Zip Code 70043 — Chalmette, LA

ZIP Code 70043 is associated with Chalmette, LA, in St. Bernard County. The listed population estimate is 22,638; estimated density is 957.0 people per square mile. Among records with population estimates, it ranks #1 of 5 in St. Bernard County and #74 of 524 in LA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (29.957100, -89.964810)

Data MetricLocal Statistic
Postal / Zip Code70043
Primary CityChalmette
State / ProvinceLA
CountySt. Bernard
Total Population22,638
Population Density957.0 people/sq mi
TimezoneAmerica/Chicago

How 70043 Compares

MetricZIP 70043St. Bernard County recordsLA records
Population estimate22,63844,327 (sum)4,611,457 (sum)
Population Density957.0 /sq mi----
County population rank#1 of 5----
State population rank#74 of 524----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in LA

ZIP CodeCityDistancePopulation estimate
ZIP 70032Arabi1.9 mi4,625
ZIP 70075Meraux3.2 mi5,392
ZIP 70131New Orleans3.4 mi25,151
ZIP 70117New Orleans4.0 mi25,652
ZIP 70114New Orleans4.3 mi22,659

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →