PlainZIP

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
$90,833
Median income
$241,700
Median home value
21.5%
Bachelor's or higher

The verdict

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 Idaho average), while per-capita income is $36,194. 10.7% of residents live below the poverty line, and the unemployment rate reads 5.6%. On housing, the median home value is $241,700 (36% below the state average) with median rent at $917 per month, and 77.7% of occupied units are owner-occupied.

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 -. A geography-based comparison follows: 4 ZIP codes within about 10 miles of 83431, plus 6 more within Jefferson County, give a clearer read than the national average alone.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 83431?

36.4

Median Age

46.1%

Male

53.9%

Female

11.4%

Foreign-Born

White 73.8%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.4%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.6%
Hispanic or Latino 25.1%

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

$36,194

Per Capita Income

10.7%

Poverty Rate

5.6%

Unemployment Rate

How ZIP 83431 ranks nationally

Lewisville, ID household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$90,833 Top 26% higher than 74% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 43.1%
Bachelor's Degree or Higher 21.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

330

Total Housing Units

314

Occupied Units

16

Vacant Units

3.33

Avg Household Size

Occupancy Type

Owner 77.7%
Renter 22.3%

$241,700

Median Home Value

-36% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 83431 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 83431 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
83434 Menan, ID 1,741 4.6 mi
83442 Rigby, ID 19,250 6.9 mi
83454 Ucon, ID 531 7.5 mi
83401 Idaho Falls, ID 37,966 11.7 mi

More ZIP Codes in Jefferson County

83442 standard
Rigby, ID
Pop: 19,250
83434 standard
Menan, ID
Pop: 1,741
83444 standard
Roberts, ID
Pop: 1,381
83443 standard
Ririe, ID
Pop: 1,107
83450 standard
Terreton, ID
Pop: 1,104
83435 standard
Monteview, ID
Pop: 653

Related Areas

Jefferson County Lewisville, ID Idaho

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.

Read our methodology to see how this data is sourced, computed, and verified.