ZIP code · Mount Hermon · Louisiana · United States

ZIP code 70450 — Mount Hermon

ZIP code 70450 serves Mount Hermon, Louisiana.

Postal code
70450
Single source Value from one source, not cross-checked.
City
Mount Hermon
County
Washington FIPS 22117
State
Louisiana
Country
United States
Coordinates
30.9536, -90.2769 — precision precise (locality)
View on OpenStreetMap
Population
2,785 (ZCTA, ACS 5-year)
Population density
38 / sq mi
Land area
73.6 sq mi (190.5 km²) (ZCTA, ACS 5-year)
Median household income
$38,133
Per-capita income
$27,185
Median age
34.9
Households
1,210
Housing units
1,527
Median gross rent
$737 / month
Congressional district
LA-5 (119th Congress)
USDA hardiness zone
8b (15 to 20 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Chicago (UTC−6 / UTC−5 DST)
Area code
985
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 Aug (avg high 92°F), coldest Jan (avg low 37°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F606471778490919288806962
Avg low °F374047536268717166554540
Precip in6.25.45.25.74.54.95.76.34.34.84.35.3

NOAA 1991–2020 climate normals from the nearest station: TYLERTOWN 5ESE (15.5 mi) · NOAA NCEI

Places in ZIP 70450

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