70380 ZIP Code — Morgan City, LA

Saint Mary County, Louisiana

ZIP code 70380 is located in Morgan City, Louisiana, within Saint Mary County. It covers approximately 77.66 square miles and serves a population of 20,877 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 985.

About ZIP code 70380

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $139,900. Owner-occupancy sits near the national average at 69%.

Median household income is $47,406. Poverty affects 21% of residents, above the national average. SNAP benefit usage at 24% of households reflects economic stress in the area. 36% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 23 minutes is near the national average.

College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (24%) compared to national benchmarks.

Overall, ZIP code 70380 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

20,877

population

77.66

sq mi land

Standard

ZIP type

Central (CT)

timezone

70380 ZIP code map

Cities in ZIP code 70380

Below are the cities the US Postal Service accepts for ZIP code 70380. Using any city not on this list may result in mail delivery delays.

City	Status
Morgan City	Acceptable
Morgan City	Preferred

Nearby ZIP codes

70339 Pierre Part (10.3 mi) 70342 Berwick (11.8 mi) 70392 Patterson (13.7 mi) 70390 Napoleonville (14 mi) 70372 Labadieville (16.3 mi) 70544 Jeanerette (17.7 mi) 70356 Gibson (18.1 mi) 70393 Plattenville (19.3 mi) 70341 Belle Rose (19.3 mi) 70514 Baldwin (19.8 mi)

Demographics updated 05/2026

Population
Total population	20,877
Population density	269 / sq mi
State FIPS	22
County FIPS	101

Geography
Land area	77.66 sq mi
Water area	21.67 sq mi
Latitude	29.7986
Longitude	-91.2319
Timezone	Central (CT)
Area code	985

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	60.4%	59.3%	49.2%
$50k – $100k	25.1%	26.4%	27.7%
$100k – $200k	12.4%	12.1%	18.3%
Over $200k	2.0%	2.2%	4.7%

Demographics & statistics

20,877

Population

269

People per sq mi

41.1

Median age

$47,406

Median household income

$27,941

Per capita income

$139,900

Median home value

$849

Median monthly rent

68.5%

Home ownership

21.4%

Poverty rate

7.1%

Unemployment

7,259

Housing units

11.0%

Bachelor's or higher

Age distribution

Male Female

752

Under 5

716

726

5–9

690

702

10–14

668

600

15–19

571

497

20–24

473

1,241

25–34

1,180

1,308

35–44

1,244

1,420

45–54

1,352

723

55–59

687

846

60–64

805

1,098

65–74

1,044

542

75–84

516

244

85+

232

← Male

Female →

Age summary

Group	Count	%
Under 18	4,974	23.8%
18 and over	15,903	76.2%
65 and over	3,676	17.6%
Median age	41.1 years

Race & ethnicity

White 64%

Black or African American 10.5%

Hispanic or Latino 9.6%

Two or more races 6.9%

Other race 6.2%

Asian 1.9%

American Indian / Alaska Native 0.8%

Group	Count	%
White	14,791	64%
Black or African American	2,431	10.5%
Hispanic or Latino	2,225	9.6%
Two or more races	1,599	6.9%
Other race	1,424	6.2%
Asian	450	1.9%
American Indian / Alaska Native	182	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	60.4%	59.3%	49.2%
$50k – $100k	25.1%	26.4%	27.7%
$100k – $200k	12.4%	12.1%	18.3%
Over $200k	2.0%	2.2%	4.7%

Under $10k 9.8%

$10k–$15k 8.6%

$15k–$25k 10.1%

$25k–$35k 7.6%

$35k–$50k 15.3%

$50k–$75k 17.2%

$75k–$100k 8.9%

$100k–$150k 15.0%

$150k–$200k 4.5%

$200k+ 3.0%

Range	% of households
Under $10k	9.8%
$10k–$15k	8.6%
$15k–$25k	10.1%
$25k–$35k	7.6%
$35k–$50k	15.3%
$50k–$75k	17.2%
$75k–$100k	8.9%
$100k–$150k	15.0%
$150k–$200k	4.5%
$200k+	3.0%
Median income	$47,406

Housing

Home values

Under $50k 16.6%

$50k–$100k 19.2%

$100k–$150k 18.8%

$150k–$200k 19.2%

$200k–$300k 15.5%

$300k–$500k 7.0%

$500k–$1M 3.1%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$139,900
Median rent / month	$849
Owner occupied	68.5%
Renter occupied	31.5%
Vacant	17.3%
Single-family detached	69.1%
Large apartment buildings	2.2%
Mobile homes	16.9%
Median rooms	5.4
Avg household size (owned)	2.59

Year built

Era	%
2020 or later	0.2%
2010–2019	2.7%
2000–2009	10.2%
1990–1999	7.1%
1980–1989	12.8%
1970–1979	18.6%
1960–1969	24.0%
1950–1959	14.0%
1940–1949	5.3%
1939 or earlier	5.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.7%
1 bedroom	10.5%
2 bedrooms	23.0%
3 bedrooms	53.1%
4 bedrooms	9.8%
5+ bedrooms	2.0%

Vehicles per household

Vehicles	% of households
No vehicle	9.0%
1 vehicle	36.8%
2 vehicles	41.1%
3 or more	13.1%

Heating fuel

Fuel type	%
Utility gas	31.3%
Electricity	68.2%
Propane / LP gas	0.1%
Solar	0.1%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	3,799	46.8%
Cohabiting couple	675	8.3%
Male householder, no spouse	1,489	18.3%
Female householder, no spouse	2,160	26.6%
Households with children under 18	2,697	33.2%
Households with seniors (65+)	2,648	32.6%
Average household size	2.55

Marital status

Status	Male	Female
Never married	31.0%	25.3%
Married	49.6%	46.8%
Separated	3.1%	3.2%
Widowed	4.8%	12.1%
Divorced	11.5%	12.6%

Education

Less than 9th grade 9.3%

Some HS, no diploma 14.2%

HS graduate 42.7%

Some college, no degree 18.1%

Associate's degree 4.7%

Bachelor's degree 8.0%

Graduate / professional 3.0%

Metric	%
HS diploma or higher	76.6%
Bachelor's or higher	11.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	347	8.0%
Kindergarten	234	5.4%
Elementary school	2,180	50.0%
High school	977	22.4%
College / grad school	621	14.2%

Employment

Industry of employment

Education & healthcare 16.1%

Construction 14.3%

Manufacturing 13.6%

Retail trade 11.3%

Arts, food & hospitality 7.3%

Professional & management 7.2%

Agriculture & mining 7.1%

Other services 6.4%

Transportation & utilities 5.6%

Finance & real estate 4.6%

Wholesale trade 3.8%

Public administration 1.8%

Information 0.9%

Occupation

Category	%
Management, business & arts	24.2%
Service	14.1%
Sales & office	23.2%
Natural resources & construction	18.0%
Production & transportation	20.5%

Employment type

Type	%
Private sector	82.8%
Government	11.8%
Self-employed	5.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.1%
Carpool	9.0%
Public transit	0.0%
Walk	1.8%
Work from home	3.7%
Other means	1.4%
Avg commute (minutes)	22.6

Poverty

All people 21.4%

Under 18 years 24.6%

18 and over 20.4%

Married-couple families 7.9%

Female-led households 43.3%

Income support

Source	% of households
Social Security	36.2%
Retirement income	19.8%
Supplemental Security	9.5%
Cash public assistance	1.4%
Food stamps / SNAP	24.0%

Health indicators

Condition	%
Obesity	35.8%
High blood pressure	39.1%
High cholesterol	36.8%
Diabetes	14.0%
Heart disease	7.8%
Stroke	4.1%
Asthma	9.7%
Arthritis	26.2%
Kidney disease	3.5%
Pulmonary disease	9.3%
Cancer	6.1%

Behavior / access	%
Smoking	24.4%
Binge drinking	19.1%
No physical activity	34.0%
Less than 7 hrs sleep	35.4%
Depression	25.7%
Fair or poor health	22.6%
Poor mental health	18.5%
Poor physical health	14.2%
No health insurance	17.9%
Visited doctor (checkup)	77.2%
Visited dentist	51.0%
Cholesterol screening	87.5%
Teeth loss	21.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	895	5.6%

Disability	%
Any disability	18.0%
Under 18	7.5%
18–64 years	15.3%
65 and over	41.8%

Health insurance coverage

Type	%
Private insurance	50.4%
Public insurance	52.1%
No insurance	9.2%
Uninsured under 19	6.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,409	93.0%
Spanish	1,714	8.8%
Other Indo-European	1,196	6.2%
Asian & Pacific Islander	281	1.4%
Other languages	237	1.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,024	91.1%
Born in same state	18,917	90.6%
Born in different state	16,063	76.9%
Foreign born	107	0.5%
Naturalized citizen	1,853	8.9%
Not a US citizen	652	35.2%

Ancestry

Ancestry	Count	%
Italian	1,350	6.5%
Arab	1,299	6.2%
French	1,100	5.3%

Ancestry	Count	%
German	629	3%
Irish	56	0.3%
English	31	0.1%

Technology access

Metric	% of households
Computer access	38.9%
Internet access	85.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 70380

What city is ZIP code 70380 in?

ZIP code 70380 is primarily assigned to Morgan City, Louisiana.

What county is ZIP code 70380 in?

ZIP code 70380 falls within Saint Mary County, Louisiana.

How educated is the population of ZIP code 70380?

11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the poverty rate in ZIP code 70380?

21% of residents in ZIP code 70380 live below the poverty line, above the national average.

Does ZIP code 70380 have a large retiree population?

36% of households in ZIP code 70380 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 70380?

The median home value in ZIP code 70380 is $139,900.

What timezone is ZIP code 70380 in?

ZIP code 70380 observes the CST timezone.