ZIP code · Marthaville · Louisiana · United States

ZIP code 71450 — Marthaville

ZIP code 71450 serves Marthaville, Louisiana.

Postal code
71450
Single source Value from one source, not cross-checked.
City
Marthaville
County
Natchitoches FIPS 22069
State
Louisiana
Country
United States
Coordinates
31.7726, -93.3954 — precision precise (locality)
View on OpenStreetMap
Population
828 (ZCTA, ACS 5-year)
Population density
13 / sq mi
Land area
62.8 sq mi (162.7 km²) (ZCTA, ACS 5-year)
Median household income
$41,867
Per-capita income
$24,874
Median age
45.6
Households
364
Housing units
558
Congressional districts
LA-6 (also LA-4) (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
318 (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 Aug (avg high 92°F), coldest Jan (avg low 35°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F586270768389929287796859
Avg low °F353844516068727065524337
Precip in5.34.45.24.95.24.94.23.53.44.44.56.4

NOAA 1991–2020 climate normals from the nearest station: MANY (14.4 mi) · NOAA NCEI

Places in ZIP 71450

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