Dauphin Island Flag

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.

2K
Total Population
314
Density (mi²)
36 1.86%
Growth

Dauphin Island Population

Dauphin Island Population

Data after 2023 is projected based on recent change

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)
White1,78591.82%
Two or more races1065.45%
Black or African American442.26%
Native American90.46%

Dauphin Island Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)