Lewisville, ID · standard
ZIP Code 83431
Jefferson County, Idaho - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 876
- 27/sq mi Moderate-density area
- $90,833
- Median income Above-median income area
- $241,700
- Median home value Near-median home value
- 21.5%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Lewisville pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.
- Top 26%
- household income, US ZIPs
- Top 45%
- home value, US ZIPs
- 27
- people per sq mi
- 78%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 83431 against every reporting US ZIP.
ZIP code 83431 is a sparsely populated ZIP (a standard USPS delivery area) in Lewisville, Jefferson County, Idaho, home to just 876 residents across 32.7 square miles, a density of 27 people per square mile, in the Boise time zone.
ZIP 83431 lands in the middle-income range, with a median household income of $90,833 (24% above the average Idaho ZIP), while per-capita income is $36,194. The poverty rate is 10.7%, with unemployment at 5.6%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $241,700 (36% below the average Idaho ZIP), and median rent is $917; owner occupancy is 77.7%.
Educational attainment sits below the national norm: 21.5% of adults hold a bachelor's degree or higher, the median age is 36.4, and the average commute is -. The page also surfaces 4 ZIP codes within roughly 10 miles and 6 more in Jefferson County, so 83431 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 83431
Top 5 sectors by establishment count in Lewisville, ID
Which industries have the most business establishments in ZIP 83431.
- Construction
Construction
6 establishments
- Manufacturing
Manufacturing
4 establishments
- Other services (except public administration)
Other services (except public administration)
4 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 83431, Lewisville, ID · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
876
Population
32.7
Area (sq mi)
27
People / sq mi
Boise
Time Zone
standard
ZIP Type
Who lives in ZIP 83431?
36.4
Median Age
46.1%
Male
53.9%
Female
11.4%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$90,833
Median Household Income
+24% vs state ZIP avg
$36,194
Per Capita Income
10.7%
Poverty Rate
5.6%
Unemployment Rate
How ZIP 83431 ranks among Idaho ZIPs
Lewisville, ID household income vs. every Idaho ZIP code
Median household income among 250 reporting Idaho ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$90,833 Top 16% higher than 84% of 250 Idaho ZIPs
Each bar is a $20K-wide band; taller bars hold more Idaho ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
330housing units
330
Total Housing Units
314
Occupied Units
16
Vacant Units
3.33
Avg Household Size
Occupancy Type
$241,700
Median Home Value
-36% vs state ZIP avg
$917
Median Rent
1979
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 20 business establishments in ZIP 83431, employing approximately 420 people with a combined annual payroll of $20,853,000.
20
Businesses
420
Employees
$20.9M
Annual Payroll
3
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 6 | 30.0% |
| Manufacturing | 4 | 20.0% |
| Other services (except public administration) | 4 | 20.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 83431 vs 83434 →
ZIP 83431 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 83401
Idaho Falls (83401)
37,966 residents
- 83442
Rigby (83442)
19,250 residents
- 83434 1,741
Menan (83434)
1,741 residents
- 83431 876
Lewisville (83431)
876 residents
- 83454 531
Ucon (83454)
531 residents
What this shows Among its immediate neighbors, ZIP 83431 ranks #4 by population - useful context the national average alone can't give.
ZIP 83431 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 83431
Lewisville (83431)
$90,833 median income
- 83442
Rigby (83442)
$88,260 median income
- 83434
Menan (83434)
$82,731 median income
- 83401
Idaho Falls (83401)
$78,497 median income
- 83454
Ucon (83454)
$66,607 median income
What this shows By household income, ZIP 83431 ranks the highest of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 83431, both outside ID so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Jefferson County
Related Areas
Frequently Asked Questions
What county is ZIP code 83431 in?
ZIP code 83431 (Lewisville) is located in Jefferson County, Idaho. Jefferson County contains multiple ZIP codes, see the full list at /counties/jefferson-id.
What is the population of ZIP code 83431?
ZIP code 83431 in Lewisville, ID has a population of 876 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 83431?
The median household income in ZIP 83431 is $90,833, which is 19% above the national average of $76,288.
What is the average home value in ZIP 83431?
The median home value in ZIP 83431 is $241,700, which is 13% below the national average of $278,155.
What is the demographic makeup of ZIP 83431?
The largest racial group in ZIP 83431 is White at 73.8%. Hispanic or Latino residents make up 25.1% of the population.
How many businesses are in ZIP code 83431?
ZIP code 83431 has 20 business establishments employing approximately 420 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 83431?
The top industries by establishment count in ZIP 83431 are: Construction (6), Manufacturing (4), Other services (except public administration) (4). There are 3 industry sectors represented in total.
What is the education level in ZIP code 83431?
In ZIP code 83431, 43.1% of residents aged 25+ have a high school diploma or higher, and 21.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 83431?
In ZIP code 83431, approximately 77.7% of occupied housing units are owner-occupied and 22.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 83431?
The poverty rate in ZIP code 83431 is 10.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 83431's numbers, next.
- See how ZIP 83431 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Lewisville, ID ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.