ZIP code 83431: Lewisville, ID
83431 is a ZIP code in Lewisville, Idaho, mainly in Jefferson County, part of the Idaho Falls, ID metro area. About 1,045 people live here.
- Population
- 1,045
- Median household income
- $90,833
- Typical home value
- $393,000+2.7% in 12 months
- Median rent
- $917gross, per month
- Median age
- 36.4
- Homeowners
- 77.7%of occupied homes
Shaded: ZIP code 83431's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 83431 details
| City | Lewisville |
|---|---|
| State | Idaho |
| County | Jefferson County |
| Metro area | Idaho Falls, ID |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 12.5 sq mi, plus 0.2 sq mi of water |
| Population density | 83 people per sq mi |
| Bachelor's degree or higher | 21.5% of adults 25+ |
| Average commute | 21.5 minutes |
| Center coordinates | 43.68843, -112.03293 |
ZIP codes near 83431
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 83434 | Menan, ID | 4.9 mi | 1,816 |
| 83454 | Ucon, ID | 7.5 mi | 409 |
| 83442 | Rigby, ID | 10.8 mi | 25,609 |
| 83401 | Idaho Falls, ID | 12.7 mi | 47,972 |
| 83402 | Idaho Falls, ID | 13.5 mi | 29,994 |
| 83444 | Roberts, ID | 13.6 mi | 1,261 |
| 83440 | Rexburg, ID | 13.9 mi | 51,421 |
| 83460 | Rexburg, ID | 15.3 mi | 56 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 83431?
A typical home in ZIP code 83431 is worth about $393,000 (Zillow Home Value Index). The median household here earns $90,833 a year. See what buying here would cost per month, with Idaho average taxes and insurance filled in.
Monthly payment for a $393,000 homeWhat can a $90,833 income afford?Rental property numbers
About ZIP code 83431
What city is ZIP code 83431?
ZIP code 83431 is in Lewisville, ID, in Jefferson County.
What county is ZIP code 83431 in?
83431 is mainly in Jefferson County, Idaho.
What is the population of ZIP code 83431?
About 1,045 people live in ZIP code 83431, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 83431 in?
83431 is in Mountain Time (UTC−7). It observes daylight saving time.