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, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

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