Franklin ZIP Codes — Saint Mary County, LA

There is one unique ZIP code in Franklin, Louisiana and it is 70538. Area code: 337.

ZIP codes

229.90

sq mi land

30.41

sq mi water

337

area code

Franklin, LA ZIP code map

About Franklin, LA

Franklin, Louisiana, is a charming city located in Saint Mary County. Known for its rich history and close-knit community, it has much to offer to both residents and visitors. The city embodies the spirit of southern hospitality and features beautiful landscapes and historic architecture.

Location & geography

Nestled in the southern part of Louisiana, Franklin is approximately 20 miles southeast of Morgan City and about 40 miles southwest of Baton Rouge. The terrain is characterized by a healthy mix of land and water, with the total land area measuring 229.90 square miles and water covering 30.41 square miles. This picturesque city is enveloped by the lush bayous and waterways typical of southern Louisiana.

Community & economy

The character of Franklin is deeply rooted in its agricultural background, with industries such as sugarcane production and oil refining playing a significant role in the local economy. Residents enjoy a community-oriented lifestyle, often participating in local events and festivals that celebrate their cultural heritage. Daily life in Franklin is vibrant, with opportunities for recreation and engagement with nature available in abundance.

Transportation

Travelers in Franklin primarily navigate through U.S. Highway 90, which provides easy access to neighboring cities. The closest major airport is Louis Armstrong New Orleans International Airport, located about 80 miles to the east, while local transit options may include regional bus services. The city’s location along significant highways facilitates commuting and travel for both residents and visitors.

History

Franklin was founded in the early 1800s and has since developed a rich historical narrative tied to its agricultural roots. The city has played a vital role in the sugarcane industry, which has historically shaped its economy and culture. Notable events include its designation as a key point in the Civil War, making it a site of interest for history enthusiasts.

Did you know?

One surprising fact about Franklin is its designation as the 'Shrimp Capital of the World' due to its significant commercial fishing industry. The city also boasts stunning historic homes and buildings that reflect its architectural past, drawing in tourists and history buffs alike.

ZIP codes for Franklin, LA (1)

ZIP code	City	County	Map
70538	Franklin	Saint Mary	View map

Demographics & statistics

13,342

Population

41.4

Median age

$47,174

Median household income

$26,836

Per capita income

$107,000

Median home value

$831

Median monthly rent

73.6%

Home ownership

19.2%

Poverty rate

4.6%

Unemployment

5,208

Housing units

14.9%

Bachelor's or higher

Age distribution

Male Female

367

Under 5

391

398

5–9

424

447

10–14

476

414

15–19

441

338

20–24

361

668

25–34

713

774

35–44

825

654

45–54

698

499

55–59

532

522

60–64

556

800

65–74

853

350

75–84

373

227

85+

241

← Male

Female →

Age summary

Group	Count	%
Under 18	3,001	22.5%
18 and over	10,341	77.5%
65 and over	2,844	21.3%
Median age	41.4 years

Race & ethnicity

White 49.6%

Black or African American 42.4%

Two or more races 4.4%

Hispanic or Latino 1.2%

American Indian / Alaska Native 0.9%

Asian 0.9%

Other race 0.6%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	6,697	49.6%
Black or African American	5,722	42.4%
Two or more races	595	4.4%
Hispanic or Latino	166	1.2%
American Indian / Alaska Native	121	0.9%
Asian	115	0.9%
Other race	79	0.6%
Native Hawaiian / Pacific Islander	13	0.1%

Household income

Under $10k 11.1%

$10k–$15k 6.2%

$15k–$25k 14.1%

$25k–$35k 7.4%

$35k–$50k 13.5%

$50k–$75k 15.8%

$75k–$100k 14.1%

$100k–$150k 11.4%

$150k–$200k 3.6%

$200k+ 2.9%

Range	% of households
Under $10k	11.1%
$10k–$15k	6.2%
$15k–$25k	14.1%
$25k–$35k	7.4%
$35k–$50k	13.5%
$50k–$75k	15.8%
$75k–$100k	14.1%
$100k–$150k	11.4%
$150k–$200k	3.6%
$200k+	2.9%
Median income	$47,174

Housing

Home values

Under $50k 19.2%

$50k–$100k 26.8%

$100k–$150k 20.3%

$150k–$200k 6.6%

$200k–$300k 13.2%

$300k–$500k 12.2%

$500k–$1M 1.7%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$107,000
Median rent / month	$831
Owner occupied	73.6%
Renter occupied	26.4%
Vacant	21.4%
Single-family detached	74.3%
Large apartment buildings	0.8%
Mobile homes	20.3%
Median rooms	5.8
Avg household size (owned)	2.53

Year built

Era	%
2020 or later	0.0%
2010–2019	4.9%
2000–2009	10.2%
1990–1999	12.3%
1980–1989	12.3%
1970–1979	18.8%
1960–1969	11.3%
1950–1959	16.0%
1940–1949	5.1%
1939 or earlier	9.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	2.3%
2 bedrooms	19.3%
3 bedrooms	60.7%
4 bedrooms	16.0%
5+ bedrooms	1.3%

Vehicles per household

Vehicles	% of households
No vehicle	10.2%
1 vehicle	35.2%
2 vehicles	34.9%
3 or more	19.6%

Heating fuel

Fuel type	%
Utility gas	38.1%
Electricity	61.2%
Propane / LP gas	0.1%
Fuel oil	0.4%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	2,164	41.9%
Cohabiting couple	223	4.3%
Male householder, no spouse	1,158	22.4%
Female householder, no spouse	1,616	31.3%
Households with children under 18	1,327	25.7%
Households with seniors (65+)	1,947	37.7%
Average household size	2.50

Marital status

Status	Male	Female
Never married	38.4%	28.5%
Married	45.5%	41.8%
Separated	0.8%	3.1%
Widowed	3.9%	13.6%
Divorced	11.4%	13.0%

Education

Less than 9th grade 3.5%

Some HS, no diploma 12.4%

HS graduate 47.9%

Some college, no degree 16.0%

Associate's degree 5.4%

Bachelor's degree 8.9%

Graduate / professional 6.0%

Metric	%
HS diploma or higher	84.2%
Bachelor's or higher	14.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	140	5.0%
Kindergarten	83	3.0%
Elementary school	1,444	52.1%
High school	698	25.2%
College / grad school	408	14.7%

Employment

Industry of employment

Education & healthcare 28.0%

Agriculture & mining 14.0%

Retail trade 12.8%

Construction 8.9%

Manufacturing 6.6%

Arts, food & hospitality 6.4%

Professional & management 6.0%

Transportation & utilities 5.4%

Other services 3.6%

Public administration 3.3%

Finance & real estate 3.2%

Wholesale trade 1.2%

Information 0.7%

Occupation

Category	%
Management, business & arts	26.6%
Service	21.0%
Sales & office	23.8%
Natural resources & construction	11.9%
Production & transportation	16.8%

Employment type

Type	%
Private sector	78.9%
Government	15.5%
Self-employed	5.4%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	86.8%
Carpool	7.1%
Public transit	0.0%
Walk	0.8%
Other means	1.2%
Avg commute (minutes)	21.2

Poverty

All people 19.2%

Under 18 years 22.7%

18 and over 18.1%

Married-couple families 13.8%

Female-led households 26.5%

Income support

Source	% of households
Social Security	36.0%
Retirement income	25.7%
Supplemental Security	12.3%
Cash public assistance	0.9%
Food stamps / SNAP	21.6%

Health indicators

Condition	%
High blood pressure	42.9%
High cholesterol	36.4%
Heart disease	7.7%
Stroke	4.5%
Asthma	10.2%
Arthritis	26.8%
Kidney disease	3.7%
Pulmonary disease	8.6%
Cancer	6.3%

Behavior / access	%
Binge drinking	17.3%
No physical activity	33.7%
Less than 7 hrs sleep	37.2%
Fair or poor health	22.8%
Poor mental health	17.8%
Poor physical health	13.8%
No health insurance	16.6%
Visited doctor (checkup)	80.1%
Visited dentist	52.0%
Cholesterol screening	89.6%
Teeth loss	21.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	630	6.1%

Disability	%
Any disability	21.1%
Under 18	3.2%
18–64 years	19.4%
65 and over	44.9%

Health insurance coverage

Type	%
Private insurance	53.9%
Public insurance	60.2%
Uninsured under 19	1.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	12,584	94.3%
Spanish	100	0.8%
Other Indo-European	25	0.2%
Asian & Pacific Islander	6	0.0%
Other languages	69	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	13,192	98.9%
Born in same state	13,160	98.6%
Born in different state	11,839	88.7%
Foreign born	32	0.2%
Naturalized citizen	150	1.1%
Not a US citizen	70	46.7%

Ancestry

Ancestry	Count	%
Arab	679	5.1%
Italian	365	2.7%
French	319	2.4%
German	310	2.3%

Ancestry	Count	%
English	78	0.6%
Dutch	23	0.2%
Polish	9	0.1%

Technology access

Metric	% of households
Computer access	38.7%
Internet access	82.9%

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

Frequently asked questions

What ZIP codes does Franklin, LA have?

Franklin, LA has one ZIP code: 70538. Each ZIP code serves a distinct delivery area within the city and surrounding region.