Cobb Island

County:: Charles County
County Seat:: No
Area (mi²):: 0.626
State:: Maryland

Cobb Island is a CDP located in Charles County, Maryland. Cobb Island has a 2025 population of 1,331. Cobb Island is currently growing at a rate of 0.83% annually and its population has increased by 18.95% since the most recent census, which recorded a population of 1,119 in 2020.

The average household income in Cobb Island is $136,996 with a poverty rate of 1.81%.The median age in Cobb Island is 45.7 years: 45.3 years for males, and 46.4 years for females.

Demographics

The racial composition of Cobb Island includes 96.04% White, and smaller percentages for Two or more races, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,116	96.04%
Two or more races	26	2.24%
Asian	20	1.72%

Cobb Island Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Cobb Island's average per capita income is $62,692. Household income levels show a median of $161,141. The poverty rate stands at 1.81%.

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
Families	$162,283	$136,633
Married Families	$162,283	-
Households	$161,141	$136,996
Non Families	-	-

$62,692

Average Income

$161,141

Median Household Income

1.81%

Poverty Rate