Lewisville ZIP Code List — Jefferson County, ID

There is one unique ZIP code in Lewisville, Idaho and it is 83431. Area code: 208/986.
1
ZIP codes
12.53
sq mi land
0.19
sq mi water
208/986
area code
Lewisville, ID ZIP code map

About Lewisville, ID

Lewisville, Idaho, is a charming small city located within Jefferson County. Known for its close-knit community and picturesque surroundings, the city invites visitors and residents alike to enjoy its peaceful atmosphere. With a single ZIP code, 83431, Lewisville exemplifies the quaintness of rural life in Idaho.

Location & geography

Lewisville is situated in southeastern Idaho, bordered by the scenic landscapes of Jefferson County. Nearby cities include Rigby, located approximately 10 miles to the east, Idaho Falls about 16 miles to the south, and Rexburg roughly 20 miles to the northwest. This city spans a land area of 12.53 square miles and encompasses a small water area of 0.19 square miles, contributing to its serene environment.

Community & economy

The community of Lewisville is characterized by its friendly residents and a strong sense of belonging. The local economy primarily relies on agriculture and small-scale industries, with many residents involved in farming and related trades. Daily life here is marked by community events, outdoor activities, and a connection to the rich history of the region.

Transportation

Lewisville is conveniently accessible via State Highway 48, which connects it to nearby towns and cities. The nearest major airport is Idaho Falls Regional Airport, approximately 16 miles to the south, offering both domestic and regional flights.

History

Founded in the early 1900s, Lewisville was originally established as a farming community in Jefferson County. Key industries included agriculture, with notable events tied to the development of irrigation systems that enabled local farming to thrive in this region of Idaho.

Did you know?

A surprising fact about Lewisville is that it has a beautiful view of the nearby Teton Mountain Range on clear days. Despite its small size, the city maintains its unique charm and is often overlooked by travelers in favor of larger cities in the region.

ZIP codes for Lewisville, ID (1)
ZIP code City County Map
83431 Lewisville Jefferson View map

Demographics & statistics

879
Population
36.3
Median age
$70,568
Median household income
$32,163
Per capita income
$223,700
Median home value
$919
Median monthly rent
76.7%
Home ownership
9.4%
Poverty rate
3.7%
Unemployment
233
Housing units
15.2%
Bachelor's or higher

Age distribution

Male Female
20
Under 5
24
42
5–9
49
50
10–14
59
31
15–19
36
22
20–24
25
31
25–34
37
50
35–44
59
55
45–54
65
8
55–59
9
26
60–64
31
47
65–74
54
22
75–84
26
0
85+
1
← Male
Female →

Age summary

GroupCount%
Under 1828632.5%
18 and over59367.5%
65 and over15017.1%
Median age36.3 years

Race & ethnicity

White 57.1%
Hispanic or Latino 21%
Other race 20%
Two or more races 1.6%
American Indian / Alaska Native 0.3%
GroupCount%
White63557.1%
Hispanic or Latino23421%
Other race22320%
Two or more races181.6%
American Indian / Alaska Native30.3%

Household income

Under $10k 1.4%
$10k–$15k 0.7%
$15k–$25k 12.5%
$25k–$35k 4.3%
$35k–$50k 20.4%
$50k–$75k 13.6%
$75k–$100k 19.4%
$100k–$150k 16.8%
$150k–$200k 5.0%
$200k+ 5.7%
Range% of households
Under $10k1.4%
$10k–$15k0.7%
$15k–$25k12.5%
$25k–$35k4.3%
$35k–$50k20.4%
$50k–$75k13.6%
$75k–$100k19.4%
$100k–$150k16.8%
$150k–$200k5.0%
$200k+5.7%
Median income$70,568

Housing

Home values

$50k–$100k 5.6%
$100k–$150k 1.9%
$150k–$200k 21.0%
$200k–$300k 54.7%
$300k–$500k 13.1%
$500k–$1M 3.7%

Housing overview

MetricValue
Median home value$223,700
Median rent / month$919
Owner occupied76.7%
Renter occupied23.3%
Vacant6.4%
Single-family detached83.2%
Large apartment buildings0.0%
Mobile homes16.8%
Median rooms6.5
Avg household size (owned)2.80

Year built

Era%
2020 or later0.0%
2010–201912.1%
2000–20096.4%
1990–199918.1%
1980–19896.0%
1970–197913.4%
1960–19695.4%
1950–19599.7%
1940–19495.4%
1939 or earlier23.5%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.7%
2 bedrooms25.5%
3 bedrooms44.3%
4 bedrooms19.1%
5+ bedrooms10.4%

Vehicles per household

Vehicles% of households
No vehicle2.9%
1 vehicle15.4%
2 vehicles26.2%
3 or more55.6%

Heating fuel

Fuel type%
Utility gas35.1%
Electricity34.1%
Propane / LP gas21.9%
Wood4.3%

Households & families

Household typeCount%
Married-couple family13347.7%
Cohabiting couple4014.3%
Male householder, no spouse5118.3%
Female householder, no spouse5519.7%
Households with children under 1811741.9%
Households with seniors (65+)11942.7%
Average household size3.15

Marital status

StatusMaleFemale
Never married34.7%30.1%
Married47.1%46.2%
Separated0.6%0.0%
Widowed0.0%12.5%
Divorced17.6%11.2%

Education

Less than 9th grade 16.7%
Some HS, no diploma 5.8%
HS graduate 29.2%
Some college, no degree 26.1%
Associate's degree 7.1%
Bachelor's degree 10.9%
Graduate / professional 4.2%
Metric%
HS diploma or higher77.5%
Bachelor's or higher15.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool113.7%
Kindergarten72.3%
Elementary school18461.3%
High school6220.7%
College / grad school3612.0%

Employment

Industry of employment

Education & healthcare 17.4%
Agriculture & mining 17.1%
Manufacturing 15.8%
Arts, food & hospitality 13.0%
Transportation & utilities 8.4%
Professional & management 7.1%
Public administration 5.7%
Construction 5.2%
Retail trade 4.6%
Other services 3.0%
Finance & real estate 2.2%
Wholesale trade 0.5%

Occupation

Category%
Management, business & arts41.3%
Service13.0%
Sales & office11.4%
Natural resources & construction17.9%
Production & transportation16.3%

Employment type

Type%
Private sector73.1%
Government15.8%
Self-employed11.1%
Unpaid family workers0.0%

Commute

Method%
Drive alone69.8%
Carpool9.0%
Public transit1.1%
Walk13.0%
Other means1.1%
Avg commute (minutes)17.9

Poverty

All people 9.4%
Under 18 years 4.9%
18 and over 11.6%
Married-couple families 3.0%
Female-led households 0.0%

Income support

Source% of households
Social Security48.0%
Retirement income19.0%
Supplemental Security3.6%
Cash public assistance0.0%
Food stamps / SNAP3.9%

Health indicators

Condition%
High blood pressure31.1%
High cholesterol33.1%
Heart disease6.4%
Stroke3.0%
Asthma9.7%
Arthritis23.8%
Kidney disease2.8%
Pulmonary disease6.6%
Cancer6.8%
Behavior / access%
Binge drinking14.1%
No physical activity22.1%
Less than 7 hrs sleep29.7%
Fair or poor health13.4%
Poor mental health13.7%
Poor physical health10.8%
No health insurance16.2%
Visited doctor (checkup)69.3%
Visited dentist67.8%
Cholesterol screening86.4%
Teeth loss13.8%

Veterans & disability

VeteransCount%
Civilian veterans437.3%
Disability%
Any disability12.9%
Under 187.0%
18–64 years12.9%
65 and over24.0%

Health insurance coverage

Type%
Private insurance58.9%
Public insurance48.6%
Uninsured under 193.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only83595.0%
Spanish8610.3%
Other Indo-European8610.3%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)78188.9%
Born in same state78188.9%
Born in different state68377.7%
Foreign born00.0%
Naturalized citizen9811.1%
Not a US citizen1010.2%

Ancestry

AncestryCount%
French19121.7%
English465.2%
Arab445%
Italian293.3%
AncestryCount%
Dutch242.7%
Polish151.7%
German111.3%
Irish40.5%

Technology access

Metric% of households
Computer access31.7%
Internet access84.9%

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

Frequently asked questions
What is the ZIP code for Lewisville, ID?
Lewisville, ID has one ZIP code: 83431.
What is the main ZIP code for Lewisville, ID?
The primary ZIP code for Lewisville, ID is 83431. The city uses area code 208 or 986 for phone service.
What county is Lewisville, ID in?
Lewisville is located in Jefferson County, Idaho.
How many ZIP codes are in Lewisville, ID?
Lewisville, ID has 1 ZIP code.
What is the ZIP code for the main downtown area of Lewisville, Idaho?
The downtown area of Lewisville, Idaho is located in ZIP code 83431, which serves as the primary commercial and civic center of this small Jefferson County community.
What ZIP code should I use for mailing addresses in Lewisville, Idaho?
All mailing addresses in Lewisville, Idaho use the ZIP code 83431, as this is the only ZIP code that serves the entire city and surrounding area.
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