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, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	1,116	96.04%
Two or more races	26	2.24%
Asian	20	1.72%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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