ZIP code · Logan · Utah · United States

ZIP code 84321 — Logan

ZIP code 84321 serves Logan, Utah.

Postal code
84321
Single source Value from one source, not cross-checked.
City
Logan
County
Cache FIPS 49005
State
Utah
Country
United States
Coordinates
41.7470, -111.8226 — precision precise (locality)
View on OpenStreetMap
Population
49,811 (ZCTA, ACS 5-year)
Population density
226 / sq mi
Land area
220.1 sq mi (570.1 km²) (ZCTA, ACS 5-year)
Median household income
$66,262
Per-capita income
$27,377
Median age
23.8
Households
16,019
Housing units
17,213
Median home value
$360,300
Median gross rent
$1,037 / month
Congressional district
UT-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/Denver (UTC−7 / UTC−6 DST)
Area code
435
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 88°F), coldest Jan (avg low 18°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F323748576778888776614534
Avg low °F182130364452605950392919
Precip in1.81.62.22.32.41.30.60.71.31.81.41.6

NOAA 1991–2020 climate normals from the nearest station: LOGAN UTAH ST UNIV (1.0 mi) · NOAA NCEI

Places in ZIP 84321

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