Dauphin Island

County:: Mobile County
County Seat:: No
Area (mi²):: 6.256
State:: Alabama

Dauphin Island is a town located in Mobile County, Alabama. Dauphin Island has a 2025 population of 1,967. Dauphin Island is currently growing at a rate of 1.86% annually and its population has increased by 10.07% since the most recent census, which recorded a population of 1,787 in 2020.

The average household income in Dauphin Island is $108,745 with a poverty rate of 3.16%. The median age in Dauphin Island is 60.9 years: 58.5 years for males, and 63 years for females.

Demographics

The racial composition of Dauphin Island includes 91.82% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	1,785	91.82%
Two or more races	106	5.45%
Black or African American	44	2.26%
Native American	9	0.46%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Dauphin Island Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Dauphin Island's average per capita income is $61,771. Household income levels show a median of $64,615. The poverty rate stands at 3.16%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$88,833	-
Families	$85,577	$118,552
Households	$64,615	$108,745
Non Families	$57,829	$80,538

$61,771

Average Income

$64,615

Median Household Income

3.16%

Poverty Rate