Residential delivery area · Idaho
ZIP Code 83431: Lewisville, ID
ZIP code 83431 uses the postal name Lewisville, Idaho and lies entirely in Jefferson County (Census 2020 ZIP-county file). About 1,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $90,833 (Census Bureau, ACS 2020-2024). By Census place, 5% of its land lies in Lewisville; 95% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Lewisville · its only residential ZIP
- County
- Jefferson County
- Census places
- Lewisville
- Metro area
- Idaho Falls, ID
- House district
- ID-2 119th Congress
- State
- Idaho
- Time zone
- Mountain
- Land area
- 12.5 sq mi · 83 people per sq mi
Where is ZIP code 83431?
83431 centers on 43.688°, -112.033° and covers 12.5 square miles of land plus 0.2 of water. It borders 3 ZIP codes: 83434, 83442, 83444.
The map draws ZIP code areas only. For the streets inside 83431, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 83431 compare with the rest of Jefferson County?
| Measure | 83431 | In Jefferson County | In ID |
|---|---|---|---|
| People (ACS 2020-2024) | 1,045 | 7th of 9 | 157th of 279 |
| Median household income | $91k | 1st of 7 | 23rd of 126 |
| Median home value | $242k | not ranked | not ranked |
83431's median home value is not ranked: its 90% margin of error (±$63,563) is more than a quarter of the figure ($241,700). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
Its median household income is higher than in 74% of U.S. residential ZIP codes, and it is denser than 51% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 83431?
The 2020 Census counted 914 people in 83431; the ACS, which samples households over 2020-2024, estimates 1,045. Between the 2010 and 2020 censuses its population grew 4.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,045±272 (90% margin)
- 2020 Census count
- 914+4.3% since 2010 (876)
- Households
- 314
- Median age
- 36.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 83431?
Of the 1,045 people the ACS estimates in 83431, 32.2% are under 18 and 13.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (73.8%), then Hispanic or Latino (25.1%).
- Under 1832.2%
- 18 to 6454.6%
- 65 and older13.2%
- White, not Hispanic73.8%
- Hispanic or Latino25.1%
- Other or two or more1.1%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 83431 earn?
Median household income is $90,833 (ACS 2020-2024), the highest of the 7 ranked ZIP codes in Jefferson County. It is not measurably different from 2015-2019 ($74,606 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $90,833±$18,784
- Income per person
- $36,194
- Below the poverty line
- 10.7%
- Unemployed (of the labor force)
- 5.6%
- Adults 25+ with a bachelor's degree
- 21.5%
- Adjusted gross income per tax return, 2022
- $66,202410 returns; wages 67% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 83431?
- Median home value (owners' estimate)
- $241,700
- Median gross rent
- $917
- Homes owned by their occupants
- 77.7%
- Housing units
- 330
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 83431?
20 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction6
- Manufacturing4
- Other services (except public administration)4
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 83431?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 83434 | Menan | 1,816 | $83k | 4.9 mi |
| 83442 | Rigby | 25,609 | $88k | 10.8 mi |
| 83444 | Roberts | 1,261 | $88k | 13.6 mi |
| 83454 | Ucon | 409 | $67k | 7.5 mi (near) |
| 83401 | Idaho Falls | 47,972 | $79k | 12.7 mi (near) |
| 83402 | Idaho Falls | 29,994 | $75k | 13.5 mi (near) |
| 83440 | Rexburg | 51,421 | $58k | 13.9 mi (near) |
| 83460 | Rexburg | 56 | – | 15.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.