US > Louisiana > Saint Mary Parish > Morgan City, LA 70380

70380 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:

Bayou Vista, LA | Morgan City, LA

ZIP Code 70380: Basic Data & USPS Preferred City Name

Preferred Name, USPS

Morgan City, LA 70380

Not Acceptable, USPS

Bayou Vista, LA 70380

ZIP Code Type: STANDARD
Parish: Saint Mary Parish
Centroid: Latitude 29.699, Longitude -91.211
Time Zone: Central Time Zone (UTC -6 hours)
Observes DST: Yes

ZIP Code 70380 has segments in 2 Parishes (Assumption, Saint Mary).

Businesses Addresses: 897
PO Box Addresses: 0
Residential Addresses: 8,902

Multi-Family Addresses: 272
Single Family Addresses: 8,630

The ZIP Code maps and database are updated 4 times per year.
Database updated: March 1, 2026, Maps updated: May 1, 2024.

Morgan City, LA 70380 Data & Demographics

Source: 2020-2024 American Community Survey 5-Year Estimates

POPULATION
Total Population	20,529 (100%)
Population Density	264 per sq mi
Diversity Index¹	55


INCOME
Median Household Income	$54,595
Per Capita Income	$30,699
Median Home Value	$141,600

HOUSING
Total HU (Housing Units)	9,719 (100%)
Owner Occupied HU	5,491 (56.5%)
Renter Occupied HU	2,477 (25.5%)
Vacant Housing Units	1,751 (18.0%)

HOUSEHOLDS
Total Households	7,968
Average Household Size	2.55
Family Households	5,308 (66.6%)

NOTES

The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).

Morgan City, LA 70380 - Peer Comparisons by Rank and Percentile

The table below compares 70380 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description	Rank	Percentile
Total Population	# 6141	82nd
Population Density	# 11611	66th
Median Household Income	# 26819	21st
Per Capita Income	# 24041	29th
Diversity Index	# 5407	84th

Additional comparisons and rankings can be made with a VERY EASY TO USE Louisiana Census Data Comparison Tool.

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70380 ZIP Code Profile, Map, Data & Demographics

ZIP Code 70380: Basic Data & USPS Preferred City Name

Morgan City, LA 70380 Data & Demographics

POPULATION

INCOME

HOUSING

HOUSEHOLDS