ZIP code · Winchester · Idaho · United States
ZIP code 83555 — Winchester
ZIP code 83555 serves Winchester, Idaho.
- Postal code
- 83555Single source Value from one source, not cross-checked.
- City
- Winchester
- County
- Lewis FIPS 16061
- State
- Idaho
- Country
- United States
- Coordinates
- 46.2383, -116.6204 — precision precise (locality)
View on OpenStreetMap - Population
- 493 (ZCTA, ACS 5-year)
- Population density
- 3 / sq mi
- Land area
- 182.5 sq mi (472.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $58,125
- Per-capita income
- $29,445
- Median age
- 52.7
- Households
- 184
- Housing units
- 310
- Median home value
- $231,000
- Median gross rent
- $775 / month
- Congressional district
- ID-1 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
Tools: compare 83555 with another ZIP · ZIPs within 25 miles · distance from 83555
Map of ZIP code 83555
Climate — monthly normals
Warmest month Aug (avg high 79°F), coldest Dec (avg low 22°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 39 | 45 | 52 | 60 | 67 | 78 | 79 | 70 | 56 | 43 | 35 |
| Avg low °F | 23 | 23 | 27 | 32 | 39 | 43 | 49 | 49 | 42 | 35 | 28 | 22 |
| Precip in | 1.8 | 1.6 | 2.3 | 2.7 | 2.8 | 2.4 | 0.8 | 0.7 | 1.1 | 1.8 | 2.1 | 1.8 |
NOAA 1991–2020 climate normals from the nearest station: WINCHESTER (0.1 mi) · NOAA NCEI
Places in ZIP 83555
- 1 supermarkets
- 2 restaurants & cafés
- 1 playgrounds
- 1 libraries
- 1 post offices
- 1 gas 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