ZIP code · Chalmette · Louisiana · United States

ZIP code 70043 — Chalmette

ZIP code 70043 serves Chalmette, Louisiana.

Postal code
70043
Single source Value from one source, not cross-checked.
City
Chalmette
County
St. Bernard FIPS 22087
State
Louisiana
Country
United States
Coordinates
29.9466, -89.9611 — precision precise (locality)
View on OpenStreetMap
Population
22,461 (ZCTA, ACS 5-year)
Population density
2,459 / sq mi
Land area
9.1 sq mi (23.7 km²) (ZCTA, ACS 5-year)
Median household income
$57,065
Per-capita income
$29,140
Median age
34.6
Households
7,914
Housing units
8,782
Median home value
$203,800
Median gross rent
$1,091 / month
Congressional districts
LA-2 (also LA-1) (119th Congress)
USDA hardiness zone
9b (25 to 30 °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
504 (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 44°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F626673798791929288817265
Avg low °F444753606874767673645246
Precip in5.84.64.95.36.38.09.07.45.24.74.34.9

NOAA 1991–2020 climate normals from the nearest station: CHALMETTE (1.5 mi) · NOAA NCEI

Places in ZIP 70043

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