ZIP code · Swanlake · Idaho · United States
ZIP code 83281 — Swanlake
ZIP code 83281 serves Swanlake, Idaho.
- Postal code
- 83281Single source Value from one source, not cross-checked.
- City
- Swanlake
- County
- Bannock FIPS 16005
- State
- Idaho
- Country
- United States
- Coordinates
- 42.3195, -111.9781 — precision precise (locality)
View on OpenStreetMap - Population
- 171 (ZCTA, ACS 5-year)
- Population density
- 4 / sq mi
- Land area
- 40.9 sq mi (106 km²) (ZCTA, ACS 5-year)
- Median household income
- $128,701
- Per-capita income
- $58,306
- Median age
- 58.7
- Households
- 79
- Housing units
- 79
- Median home value
- $303,700
- 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 83281 with another ZIP · ZIPs within 25 miles · distance from 83281
Map of ZIP code 83281
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 14°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 32 | 37 | 48 | 58 | 67 | 78 | 89 | 88 | 77 | 62 | 46 | 34 |
| Avg low °F | 14 | 18 | 25 | 31 | 38 | 44 | 51 | 49 | 41 | 31 | 23 | 16 |
| Precip in | 1.1 | 1.1 | 1.5 | 1.5 | 2.3 | 1.3 | 1.0 | 1.0 | 1.4 | 1.3 | 1.1 | 1.1 |
NOAA 1991–2020 climate normals from the nearest station: DOWNEY (10.5 mi) · NOAA NCEI
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