ZIP code · Dubois · Idaho · United States
ZIP code 83423 — Dubois
ZIP code 83423 serves Dubois, Idaho.
- Postal code
- 83423Single source Value from one source, not cross-checked.
- City
- Dubois
- County
- Clark FIPS 16033
- State
- Idaho
- Country
- United States
- Coordinates
- 44.1858, -112.3259 — precision precise (locality)
View on OpenStreetMap - Population
- 668 (ZCTA, ACS 5-year)
- Population density
- 1 / sq mi
- Land area
- 549.9 sq mi (1,424.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $51,146
- Per-capita income
- $22,709
- Median age
- 33
- Households
- 215
- Housing units
- 357
- Median home value
- $200,000
- Median gross rent
- $770 / 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)
- Area code
- 208Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 83423 with another ZIP · ZIPs within 25 miles · distance from 83423
Map of ZIP code 83423
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 15°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 33 | 44 | 57 | 67 | 76 | 87 | 85 | 75 | 58 | 41 | 30 |
| Avg low °F | 15 | 18 | 26 | 33 | 41 | 47 | 55 | 53 | 45 | 34 | 24 | 16 |
| Precip in | 0.8 | 0.6 | 0.8 | 1.3 | 2.0 | 1.6 | 0.7 | 0.7 | 0.9 | 1.1 | 0.7 | 1.0 |
NOAA 1991–2020 climate normals from the nearest station: DUBOIS EXP STN (7.4 mi) · NOAA NCEI
Places in ZIP 83423
- 3 schools
- 1 places of worship
- 2 gas stations
- 1 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