ZIP code · Idaho Falls · Idaho · United States
ZIP code 83401 — Idaho Falls
ZIP code 83401 serves Idaho Falls, Idaho.
- Postal code
- 83401Single source Value from one source, not cross-checked.
- City
- Idaho Falls
- County
- Bonneville FIPS 16019
- State
- Idaho
- Country
- United States
- Coordinates
- 43.5518, -111.8919 — precision precise (locality)
View on OpenStreetMap - Population
- 47,170 (ZCTA, ACS 5-year)
- Population density
- 239 / sq mi
- Land area
- 197.3 sq mi (511 km²) (ZCTA, ACS 5-year)
- Median household income
- $75,870
- Per-capita income
- $32,962
- Median age
- 31.4
- Households
- 15,369
- Housing units
- 16,026
- Median home value
- $307,700
- Median gross rent
- $1,132 / month
- Congressional district
- ID-2 (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Boise (UTC−7 / UTC−6 DST)
Tools: compare 83401 with another ZIP · ZIPs within 25 miles · distance from 83401
Map of ZIP code 83401
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 36 | 48 | 58 | 67 | 77 | 86 | 86 | 75 | 59 | 43 | 31 |
| Avg low °F | 16 | 20 | 29 | 34 | 42 | 49 | 55 | 54 | 45 | 35 | 25 | 17 |
| Precip in | 1.1 | 0.9 | 1.3 | 1.4 | 1.9 | 1.3 | 0.5 | 0.7 | 1.1 | 1.2 | 0.9 | 1.1 |
NOAA 1991–2020 climate normals from the nearest station: IDAHO FALLS - KIFI (6.6 mi) · NOAA NCEI
Places in ZIP 83401
- 20 schools
- 9 doctors & dentists
- 3 pharmacies
- 3 supermarkets
- 37 restaurants & cafés
- 1 bars & pubs
- 14 parks
- 20 playgrounds
- 4 gyms & sports centres
- 1 post offices
- 38 places of worship
- 5 banks
- 24 gas stations
- 4 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page