Dauphin Island ZIP Codes — Mobile County, AL

There is one unique ZIP code in Dauphin Island, Alabama and it is 36528. Area code: 251.

ZIP codes

6.28

sq mi land

27.56

sq mi water

251

area code

Dauphin Island, AL ZIP code map

About Dauphin Island, AL

Dauphin Island is a picturesque town located in Mobile County, Alabama. Known for its stunning beaches and rich history, this small island offers a serene escape from the hustle and bustle of city life. With its unique charm and welcoming community, Dauphin Island is a hidden gem along the Gulf Coast.

Location & geography

Dauphin Island is situated on the Gulf of Mexico and encompasses a land area of 6.28 square miles, complemented by an impressive water area of 27.56 square miles. The island is accessible via a bridge from the mainland and is surrounded by several cities, including Mobile, which is about 30 miles to the northeast and Gulf Shores, approximately 40 miles to the east. Its coastal terrain features beautiful sandy beaches and natural parks, making it a prime location for outdoor activities.

Community & economy

The community of Dauphin Island embodies a relaxed, small-town atmosphere where residents and visitors alike enjoy the outdoor lifestyle. Fishing, tourism, and eco-tourism play vital roles in the local economy, with many businesses catering to families seeking relaxation and adventure. Daily life here often revolves around enjoying the beach, participating in local events, and exploring the cultural and historical sites on the island.

Transportation

Dauphin Island is primarily accessed via Alabama State Route 193, which connects to the mainland. The nearest major airport is Mobile Regional Airport, located about 40 miles away, providing essential air cargo and passenger services for the region. Public transportation options are limited, but the island is walkable and bike-friendly for residents and visitors.

History

Dauphin Island was founded in the early 18th century and has historically served as a critical port and military outpost. The island is notable for its role in the American Civil War and has a rich maritime history tied to fishing and shipping industries. Over the years, it has evolved into a popular tourist destination, showcasing its natural beauty and historical landmarks.

Did you know?

One surprising fact about Dauphin Island is that it is home to the historic Fort Gaines, which dates back to 1861 and played a key role in the Battle of Mobile Bay. Additionally, the island boasts the Dauphin Island Sea Lab, a center for marine research and education that draws in students and visitors interested in the coastal ecosystem.

ZIP codes for Dauphin Island, AL (1)

ZIP code	City	County	Map
36528	Dauphin Island	Mobile	View map

Demographics & statistics

1,793

Population

60.8

Median age

$62,000

Median household income

$51,256

Per capita income

$355,200

Median home value

$1,268

Median monthly rent

96.4%

Home ownership

3.4%

Poverty rate

15.2%

Unemployment

2,215

Housing units

40.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

109

35–44

101

112

45–54

103

55–59

155

60–64

144

215

65–74

198

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	119	6.6%
18 and over	1,674	93.4%
65 and over	643	35.9%
Median age	60.8 years

Race & ethnicity

White 89.1%

Two or more races 4.7%

Hispanic or Latino 3.4%

Black or African American 1.7%

American Indian / Alaska Native 0.6%

Other race 0.4%

Group	Count	%
White	1,655	89.1%
Two or more races	88	4.7%
Hispanic or Latino	64	3.4%
Black or African American	31	1.7%
American Indian / Alaska Native	12	0.6%
Other race	7	0.4%

Household income

Under $10k 1.7%

$10k–$15k 1.8%

$15k–$25k 0.6%

$25k–$35k 5.3%

$35k–$50k 18.8%

$50k–$75k 28.7%

$75k–$100k 9.1%

$100k–$150k 12.0%

$150k–$200k 9.1%

$200k+ 13.0%

Range	% of households
Under $10k	1.7%
$10k–$15k	1.8%
$15k–$25k	0.6%
$25k–$35k	5.3%
$35k–$50k	18.8%
$50k–$75k	28.7%
$75k–$100k	9.1%
$100k–$150k	12.0%
$150k–$200k	9.1%
$200k+	13.0%
Median income	$62,000

Housing

Home values

Under $50k 3.3%

$50k–$100k 0.4%

$100k–$150k 4.1%

$150k–$200k 7.2%

$200k–$300k 18.7%

$300k–$500k 44.3%

$500k–$1M 20.6%

$1M+ 1.4%

Housing overview

Metric	Value
Median home value	$355,200
Median rent / month	$1,268
Owner occupied	96.4%
Renter occupied	3.6%
Vacant	63.6%
Single-family detached	83.8%
Large apartment buildings	1.6%
Mobile homes	1.2%
Median rooms	5.4
Avg household size (owned)	2.16

Year built

Era	%
2020 or later	0.3%
2010–2019	12.8%
2000–2009	20.3%
1990–1999	25.2%
1980–1989	15.3%
1970–1979	15.5%
1960–1969	6.3%
1950–1959	4.4%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.2%
2 bedrooms	24.9%
3 bedrooms	52.3%
4 bedrooms	13.4%
5+ bedrooms	7.2%

Vehicles per household

Vehicles	% of households
No vehicle	0.9%
1 vehicle	30.5%
2 vehicles	38.8%
3 or more	29.8%

Heating fuel

Fuel type	%
Utility gas	2.6%
Electricity	92.4%
Propane / LP gas	4.7%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	546	66.9%
Cohabiting couple	11	1.3%
Male householder, no spouse	86	10.5%
Female householder, no spouse	173	21.2%
Households with children under 18	84	10.3%
Households with seniors (65+)	507	62.1%
Average household size	2.16

Marital status

Status	Male	Female
Never married	22.2%	13.5%
Married	65.8%	64.4%
Separated	0.3%	1.5%
Widowed	3.5%	14.0%
Divorced	8.2%	6.7%

Education

Less than 9th grade 0.5%

Some HS, no diploma 2.4%

HS graduate 18.4%

Some college, no degree 22.6%

Associate's degree 15.5%

Bachelor's degree 25.3%

Graduate / professional 15.2%

Metric	%
HS diploma or higher	97.0%
Bachelor's or higher	40.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	3	1.6%
Elementary school	58	30.4%
High school	31	16.2%
College / grad school	99	51.8%

Employment

Industry of employment

Education & healthcare 16.6%

Retail trade 13.9%

Professional & management 13.4%

Manufacturing 13.0%

Transportation & utilities 7.3%

Finance & real estate 7.0%

Construction 6.4%

Other services 5.8%

Public administration 5.5%

Arts, food & hospitality 4.0%

Wholesale trade 3.8%

Agriculture & mining 2.9%

Information 0.5%

Occupation

Category	%
Management, business & arts	43.1%
Service	6.4%
Sales & office	32.8%
Natural resources & construction	9.3%
Production & transportation	8.4%

Employment type

Type	%
Private sector	70.0%
Government	20.7%
Self-employed	9.0%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	76.4%
Carpool	9.1%
Public transit	0.0%
Walk	1.9%
Other means	4.8%
Avg commute (minutes)	31.4

Poverty

All people 3.4%

Under 18 years 0.0%

18 and over 3.6%

Married-couple families 1.6%

Female-led households 0.0%

Income support

Source	% of households
Social Security	61.0%
Retirement income	44.6%
Supplemental Security	4.2%
Cash public assistance	0.0%
Food stamps / SNAP	1.0%

Health indicators

Condition	%
High blood pressure	44.1%
High cholesterol	43.1%
Heart disease	9.7%
Stroke	4.1%
Asthma	9.2%
Arthritis	37.3%
Kidney disease	3.7%
Pulmonary disease	10.2%
Cancer	8.7%

Behavior / access	%
Binge drinking	14.4%
No physical activity	25.4%
Less than 7 hrs sleep	34.2%
Fair or poor health	19.2%
Poor mental health	14.3%
Poor physical health	13.1%
No health insurance	13.4%
Visited doctor (checkup)	76.5%
Visited dentist	64.9%
Cholesterol screening	93.1%
Teeth loss	15.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	256	15.3%

Disability	%
Any disability	15.6%
Under 18	0.0%
18–64 years	13.8%
65 and over	21.5%

Health insurance coverage

Type	%
Private insurance	75.7%
Public insurance	47.2%
Uninsured under 19	2.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,759	98.1%
Spanish	3	0.2%
Other Indo-European	3	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,786	99.6%
Born in same state	1,760	98.2%
Born in different state	769	42.9%
Foreign born	26	1.5%
Naturalized citizen	7	0.4%
Not a US citizen	2	28.6%

Ancestry

Ancestry	Count	%
French	407	22.7%
Arab	327	18.2%
Italian	229	12.8%

Ancestry	Count	%
German	23	1.3%
English	8	0.4%

Technology access

Metric	% of households
Computer access	45.5%
Internet access	95.8%

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

Frequently asked questions

What ZIP codes does Dauphin Island, AL have?

Dauphin Island, AL has one ZIP code: 36528. Each ZIP code serves a distinct delivery area within the city and surrounding region.