US ZIP Code
83431

Lewisville, ID

Jefferson County  ·  Idaho

● Active
👥 1,066 Population ↑ 64% since 2019
💰 $81,667 Median HH Income
≈ Avg ↑ 34% since 2019
🎂 36.7 Median Age ↓ 13% since 2019
🏠 $238,600 Median Home Value
▼ 14% below avg ↑ 36% since 2019
🎓 29.2% College Grads
▼ 25% below avg
📊 6.0% Unemployment
▲ 22% above avg ↑ 24% since 2019
ZIP Code Details
ZIP Code83431
CityLewisville
StateIdaho (ID)
CountyJefferson County
Area Code208/986
Elevation4,809 ft
Latitude43.688427
Longitude-112.032935
TimezoneBoise (DST)
FIPS16051
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 46.7% (498) Female 53.3% (568) ♀

Race & Ethnicity

White: 76.3%Hispanic: 23.1%Other: 0.7%Race
White76.3%
Hispanic23.1%
Other0.7%

Age Breakdown

Under 5
5%
5–17
25%
18–24
9%
25–44
18%
45–64
28%
65+
8%

Key Indicators

Median Age36.7 yrs ↓ 13% since 2019
Avg Household Size3.25
Below Poverty12.7% ▲ 27% above avg
College Grads29.2% ▼ 25% below avg
Unemployment6.0% ▲ 22% above avg
No HS Diploma68 (11.6%)
HS Graduate132 (22.6%)
Some College53 (9.1%)
Associates161 (27.5%)
Bachelors45 (7.7%)
Graduate Degree126 (21.5%)

Education

No HS: 11.6%HS Grad: 22.6%Some College: 9.1%Associates: 27.5%Bachelors: 7.7%Graduate: 21.5%Edu
No HS11.6%
HS Grad22.6%
Some College9.1%
Associates27.5%
Bachelors7.7%
Graduate21.5%
Housing & Income

Housing Tenure

Owner: 80.8%Renter: 19.2%Tenure
Owner80.8%
Renter19.2%

Home Value Distribution

$50k–100k
2%
$100k–150k
2%
$150k–200k
23%
$200k–300k
39%
$300k–500k
19%
Over $500k
16%

Financials

Median HH Income$81,667 ≈ Avg ↑ 34% since 2019
Median Home Value$238,600 ▼ 14% below avg ↑ 36% since 2019
Home/Income Ratio2.9x (nat avg ~3.5x)
Median Rent$800/mo ↑ 13% since 2019
Total Units348
Vacant Units20
Avg HH Size3.25

Income Distribution

Under $25k
21%
$25k–50k
8%
$50k–75k
16%
$75k–100k
12%
$100k–150k
22%
$150k–200k
15%
Over $200k
6%
Employment & Commute

How People Get to Work

Drove Alone
75%
Public Transit
12%
Walked
8%
Work From Home
6%

Commute Time

Under 15 min
39%
15–30 min
37%
30–45 min
12%
Over 45 min
12%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
8%
1960s–1970s
12%
1980s–1990s
15%
2000+
63%

Summary

Total Units348
Vacant20
Owner Occupied80.8%
Renter Occupied19.2%
Avg HH Size3.25
Frequently Asked Questions
ZIP code 83431 is in Lewisville, ID, in Jefferson County.
ZIP code 83431 is located in Idaho (ID).
ZIP code 83431 is in Jefferson County, ID.
ZIP 83431 observes the Boise timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 83431 is 1,066 people (ACS 2023).
The median household income in ZIP code 83431 is $81,667 (ACS 2023).
The median home value in ZIP 83431 is $238,600 (ACS 2023).
About ZIP Code 83431

ZIP code 83431 is located in Lewisville, Idaho, within Jefferson County. With a population of 1,066, this is a sparsely populated ZIP code with a relatively young community — the median age is 36.7 years. Economically, 83431 is a middle-income ZIP code: the median household income of $81,667 is near the national average.

Real estate in ZIP code 83431 represents an affordable housing market. The median home value of $238,600 is near the national average. Renters can expect to pay around $800 per month in median rent. Homeownership is strong here — 80.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 36% since 2019.

The population of 83431 is primarily White (76.27%). Residents are moderately educated — 29.2% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 12.7%. Household income has grown by 34% since 2019.

The unemployment rate in 83431 stands at 6.0%, which is above the national average. As in most parts of the country, driving alone is the dominant commute mode at 68%.

Overall, ZIP code 83431 in Lewisville, ID is characterized as middle-income, moderately educated, a relatively young community, and predominantly owner-occupied. With 1,066 residents, a median household income of $81,667, and a median home value of $238,600, it offers a clear picture of life in this part of Idaho.