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 and multiracial populations.

Population by 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%

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