ZIP code · Grand Coteau · Louisiana · United States

ZIP code 70541 — Grand Coteau

ZIP code 70541 serves Grand Coteau, Louisiana.

Postal code
70541
Single source Value from one source, not cross-checked.
City
Grand Coteau
County
St. Landry FIPS 22097
State
Louisiana
Country
United States
Coordinates
30.4201, -92.0462 — precision precise (locality)
View on OpenStreetMap
Population
885 (ZCTA, ACS 5-year)
Population density
431 / sq mi
Land area
2.1 sq mi (5.3 km²) (ZCTA, ACS 5-year)
Median household income
$53,625
Per-capita income
$20,986
Median age
55.3
Households
429
Housing units
509
Median home value
$86,600
Median gross rent
$679 / month
Congressional district
LA-6 (119th Congress)
USDA hardiness zone
9a (20 to 25 °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
337 (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 41°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F646774798690929288817165
Avg low °F414551576570737268584843
Precip in6.54.53.85.35.77.04.44.45.15.05.04.9

NOAA 1991–2020 climate normals from the nearest station: GRAND COTEAU (0.2 mi) · NOAA NCEI

Places in ZIP 70541

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