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ZIP CODE TABULATION AREA

83420

Idaho · 2,580 residents · 410.769 sq mi
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ZIP 83420 has lower-than-average household income, with a median household income of $69,286. Population has held roughly steady since 2024. Median home value is $337,700. With a median age of 49.4, the population is older than the US median of 38.9. Poverty is rare here, at 5.3% of residents. Among the 5 ZIP codes in Fremont County, 83420 ranks 4th by median household income.

$69,286
US average: $82,259
$337,700
US average: $376,019
29.0%
US average: 35.6%
Age, sex & households
Under 18
16.8%
Age 65+
25.3%
54.5%
45.5%
2.57 people
Race & ethnicity · 2024
2024
White, non-Hispanic87.8%(2,264)
Black0.4%(10)
Hispanic / Latino9.9%(255)
Asian0%(0)
Other2%(51)
Diversity Score27.5%(709)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Fremont County
Income rank vs other ZIPs
LOWEST4TH OF 5HIGHEST
Adjacent ZIPs
83429$78,565
83433$94,250
83438$145,714
Frequently asked

How many people live in ZIP code 83420?

ZIP code 83420 has about 2,580 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 83420?

The typical household in ZIP code 83420 earns about $69,286 a year. Half of households make more than that, and half make less.

Is ZIP code 83420 expensive?

In ZIP code 83420, the median home is worth about $337,700, and the typical rent is about $1,025 a month.

How educated are people in ZIP code 83420?

About 29.0% of adults age 25 and over in ZIP code 83420 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 83420?

About 5.3% of people in ZIP code 83420 live below the federal poverty line.

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Containing area
Fremont County
Other ZIP codes in Fremont County
ZIP 83445ZIP 83429ZIP 83438ZIP 83421ZIP 83433

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