Bay Saint Louis ZIP Codes — Hancock County, MS

There are 2 unique ZIP codes in Bay Saint Louis, Mississippi. Area code: 228.

ZIP codes

96.93

sq mi land

5.28

sq mi water

228

area code

Bay Saint Louis, MS ZIP code map

About Bay Saint Louis, MS

Bay Saint Louis, Mississippi, is a quaint coastal city located in Hancock County. Known for its rich history and picturesque waterfront, the city offers a charming blend of Southern hospitality and scenic beauty. With a vibrant community and a variety of recreational opportunities, Bay Saint Louis is a delightful destination for both residents and visitors alike.

Location & geography

Bay Saint Louis is situated along the Gulf of Mexico, providing stunning views and access to various water activities. It is approximately 50 miles from New Orleans, Louisiana, and about 30 miles from Gulfport, Mississippi. The city covers a land area of 96.93 square miles, with an additional 5.28 square miles of water, contributing to its beautiful coastal landscape.

Community & economy

The character of Bay Saint Louis is shaped by its friendly residents and strong sense of community. The local economy thrives on tourism, fishing, and the arts, with many residents engaging in activities that showcase the area’s unique culture. Daily life in Bay Saint Louis often revolves around outdoor events and waterfront gatherings, making it an inviting place for social interaction.

Transportation

Highway 90 runs through Bay Saint Louis, providing essential connectivity to neighboring cities and attractions along the Gulf Coast. The nearest major airport is Gulfport-Biloxi International Airport, located about 20 miles to the east, offering access to domestic flights. Public transit options are limited, so most residents rely on personal vehicles for transportation.

History

Bay Saint Louis was founded in the 17th century and has a rich history that reflects its coastal heritage. Key industries have included shipbuilding and fishing, which continue to play a role in the local economy today. Notable events in the city’s past include the impact of Hurricane Katrina in 2005, which led to significant rebuilding and revitalization efforts.

Did you know?

A little-known fact about Bay Saint Louis is that it was once the home of famous American author William Faulkner, who frequented the area during his youth. The city's historical district features numerous architectural gems, showcasing its diverse cultural heritage.

ZIP codes for Bay Saint Louis, MS (2)

ZIP code	City	County	Map
39520	Bay Saint Louis	Hancock	View map
39521	Bay Saint Louis	Hancock	View map

Demographics & statistics

15,281

Population

47.8

Median age

$56,147

Median household income

$40,380

Per capita income

$200,600

Median home value

$981

Median monthly rent

75.0%

Home ownership

16.4%

Poverty rate

8.9%

Unemployment

6,533

Housing units

29.0%

Bachelor's or higher

Age distribution

Male Female

296

Under 5

344

336

5–9

390

507

10–14

590

347

15–19

404

272

20–24

316

713

25–34

828

722

35–44

839

1,202

45–54

1,397

470

55–59

547

625

60–64

727

1,031

65–74

1,198

427

75–84

496

119

85+

138

← Male

Female →

Age summary

Group	Count	%
Under 18	2,925	19.1%
18 and over	12,356	80.9%
65 and over	3,409	22.3%
Median age	47.8 years

Race & ethnicity

White 78.2%

Black or African American 10.7%

Two or more races 4.3%

Hispanic or Latino 2.7%

Other race 1.8%

American Indian / Alaska Native 1.3%

Asian 0.9%

Group	Count	%
White	12,286	78.2%
Black or African American	1,688	10.7%
Two or more races	680	4.3%
Hispanic or Latino	429	2.7%
Other race	284	1.8%
American Indian / Alaska Native	198	1.3%
Asian	145	0.9%

Household income

Under $10k 4.9%

$10k–$15k 4.7%

$15k–$25k 10.0%

$25k–$35k 7.7%

$35k–$50k 19.5%

$50k–$75k 14.0%

$75k–$100k 9.9%

$100k–$150k 15.2%

$150k–$200k 6.0%

$200k+ 8.1%

Range	% of households
Under $10k	4.9%
$10k–$15k	4.7%
$15k–$25k	10.0%
$25k–$35k	7.7%
$35k–$50k	19.5%
$50k–$75k	14.0%
$75k–$100k	9.9%
$100k–$150k	15.2%
$150k–$200k	6.0%
$200k+	8.1%
Median income	$56,147

Housing

Home values

Under $50k 7.5%

$50k–$100k 13.1%

$100k–$150k 8.6%

$150k–$200k 20.6%

$200k–$300k 22.1%

$300k–$500k 18.6%

$500k–$1M 8.9%

$1M+ 0.7%

Housing overview

Metric	Value
Median home value	$200,600
Median rent / month	$981
Owner occupied	75.0%
Renter occupied	25.0%
Vacant	18.3%
Single-family detached	80.4%
Large apartment buildings	5.6%
Mobile homes	4.1%
Median rooms	5.4
Avg household size (owned)	2.12

Year built

Era	%
2020 or later	1.5%
2010–2019	13.0%
2000–2009	33.2%
1990–1999	14.8%
1980–1989	5.5%
1970–1979	10.5%
1960–1969	9.6%
1950–1959	2.3%
1940–1949	3.9%
1939 or earlier	5.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	6.6%
2 bedrooms	25.7%
3 bedrooms	55.3%
4 bedrooms	8.1%
5+ bedrooms	3.1%

Vehicles per household

Vehicles	% of households
No vehicle	5.0%
1 vehicle	33.8%
2 vehicles	41.9%
3 or more	19.3%

Heating fuel

Fuel type	%
Utility gas	14.4%
Electricity	82.5%
Propane / LP gas	0.8%
Wood	0.2%
No fuel used	2.1%

Households & families

Household type	Count	%
Married-couple family	3,166	47.2%
Cohabiting couple	649	9.7%
Male householder, no spouse	691	10.3%
Female householder, no spouse	2,206	32.9%
Households with children under 18	2,127	31.7%
Households with seniors (65+)	2,585	38.5%
Average household size	2.25

Marital status

Status	Male	Female
Never married	21.5%	20.9%
Married	59.9%	45.2%
Separated	2.1%	5.5%
Widowed	4.0%	11.7%
Divorced	12.4%	16.6%

Education

Less than 9th grade 2.9%

Some HS, no diploma 6.0%

HS graduate 28.8%

Some college, no degree 23.0%

Associate's degree 10.3%

Bachelor's degree 15.5%

Graduate / professional 13.5%

Metric	%
HS diploma or higher	91.1%
Bachelor's or higher	29.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	81	2.6%
Kindergarten	76	2.5%
Elementary school	1,655	53.6%
High school	632	20.5%
College / grad school	645	20.9%

Employment

Industry of employment

Education & healthcare 22.2%

Arts, food & hospitality 14.1%

Transportation & utilities 12.0%

Retail trade 10.9%

Professional & management 9.1%

Manufacturing 6.8%

Construction 6.5%

Public administration 5.5%

Finance & real estate 4.2%

Wholesale trade 3.2%

Other services 2.6%

Information 1.8%

Agriculture & mining 1.0%

Occupation

Category	%
Management, business & arts	37.5%
Service	17.4%
Sales & office	25.6%
Natural resources & construction	10.9%
Production & transportation	8.6%

Employment type

Type	%
Private sector	69.5%
Government	19.6%
Self-employed	9.5%
Unpaid family workers	1.4%

Commute

Method	%
Drive alone	73.1%
Carpool	6.8%
Public transit	0.0%
Walk	2.3%
Other means	4.1%
Avg commute (minutes)	28.9

Poverty

All people 16.4%

Under 18 years 33.8%

18 and over 12.4%

Married-couple families 5.7%

Female-led households 39.6%

Income support

Source	% of households
Social Security	43.5%
Retirement income	30.0%
Supplemental Security	7.8%
Cash public assistance	5.1%
Food stamps / SNAP	14.1%

Health indicators

Condition	%
High blood pressure	39.6%
High cholesterol	37.3%
Heart disease	7.7%
Stroke	3.8%
Asthma	9.6%
Arthritis	29.9%
Kidney disease	3.3%
Pulmonary disease	8.4%
Cancer	6.6%

Behavior / access	%
Binge drinking	14.3%
No physical activity	27.1%
Less than 7 hrs sleep	35.4%
Fair or poor health	19.5%
Poor mental health	14.9%
Poor physical health	11.8%
No health insurance	17.8%
Visited doctor (checkup)	75.4%
Visited dentist	53.6%
Cholesterol screening	88.5%
Teeth loss	16.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,100	8.9%

Disability	%
Any disability	19.3%
Under 18	7.7%
18–64 years	17.0%
65 and over	35.4%

Health insurance coverage

Type	%
Private insurance	60.7%
Public insurance	43.6%
Uninsured under 19	7.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	14,641	95.8%
Spanish	78	0.5%
Other Indo-European	10	0.1%
Asian & Pacific Islander	22	0.2%
Other languages	12	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	14,885	97.4%
Born in same state	14,748	96.5%
Born in different state	6,808	44.6%
Foreign born	137	0.9%
Naturalized citizen	396	2.6%
Not a US citizen	277	69.9%

Ancestry

Ancestry	Count	%
French	1,985	13%
Italian	1,888	12.4%
Arab	1,750	11.5%
German	87	0.6%

Ancestry	Count	%
English	85	0.6%
Polish	38	0.2%
Norwegian	6	0%

Technology access

Metric	% of households
Computer access	43.9%
Internet access	93.6%

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

Frequently asked questions

What ZIP codes does Bay Saint Louis, MS have?

Bay Saint Louis, MS has one ZIP code: 39520. Each ZIP code serves a distinct delivery area within the city and surrounding region.