing overview

Metric	Value
Median home value	$450,000
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	0.0%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	2.93

Year built

Era	%
2020 or later	0.0%
2010–2019	43.6%
2000–2009	12.7%
1990–1999	0.0%
1980–1989	0.0%
1970–1979	30.9%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	12.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	0.0%
3 bedrooms	12.7%
4 bedrooms	74.5%
5+ bedrooms	12.7%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	12.7%
2 vehicles	12.7%
3 or more	74.5%

Heating fuel

Fuel type	%
Propane / LP gas	81.8%
Wood	18.2%

Households & families

Household type	Count	%
Married-couple family	96	87.3%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	14	12.7%
Households with children under 18	48	43.6%
Households with seniors (65+)	48	43.6%
Average household size	2.93

Marital status

Status	Male	Female
Never married	14.1%	21.1%
Married	85.9%	68.4%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.0%	10.5%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 8.4%

Some college, no degree 7.4%

Associate's degree 14.2%

Bachelor's degree 55.3%

Graduate / professional 14.7%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	70.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	77	52.0%
High school	55	37.2%
College / grad school	16	10.8%

Employment

Industry of employment

Manufacturing 33.3%

Construction 16.7%

Retail trade 16.7%

Finance & real estate 16.7%

Education & healthcare 16.7%

Occupation

Category	%
Management, business & arts	33.3%
Service	0.0%
Sales & office	33.3%
Natural resources & construction	16.7%
Production & transportation	16.7%

Employment type

Type	%
Private sector	83.3%
Government	0.0%
Self-employed	16.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	33.3%
Carpool	66.7%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 27.6%

Under 18 years 40.2%

18 and over 18.9%

Married-couple families 20.8%

Female-led households 0.0%

Income support

Source	% of households
Social Security	43.6%
Retirement income	43.6%
Supplemental Security	18.2%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	33.8%
High blood pressure	32.0%
High cholesterol	33.3%
Diabetes	10.2%
Heart disease	6.8%
Stroke	3.1%
Asthma	10.9%
Arthritis	29.7%
Kidney disease	2.9%
Pulmonary disease	6.4%
Cancer	6.6%

Behavior / access	%
Smoking	12.0%
Binge drinking	10.0%
No physical activity	19.0%
Less than 7 hrs sleep	34.4%
Depression	24.2%
Fair or poor health	13.6%
Poor mental health	15.0%
Poor physical health	11.0%
No health insurance	11.5%
Visited doctor (checkup)	71.7%
Visited dentist	69.6%
Cholesterol screening	88.0%
Teeth loss	12.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	20.5%
Under 18	37.9%
18–64 years	13.4%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	82.3%
Public insurance	49.7%
No insurance	17.7%
Uninsured under 19	22.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	322	100.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	322	100.0%
Born in same state	322	100.0%
Born in different state	274	85.1%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	71	22%
Dutch	34	10.6%

Ancestry	Count	%
Italian	23	7.1%
Polish	14	4.3%

Technology access

Metric	% of households
Computer access	34.2%
Internet access	100.0%

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

Frequently asked questions about ZIP code 84306

What city is ZIP code 84306 in?

ZIP code 84306 is primarily assigned to Collinston, Utah.

What county is ZIP code 84306 in?

ZIP code 84306 falls within Box Elder County, Utah.

Is ZIP code 84306 family-oriented?

41% of residents in ZIP code 84306 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 84306?

70% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the poverty rate in ZIP code 84306?

28% of residents in ZIP code 84306 live below the poverty line, above the national average.

Does ZIP code 84306 have a large retiree population?

44% of households in ZIP code 84306 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 84306 in?

ZIP code 84306 observes the MST timezone.