Zip Code 70380
Morgan City, Louisiana — St. Mary Parish
📍 ZIP code 70380 is in Morgan City, St. Mary Parish, Louisiana.
ZIP code 70380 is located in Morgan City, St. Mary Parish, Louisiana. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 21,043. The area code for ZIP code 70380 is 318.
Quick Answer
Zip code 70380 is in Morgan City, Louisiana (St. Mary Parish). It has a population of 21,043, median household income of $54,504, and median home value of $138,300.
Population
21,043
Income
$54,504
Home Value
$138,300
Climate
91°F / 45°F
About Zip Code 70380
Zip code 70380 is located in Morgan City, Louisiana, within St. Mary Parish. Home to approximately 21,043 residents, this area sits at an elevation of 1 ft and falls within the Central (CST/CDT) timezone. The local area code is 318.
The median household income is $54,504 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $138,300, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 91°F while winters drop to 45°F. The area receives about 59 in of rain annually. The zip code covers 64.6 square miles of land area and 13.4 square miles of water.
Key Statistics
21,043
$54,504
$138,300
Central (CST/CDT)
318
1 ft
64.6 sq mi
40.9
9,739
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Compare With Nearby Zip Codes
| Metric | 70380 | 70342 | 70372 | 70339 | 70392 | 70390 |
|---|---|---|---|---|---|---|
| City | Morgan City, LA | Berwick, LA | Labadieville, LA | Pierre Part, LA | Patterson, LA | Napoleonville, LA |
| Population | 21,043 | 4,732 | 1,846 | 4,510 | 8,158 | 7,397 |
| Median Income | $54,504 | $56,146 | $39,542 | $54,727 | $49,538 | $56,353 |
| Home Value | $138,300 | $190,600 | $143,800 | $162,600 | $141,600 | $152,000 |
| Cost of Living | 60 | 62 | 60 | 60 | 60 | 60 |
| Median Age | 40.9 | 32.9 | 47.8 | 51.6 | 37.1 | 36.2 |
Cost of Living
100 = National Average. Morgan City's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.5x
Demographics
Zip code 70380 has a population of 21,043 people with a median age of 40.9. There are 9,739 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Morgan City (70380) population trend from 2010 to 2024
↓ -41.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
91°F
45°F
59 in
0 in
Morgan City experiences hot summers with average highs around 91°F. Winters are mild with lows averaging 45°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$138,300
Median Household Income
$54,504
With 9,739 housing units across 64.6 square miles, 70380 has a housing density of 151 units per square mile. The home price-to-income ratio is 2.5x.
Location & Geography
Latitude
29.7544°
Longitude
-91.1338°
Land Area
64.6 sq mi
Water Area
13.4 sq mi
Nearby Zip Codes
Zip codes closest to 70380 (Morgan City, LA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 70380's $54,504. A way to compare Morgan City to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 70380 (Morgan City, LA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Morgan City, Louisiana?
Morgan City, Louisiana uses zip code 70380.
What county is zip code 70380 in?
Zip code 70380 is located in St. Mary Parish, Louisiana.
What is the population of zip code 70380?
The population of zip code 70380 is 21,043 with a median age of 40.9.
Is 70380 in Morgan City, Louisiana?
Yes, zip code 70380 is in Morgan City, St. Mary Parish, Louisiana. The area code is 318.
Frequently Asked Questions
What city is zip code 70380 in?
Zip code 70380 is in Morgan City, Louisiana. It is part of St. Mary Parish and uses the Central (CST/CDT) timezone.
What is zip code 70380?
Zip code 70380 is a U.S. postal code in Morgan City, Louisiana (St. Mary Parish). It has a population of 21,043 and covers 64.6 square miles.
What is the population of zip code 70380?
The population of zip code 70380 (Morgan City, LA) is 21,043 with a median age of 40.9. There are approximately 9,739 housing units in this area.
What is the median income in zip code 70380?
The median household income in zip code 70380 (Morgan City, LA) is $54,504 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 70380?
The median home value in zip code 70380 (Morgan City, LA) is $138,300. The cost of living index is 60 compared to the national average of 100.
What county is zip code 70380 in?
Zip code 70380 is located in St. Mary Parish, Louisiana. The primary city is Morgan City.
What is the area code for zip code 70380?
Zip code 70380 in Morgan City, LA uses area code 318. It is located in the Central (CST/CDT) timezone.
Is zip code 70380 a good place to live?
Zip code 70380 (Morgan City, LA) has a cost of living index of 60 (100 = national average), a median household income of $54,504, and median home values of $138,300. The median age is 40.9. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 70380?
The cost of living index for zip code 70380 (Morgan City, LA) is 60, where 100 represents the national average. This area is below the national average. Median home value: $138,300.
What schools serve zip code 70380?
Zip code 70380 in Morgan City, Louisiana is served by the local school district of St. Mary Parish. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.