83450 ZIP Code — Terreton, ID

Jefferson County, Idaho

ZIP code 83450 is located in Terreton, Idaho, within Jefferson County. It covers approximately 128.58 square miles and serves a population of 1,131 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 208.

About ZIP code 83450

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 $152,200. Owner-occupancy sits near the national average at 61%.

Median household income is $61,985. The poverty rate of 6% is below the national average.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 23 minutes is near the national average.

College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.

26% of residents lack health insurance, above the national average.

1,131
population
128.58
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
83450 ZIP code map
Cities in ZIP code 83450

Below are the cities the US Postal Service accepts for ZIP code 83450. Using any city not on this list may result in mail delivery delays.

City Status
Terreton Acceptable
Terreton Preferred
Nearby ZIP codes
83435 Monteview (9.4 mi) 83444 Roberts (14.9 mi) 83425 Hamer (15.2 mi)
Demographics updated 06/2026
Population
Total population 1,131
Population density 9 / sq mi
State FIPS 16
County FIPS 051
Geography
Land area 128.58 sq mi
Water area 5.00 sq mi
Latitude 43.8406
Longitude -112.4531
Timezone Mountain (MT)
Area code 208
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 50.8% 32.3% 41.8%
$50k – $100k 37.4% 42.6% 34.0%
$100k – $200k 11.8% 19.9% 19.5%
Over $200k 0.0% 5.1% 4.7%

Demographics & statistics

1,131
Population
9
People per sq mi
29.7
Median age
$61,985
Median household income
$24,150
Per capita income
$152,200
Median home value
$1,006
Median monthly rent
61.1%
Home ownership
5.8%
Poverty rate
3.6%
Unemployment
378
Housing units
14.8%
Bachelor's or higher

Age distribution

Male Female
48
Under 5
51
60
5–9
63
42
10–14
44
64
15–19
68
20
20–24
22
59
25–34
63
73
35–44
76
52
45–54
55
27
55–59
28
44
60–64
47
45
65–74
47
15
75–84
16
1
85+
1
← Male
Female →

Age summary

GroupCount%
Under 1841536.7%
18 and over71663.3%
65 and over12511.1%
Median age29.7 years

Race & ethnicity

White 68.9%
Hispanic or Latino 15%
Two or more races 8.3%
Other race 7.4%
Black or African American 0.5%
GroupCount%
White91768.9%
Hispanic or Latino19915%
Two or more races1108.3%
Other race987.4%
Black or African American60.5%

Household income

Income range This ZIP County avg State avg
Under $50k 50.8% 32.3% 41.8%
$50k – $100k 37.4% 42.6% 34.0%
$100k – $200k 11.8% 19.9% 19.5%
Over $200k 0.0% 5.1% 4.7%
Under $10k 8.2%
$10k–$15k 2.5%
$15k–$25k 5.2%
$25k–$35k 4.1%
$35k–$50k 12.9%
$50k–$75k 27.7%
$75k–$100k 12.1%
$100k–$150k 19.2%
$150k–$200k 6.3%
$200k+ 1.9%
Range% of households
Under $10k8.2%
$10k–$15k2.5%
$15k–$25k5.2%
$25k–$35k4.1%
$35k–$50k12.9%
$50k–$75k27.7%
$75k–$100k12.1%
$100k–$150k19.2%
$150k–$200k6.3%
$200k+1.9%
Median income$61,985

Housing

Home values

Under $50k 9.4%
$50k–$100k 5.4%
$100k–$150k 34.1%
$150k–$200k 21.1%
$200k–$300k 13.5%
$300k–$500k 10.3%
$500k–$1M 6.3%

Housing overview

MetricValue
Median home value$152,200
Median rent / month$1,006
Owner occupied61.1%
Renter occupied38.9%
Vacant29.8%
Single-family detached77.9%
Large apartment buildings1.7%
Mobile homes16.5%
Median rooms7.4
Avg household size (owned)3.12

Year built

Era%
2020 or later0.0%
2010–201918.7%
2000–20096.9%
1990–19995.2%
1980–198911.7%
1970–197924.4%
1960–19692.7%
1950–195912.9%
1940–19492.5%
1939 or earlier15.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom2.5%
2 bedrooms16.2%
3 bedrooms22.1%
4 bedrooms31.5%
5+ bedrooms27.7%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle17.0%
2 vehicles39.7%
3 or more43.3%

Heating fuel

Fuel type%
Utility gas1.1%
Electricity39.2%
Propane / LP gas36.7%
Fuel oil3.0%
Wood15.6%
No fuel used0.8%

Households & families

Household typeCount%
Married-couple family27575.3%
Cohabiting couple82.2%
Male householder, no spouse308.2%
Female householder, no spouse5214.2%
Households with children under 1818951.8%
Households with seniors (65+)8021.9%
Average household size3.10

Marital status

StatusMaleFemale
Never married24.0%18.2%
Married68.7%66.2%
Separated0.0%1.0%
Widowed0.0%7.3%
Divorced7.3%7.3%

Education

Less than 9th grade 9.9%
Some HS, no diploma 4.8%
HS graduate 26.0%
Some college, no degree 36.4%
Associate's degree 8.2%
Bachelor's degree 8.8%
Graduate / professional 6.0%
Metric%
HS diploma or higher85.4%
Bachelor's or higher14.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool257.2%
Kindergarten5917.1%
Elementary school12034.8%
High school11633.6%
College / grad school257.2%

Employment

Industry of employment

Agriculture & mining 27.2%
Retail trade 17.6%
Education & healthcare 16.7%
Construction 11.3%
Manufacturing 8.2%
Professional & management 4.4%
Other services 4.4%
Transportation & utilities 4.2%
Arts, food & hospitality 3.6%
Public administration 2.1%
Wholesale trade 0.4%

Occupation

Category%
Management, business & arts34.3%
Service13.2%
Sales & office13.0%
Natural resources & construction25.1%
Production & transportation14.4%

Employment type

Type%
Private sector72.2%
Government17.6%
Self-employed10.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone62.8%
Carpool18.4%
Public transit0.0%
Walk9.0%
Work from home5.6%
Other means4.2%
Avg commute (minutes)23.0

Poverty

All people 5.8%
Under 18 years 1.7%
18 and over 8.2%
Married-couple families 4.0%
Female-led households 0.0%

Income support

Source% of households
Social Security20.8%
Retirement income12.3%
Supplemental Security4.4%
Cash public assistance1.9%
Food stamps / SNAP4.4%

Health indicators

Condition%
Obesity38.9%
High blood pressure28.9%
High cholesterol28.1%
Diabetes9.6%
Heart disease6.1%
Stroke2.9%
Asthma9.6%
Arthritis20.9%
Kidney disease2.7%
Pulmonary disease6.1%
Cancer5.6%
Behavior / access%
Smoking17.0%
Binge drinking14.2%
No physical activity25.0%
Less than 7 hrs sleep30.8%
Depression19.1%
Fair or poor health15.0%
Poor mental health14.4%
Poor physical health11.1%
No health insurance23.1%
Visited doctor (checkup)67.2%
Visited dentist63.2%
Cholesterol screening83.7%
Teeth loss17.2%

Veterans & disability

VeteransCount%
Civilian veterans283.9%
Disability%
Any disability12.3%
Under 187.5%
18–64 years11.0%
65 and over34.4%

Health insurance coverage

Type%
Private insurance49.8%
Public insurance30.6%
No insurance25.6%
Uninsured under 1921.9%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,03291.2%
Spanish13212.8%
Other Indo-European12812.4%
Asian & Pacific Islander40.4%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)99087.5%
Born in same state98086.6%
Born in different state79770.5%
Foreign born100.9%
Naturalized citizen14112.5%
Not a US citizen32.1%

Ancestry

AncestryCount%
French32028.3%
Arab887.8%
Dutch191.7%
Italian90.8%
AncestryCount%
Polish80.7%
Irish40.4%
German10.1%

Technology access

Metric% of households
Computer access32.3%
Internet access93.7%

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

Frequently asked questions about ZIP code 83450

What city is ZIP code 83450 in?

ZIP code 83450 is primarily assigned to Terreton, Idaho.

What county is ZIP code 83450 in?

ZIP code 83450 falls within Jefferson County, Idaho.

Is ZIP code 83450 family-oriented?

37% of residents in ZIP code 83450 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 83450?

15% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the typical home value in ZIP code 83450?

The median home value in ZIP code 83450 is $152,200.

What is the population of ZIP code 83450?

ZIP code 83450 has an estimated population of 1,131 residents, with a density of 9 people per square mile.

What timezone is ZIP code 83450 in?

ZIP code 83450 observes the MST timezone.

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