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Zip Code 70380 — Morgan City, LA

70380 is a ZIP Code associated with Morgan City, LA, located within St. Mary. The postal region supports an estimated population of 20,529 residents across Data Pending housing units, with a population density of 102.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (29.719440, -91.126340)

Data MetricLocal Statistic
Postal / Zip Code70380
Primary CityMorgan City
State / ProvinceLA
CountySt. Mary
Total Population20,529
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density102.1 people/sq mi
TimezoneAmerica/Chicago

How 70380 Compares

MetricZIP 70380St. Mary CountyLA State Average
Population20,52948,6584,611,457
Median IncomeData PendingN/AN/A
Population Density102.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 70340Amelia3.7 miN/AN/A
Zip 70342Berwick6.9 mi4,607N/A
Zip 70372Labadieville9.3 mi1,968N/A
Zip 70352Donner11.1 mi167N/A
Zip 70356Gibson11.4 mi1,495N/A

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 →