Zip Code 83402
Idaho Falls, Idaho — Bonneville County
📍 ZIP code 83402 is in Idaho Falls, Bonneville County, Idaho.
ZIP code 83402 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 29,683. The area code for ZIP code 83402 is 208.
Quick Answer
Zip code 83402 is in Idaho Falls, Idaho (Bonneville County). It has a population of 29,683, median household income of $72,064, and median home value of $301,400.
Population
29,683
Income
$72,064
Home Value
$301,400
Climate
87°F / 12°F
About Zip Code 83402
Zip code 83402 is located in Idaho Falls, Idaho, within Bonneville County. Home to approximately 29,683 residents, this area sits at an elevation of 4898 ft and falls within the Mountain (MST/MDT) timezone. The local area code is 208.
The median household income is $72,064 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $301,400, and the cost of living index is 93 (7% below the national average of 100).
Summers average a high of 87°F while winters drop to 12°F. The area receives about 10 in of rain and 50 in of snow annually. The zip code covers 151.6 square miles of land area and 1.7 square miles of water.
Key Statistics
29,683
$72,064
$301,400
Mountain (MST/MDT)
208
4898 ft
151.6 sq mi
33
11,983
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Compare With Nearby Zip Codes
| Metric | 83402 | 83404 | 83427 | 83274 | 83431 | 83218 |
|---|---|---|---|---|---|---|
| City | Idaho Falls, ID | Idaho Falls, ID | Iona, ID | Shelley, ID | Lewisville, ID | Basalt, ID |
| Population | 29,683 | 26,103 | 2,819 | 11,284 | 1,066 | 520 |
| Median Income | $72,064 | $79,211 | $82,418 | $80,000 | $81,667 | $71,500 |
| Home Value | $301,400 | $355,200 | $368,400 | $328,000 | $238,600 | $267,900 |
| Cost of Living | 93 | 109 | 110 | 106 | 86 | 79 |
| Median Age | 33 | 37.7 | 29 | 34.7 | 36.7 | 36.7 |
Cost of Living
100 = National Average. Idaho Falls's cost of living is 7% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
4.2x
Demographics
Zip code 83402 has a population of 29,683 people with a median age of 33. There are 11,983 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Idaho Falls (83402) population trend from 2010 to 2024
↑ 74.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
12°F
10 in
50 in
Idaho Falls experiences warm summers with average highs around 87°F. Winters are cold with lows averaging 12°F. With 50 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$301,400
Median Household Income
$72,064
With 11,983 housing units across 151.6 square miles, 83402 has a housing density of 79 units per square mile. The home price-to-income ratio is 4.2x.
Location & Geography
Latitude
43.5263°
Longitude
-112.1820°
Land Area
151.6 sq mi
Water Area
1.7 sq mi
Nearby Zip Codes
Zip codes closest to 83402 (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 83402's $72,064. 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 83402 (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 83402 along with 3 other zip codes.
What county is zip code 83402 in?
Zip code 83402 is located in Bonneville County, Idaho.
What is the population of zip code 83402?
The population of zip code 83402 is 29,683 with a median age of 33.
Is 83402 in Idaho Falls, Idaho?
Yes, zip code 83402 is in Idaho Falls, Bonneville County, Idaho. The area code is 208.
Frequently Asked Questions
What city is zip code 83402 in?
Zip code 83402 is in Idaho Falls, Idaho. It is part of Bonneville County and uses the Mountain (MST/MDT) timezone.
What is zip code 83402?
Zip code 83402 is a U.S. postal code in Idaho Falls, Idaho (Bonneville County). It has a population of 29,683 and covers 151.6 square miles.
What is the population of zip code 83402?
The population of zip code 83402 (Idaho Falls, ID) is 29,683 with a median age of 33. There are approximately 11,983 housing units in this area.
What is the median income in zip code 83402?
The median household income in zip code 83402 (Idaho Falls, ID) is $72,064 per year. The cost of living index is 93 (100 = national average).
What is the average home price in zip code 83402?
The median home value in zip code 83402 (Idaho Falls, ID) is $301,400. The cost of living index is 93 compared to the national average of 100.
What county is zip code 83402 in?
Zip code 83402 is located in Bonneville County, Idaho. The primary city is Idaho Falls.
What is the area code for zip code 83402?
Zip code 83402 in Idaho Falls, ID uses area code 208. It is located in the Mountain (MST/MDT) timezone.
Is zip code 83402 a good place to live?
Zip code 83402 (Idaho Falls, ID) has a cost of living index of 93 (100 = national average), a median household income of $72,064, and median home values of $301,400. The median age is 33. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 83402?
The cost of living index for zip code 83402 (Idaho Falls, ID) is 93, where 100 represents the national average. This area is below the national average. Median home value: $301,400.
What schools serve zip code 83402?
Zip code 83402 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.