Residential delivery area · Idaho
ZIP Code 83402: Idaho Falls, ID
ZIP code 83402 uses the postal name Idaho Falls, Idaho and lies mostly in Bonneville County (97% of its land) with the rest in Jefferson County (Census 2020 ZIP-county file). About 30,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Idaho Falls's 4 residential ZIP codes. Median household income is $74,517 (Census Bureau, ACS 2020-2024). By Census place, 7% of its land lies in Idaho Falls; 93% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Idaho Falls · 4 residential ZIPs
- County
- Bonneville County (97%); Jefferson County (3%)
- Census places
- Idaho Falls
- Metro area
- Idaho Falls, ID
- House district
- ID-2 119th Congress
- State
- Idaho
- Time zone
- Mountain
- Land area
- 171.0 sq mi · 175 people per sq mi
Where is ZIP code 83402?
83402 centers on 43.526°, -112.182° and covers 171.0 square miles of land plus 1.7 of water. It borders 6 ZIP codes: 83404, 83274, 83444, 83401, 83442, 83221.
The map draws ZIP code areas only. For the streets inside 83402, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 83402 compare with the rest of Idaho Falls?
| Measure | 83402 | In Idaho Falls | In Bonneville County | In ID |
|---|---|---|---|---|
| People (ACS 2020-2024) | 29,994 | 2nd of 4 | 2nd of 12 | 21st of 279 |
| Median household income | $75k | 4th of 4 | 5th of 6 | 57th of 126 |
| Median home value | $335k | 4th of 4 | 6th of 6 | 82nd of 138 |
Its median household income is higher than in 54% of U.S. residential ZIP codes, and it is denser than 61% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 83402?
The 2020 Census counted 28,452 people in 83402; the ACS, which samples households over 2020-2024, estimates 29,994. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 29,994
- 2020 Census count
- 28,452
- Households
- 11,165
- Median age
- 32.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 83402?
Of the 29,994 people the ACS estimates in 83402, 28.5% are under 18 and 12.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (77.5%), then Hispanic or Latino (17.1%).
- Under 1828.5%
- 18 to 6459.1%
- 65 and older12.4%
- White, not Hispanic77.5%
- Hispanic or Latino17.1%
- Other or two or more4.3%
- Asian, not Hispanic0.9%
- Black, not Hispanic0.3%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 83402 earn?
Median household income is $74,517 (ACS 2020-2024), the 5th highest of the 6 ranked ZIP codes in Bonneville County.
- Median household income
- $74,517
- Income per person
- $34,426
- Below the poverty line
- 12.8%
- Unemployed (of the labor force)
- 2.6%
- Adults 25+ with a bachelor's degree
- 32.1%
- Adjusted gross income per tax return, 2022
- $66,19212,900 returns; wages 71% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 83402?
FHFA's house price index for 83402, built from repeat sales and appraisals of the same homes, rose 162% from 2015 to 2025 and rose 56% from 2020 to 2025, and moved +2.9% in 2025.
- Median home value (owners' estimate)
- $334,900
- Median gross rent
- $989
- Homes owned by their occupants
- 63.9%
- Housing units
- 12,246
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 83402?
1,103 business establishments had a location in this ZIP code in 2023, 147 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services148
- Construction135
- Retail trade121
- Accommodation and food services111
- Health care and social assistance107
- Wholesale trade83
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 83402?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 83404 | Idaho Falls | 27,500 | $82k | 10.8 mi |
| 83274 | Shelley | 11,699 | $93k | 13.0 mi |
| 83444 | Roberts | 1,261 | $88k | 14.6 mi |
| 83401 | Idaho Falls | 47,972 | $79k | 15.3 mi |
| 83442 | Rigby | 25,609 | $88k | 18.8 mi |
| 83221 | Blackfoot | 29,081 | $75k | 23.0 mi |
| 83454 | Ucon | 409 | $67k | 12.2 mi (near) |
| 83431 | Lewisville | 1,045 | $91k | 13.5 mi (near) |
| 83406 | Idaho Falls | 19,696 | $87k | 13.8 mi (near) |
| 83218 | Basalt | 569 | $79k | 14.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.