Cobb Island Flag

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. For every 100 females there are 92.4 males.

1.3K
Total Population
2,127
Density (mi²)
11 0.83%
Growth

Cobb Island Population

Cobb Island Population

Data after 2023 is projected based on recent change

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

White (96.04%)

Two or more races (2.24%)

Asian (1.72%)

Race
Population
Percentage (of total)
White1,11696.04%
Two or more races262.24%
Asian201.72%

Cobb Island Marital Status

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

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

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)