Residential delivery area · Idaho
ZIP Code 83406: Idaho Falls, ID
ZIP code 83406 uses the postal name Idaho Falls, Idaho and lies entirely in Bonneville County (Census 2020 ZIP-county file). About 20,000 people live there (Census Bureau, ACS 2020-2024), the least populous of Idaho Falls's 4 residential ZIP codes. Median household income is $86,991 (Census Bureau, ACS 2020-2024). By Census place, 18% of its land lies in Ammon; 82% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Idaho Falls · 4 residential ZIPs
- County
- Bonneville County
- Census places
- Ammon
- Metro area
- Idaho Falls, ID
- House district
- ID-2 119th Congress
- State
- Idaho
- Time zone
- Mountain
- Land area
- 32.0 sq mi · 615 people per sq mi
Where is ZIP code 83406?
83406 centers on 43.439°, -111.934° and covers 32.0 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 83404, 83401, 83427.
The map draws ZIP code areas only. For the streets inside 83406, 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 83406 compare with the rest of Idaho Falls?
| Measure | 83406 | In Idaho Falls | In Bonneville County | In ID |
|---|---|---|---|---|
| People (ACS 2020-2024) | 19,696 | 4th of 4 | 5th of 12 | 37th of 279 |
| Median household income | $87k | 1st of 4 | 2nd of 6 | 29th of 126 |
| Median home value | $392k | 2nd of 4 | 4th of 6 | 58th of 138 |
Its median household income is higher than in 70% of U.S. residential ZIP codes, and it is denser than 74% 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 83406?
The 2020 Census counted 19,003 people in 83406; the ACS, which samples households over 2020-2024, estimates 19,696. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 19,696
- 2020 Census count
- 19,003
- Households
- 6,482
- Median age
- 35.6
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 83406?
Of the 19,696 people the ACS estimates in 83406, 28.4% are under 18 and 14.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (83.6%), then Hispanic or Latino (11.6%).
- Under 1828.4%
- 18 to 6457.3%
- 65 and older14.3%
- White, not Hispanic83.6%
- Hispanic or Latino11.6%
- Other or two or more3.2%
- Asian, not Hispanic1.5%
- Black, not Hispanic0.1%
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 83406 earn?
Median household income is $86,991 (ACS 2020-2024), the 2nd highest of the 6 ranked ZIP codes in Bonneville County.
- Median household income
- $86,991±$13,474
- Income per person
- $36,956
- Below the poverty line
- 5.6%
- Unemployed (of the labor force)
- 5.4%
- Adults 25+ with a bachelor's degree
- 39.8%
- Adjusted gross income per tax return, 2022
- $93,5698,030 returns; wages 61% 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 83406?
FHFA's house price index for 83406, built from repeat sales and appraisals of the same homes, rose 147% from 2015 to 2025 and rose 55% from 2020 to 2025, and moved +5.5% in 2025.
- Median home value (owners' estimate)
- $392,200
- Median gross rent
- $1,367
- Homes owned by their occupants
- 69.5%
- Housing units
- 6,858
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 83406?
547 business establishments had a location in this ZIP code in 2023, 113 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance99
- Construction88
- Retail trade77
- Professional, scientific, and technical services64
- Accommodation and food services46
- Finance and insurance37
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 83406?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 83404 | Idaho Falls | 27,500 | $82k | 4.2 mi |
| 83401 | Idaho Falls | 47,972 | $79k | 7.7 mi |
| 83427 | Iona | 2,931 | $84k | 10.7 mi |
| 83274 | Shelley | 11,699 | $93k | 10.3 mi (near) |
| 83454 | Ucon | 409 | $67k | 10.8 mi (near) |
| 83402 | Idaho Falls | 29,994 | $75k | 13.8 mi (near) |
| 83442 | Rigby | 25,609 | $88k | 14.0 mi (near) |
| 83218 | Basalt | 569 | $79k | 14.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.