ZIP code · Basalt · Idaho · United States

ZIP code 83218 — Basalt

ZIP code 83218 serves Basalt, Idaho.

Postal code
83218
Single source Value from one source, not cross-checked.
City
Basalt
County
Bingham FIPS 16011
State
Idaho
Country
United States
Coordinates
43.3155, -112.1644 — precision precise (locality)
View on OpenStreetMap
Population
520 (ZCTA, ACS 5-year)
Population density
1,151 / sq mi
Land area
0.5 sq mi (1.2 km²) (ZCTA, ACS 5-year)
Median household income
$71,500
Per-capita income
$29,199
Median age
36.7
Households
184
Housing units
189
Median home value
$267,900
Median gross rent
$1,025 / 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 codes
208, 986 (from the nearest rate centre)
Telephone 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.

Climate — monthly normals

Warmest month Jul (avg high 87°F), coldest Jan (avg low 17°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F313749576877878675614532
Avg low °F172129354350565446352618
Precip in1.00.71.11.41.81.00.50.61.01.10.81.1

NOAA 1991–2020 climate normals from the nearest station: BLACKFOOT FIRE DEPT (12.5 mi) · NOAA NCEI

Places in ZIP 83218

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