Whitemarsh Island

County:: Chatham County
County Seat:: No
Area (mi²):: 5.815
State:: Georgia

Whitemarsh Island is a CDP located in Chatham County, Georgia. Whitemarsh Island has a 2025 population of 6,789. Whitemarsh Island is currently declining at a rate of -0.01% annually and its population has decreased by -6.54% since the most recent census, which recorded a population of 7,264 in 2020.

The average household income in Whitemarsh Island is $165,488 with a poverty rate of 3.96%.The median age in Whitemarsh Island is 40.1 years: 37.7 years for males, and 41.5 years for females.

Demographics

The racial composition of Whitemarsh Island includes 81.53% White, 5.33% Black or African American, 3.35% Asian, and smaller percentages for other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	5,640	81.53%
Two or more races	632	9.14%
Black or African American	369	5.33%
Asian	232	3.35%
Other race	45	0.65%

Whitemarsh Island Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Whitemarsh Island's average per capita income is $61,804. Household income levels show a median of $113,250. The poverty rate stands at 3.96%.

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	$141,034	-
Families	$131,648	$198,044
Households	$113,250	$165,488
Non Families	$69,500	$84,156

$61,804

Average Income

$113,250

Median Household Income

3.96%

Poverty Rate