ZIP code · Mesa · Idaho · United States
ZIP code 83643 — Mesa
ZIP code 83643 serves Mesa, Idaho.
- Postal code
- 83643Single source Value from one source, not cross-checked.
- City
- Mesa
- County
- Adams FIPS 16003
- State
- Idaho
- Country
- United States
- Coordinates
- 44.6255, -116.4493 — precision precise (locality)
View on OpenStreetMap - Population
- 165 (ZCTA, ACS 5-year)
- Population density
- 47 / sq mi
- Land area
- 3.5 sq mi (9 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $24,711
- Median age
- 61.4
- Households
- 65
- Housing units
- 100
- Median home value
- $472,700
- Congressional district
- ID-1 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °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 83643 with another ZIP · ZIPs within 25 miles · distance from 83643
Map of ZIP code 83643
Climate — monthly normals
Warmest month Jul (avg high 92°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 40 | 52 | 61 | 72 | 80 | 92 | 91 | 80 | 64 | 47 | 36 |
| Avg low °F | 18 | 22 | 29 | 35 | 42 | 49 | 57 | 55 | 45 | 35 | 26 | 19 |
| Precip in | 2.7 | 2.0 | 2.6 | 2.1 | 2.4 | 1.6 | 0.4 | 0.4 | 0.9 | 1.6 | 2.6 | 3.0 |
NOAA 1991–2020 climate normals from the nearest station: COUNCIL (8.3 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