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ZIP 83431 · Lewisville

Who lives in ZIP code 83431 (Lewisville, ID): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Lewisville, ID · Jefferson County

uszips 2026
People1,045
Median age36.4
Household income$90,833
Home value$240,540
Median rent$917/mo
Poverty10.7%
College degree+21.5%
Commute22 min

Place

Metro area
Idaho Falls, ID
Wider region
Idaho Falls-Rexburg-Blackfoot, ID
Time zone
Mountain
Density
32 / sq mi
Housing units
314

County

Jefferson100%

Share of the ZIP's people in each county.

Age mix

Under 1015.7%
10–1919.1%
20s11.2%
30s10.3%
40s11.4%
50s14.4%
60s9.4%
70s3.9%
80+4.5%

13.2% are 65 or older; 67.8% are adults.

Household income

Under $25K17.8%
$25K–50K5.7%
$50K–75K15.0%
$75K–100K18.5%
$100K–150K19.1%
$150K+23.9%

43.0% of households earn $100K+. Median per person: $45,598.

Education (adults 25+)

Less than high school18.4%
High school21.6%
Some college38.5%
Bachelor's15.6%
Graduate5.9%

49.2% of degrees are in STEM fields.

Race

White73.8%
Black0.0%
Asian0.0%
Native American0.4%
Pacific Islander0.0%
Other22.2%
Two or more3.6%

25.1% Hispanic or Latino (of any race).

Households & family

Married
52.5%
Never married
30.9%
Divorced
8.9%
Widowed
7.6%
Family size
3.58
Dual-income families
53.1%

Housing

Own their home
77.7%
Rent burden
21.4%
Men / women
46% / 54%

Work

In labor force
61.5%
Unemployment
5.6%
Self-employed
12.8%
Farmers
7.7%

Community

Charitable givers
25.6%
Veterans
4.7%
With a disability
11.4%
No health insurance
11.1%
Limited English
6.7%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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