Zip Code 83401
Idaho Falls, Idaho — Bonneville County
📍 ZIP code 83401 is in Idaho Falls, Bonneville County, Idaho.
ZIP code 83401 is located in Idaho Falls, Bonneville County, Idaho. It is a zip code in the Mountain (MST/MDT) Time Zone with an estimated population of 47,170. The area code for ZIP code 83401 is 208.
Quick Answer
Zip code 83401 is in Idaho Falls, Idaho (Bonneville County). It has a population of 47,170, median household income of $75,870, and median home value of $307,700.
Population
47,170
Income
$75,870
Home Value
$307,700
Climate
86°F / 16°F
About Zip Code 83401
Zip code 83401 is located in Idaho Falls, Idaho, within Bonneville County. Home to approximately 47,170 residents, this area sits at an elevation of 5402 ft and falls within the Mountain (MST/MDT) timezone. The local area code is 208.
The median household income is $75,870 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $307,700, and the cost of living index is 97 (3% below the national average of 100).
Summers average a high of 86°F while winters drop to 16°F. The area receives about 13 in of rain and 50 in of snow annually. The zip code covers 156.4 square miles of land area and 1.6 square miles of water.
Key Statistics
47,170
$75,870
$307,700
Mountain (MST/MDT)
208
5402 ft
156.4 sq mi
31.4
16,026
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Compare With Nearby Zip Codes
| Metric | 83401 | 83427 | 83406 | 83442 | 83404 | 83431 |
|---|---|---|---|---|---|---|
| City | Idaho Falls, ID | Iona, ID | Idaho Falls, ID | Rigby, ID | Idaho Falls, ID | Lewisville, ID |
| Population | 47,170 | 2,819 | 19,991 | 24,829 | 26,103 | 1,066 |
| Median Income | $75,870 | $82,418 | $90,654 | $84,328 | $79,211 | $81,667 |
| Home Value | $307,700 | $368,400 | $350,500 | $376,800 | $355,200 | $238,600 |
| Cost of Living | 97 | 110 | 105 | 108 | 109 | 86 |
| Median Age | 31.4 | 29 | 34.2 | 31.8 | 37.7 | 36.7 |
Cost of Living
100 = National Average. Idaho Falls's cost of living is 3% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
4.1x
Demographics
Zip code 83401 has a population of 47,170 people with a median age of 31.4. There are 16,026 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Idaho Falls (83401) population trend from 2010 to 2024
↑ 61.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
16°F
13 in
50 in
Idaho Falls experiences warm summers with average highs around 86°F. Winters are cold with lows averaging 16°F. With 50 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$307,700
Median Household Income
$75,870
With 16,026 housing units across 156.4 square miles, 83401 has a housing density of 102 units per square mile. The home price-to-income ratio is 4.1x.
Location & Geography
Latitude
43.5424°
Longitude
-111.8779°
Land Area
156.4 sq mi
Water Area
1.6 sq mi
Nearby Zip Codes
Zip codes closest to 83401 (Idaho Falls, ID) with distances:
All Zip Codes in Idaho Falls, ID
Other zip codes serving Idaho Falls:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 83401's $75,870. A way to compare Idaho Falls to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 83401 (Idaho Falls, ID). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Idaho Falls, Idaho?
Idaho Falls, Idaho uses zip code 83401 along with 3 other zip codes.
What county is zip code 83401 in?
Zip code 83401 is located in Bonneville County, Idaho.
What is the population of zip code 83401?
The population of zip code 83401 is 47,170 with a median age of 31.4.
Is 83401 in Idaho Falls, Idaho?
Yes, zip code 83401 is in Idaho Falls, Bonneville County, Idaho. The area code is 208.
Frequently Asked Questions
What city is zip code 83401 in?
Zip code 83401 is in Idaho Falls, Idaho. It is part of Bonneville County and uses the Mountain (MST/MDT) timezone.
What is zip code 83401?
Zip code 83401 is a U.S. postal code in Idaho Falls, Idaho (Bonneville County). It has a population of 47,170 and covers 156.4 square miles.
What is the population of zip code 83401?
The population of zip code 83401 (Idaho Falls, ID) is 47,170 with a median age of 31.4. There are approximately 16,026 housing units in this area.
What is the median income in zip code 83401?
The median household income in zip code 83401 (Idaho Falls, ID) is $75,870 per year. The cost of living index is 97 (100 = national average).
What is the average home price in zip code 83401?
The median home value in zip code 83401 (Idaho Falls, ID) is $307,700. The cost of living index is 97 compared to the national average of 100.
What county is zip code 83401 in?
Zip code 83401 is located in Bonneville County, Idaho. The primary city is Idaho Falls.
What is the area code for zip code 83401?
Zip code 83401 in Idaho Falls, ID uses area code 208. It is located in the Mountain (MST/MDT) timezone.
Is zip code 83401 a good place to live?
Zip code 83401 (Idaho Falls, ID) has a cost of living index of 97 (100 = national average), a median household income of $75,870, and median home values of $307,700. The median age is 31.4. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 83401?
The cost of living index for zip code 83401 (Idaho Falls, ID) is 97, where 100 represents the national average. This area is below the national average. Median home value: $307,700.
What schools serve zip code 83401?
Zip code 83401 in Idaho Falls, Idaho is served by the local school district of Bonneville County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.