CensusEasy
ZIP CODE TABULATION AREA

83431

Idaho · 1,045 residents · 12.533 sq mi
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ZIP 83431 is wealthier than most US places, with a median household income of $90,833. Population has held roughly steady since 2024. 21% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $241,700. Among the 7 ZIP codes in Jefferson County, 83431 ranks 1st by median household income.

$90,833
US average: $82,259
$241,700
US average: $376,019
21.5%
US average: 35.6%
Age, sex & households
Under 18
32.2%
Age 65+
13.2%
46.1%
53.9%
3.33 people
Race & ethnicity · 2024
2024
White, non-Hispanic73.8%(771)
Black0%(0)
Hispanic / Latino25.1%(262)
Asian0%(0)
Other1.1%(12)
Diversity Score49.1%(513)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Jefferson County
Income rank vs other ZIPs
LOWEST1ST OF 7HIGHEST
Adjacent ZIPs
83425$80,833
83434$82,731
83435$73,750
83442$88,260
Frequently asked

How many people live in ZIP code 83431?

ZIP code 83431 has about 1,045 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 83431?

The typical household in ZIP code 83431 earns about $90,833 a year. Half of households make more than that, and half make less.

Is ZIP code 83431 expensive?

In ZIP code 83431, the median home is worth about $241,700, and the typical rent is about $917 a month.

How educated are people in ZIP code 83431?

About 21.5% of adults age 25 and over in ZIP code 83431 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 83431?

About 10.7% of people in ZIP code 83431 live below the federal poverty line.

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Containing area
Jefferson County
Other ZIP codes in Jefferson County
ZIP 83442ZIP 83434ZIP 83444ZIP 83450ZIP 83425ZIP 83435

DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024