James Island

County:: Charleston County
County Seat:: No
Area (mi²):: 4.744
State:: South Carolina

James Island is a town located in Charleston County, South Carolina. James Island has a 2025 population of 12,066. James Island is currently growing at a rate of 0.68% annually and its population has increased by 3.5% since the most recent census, which recorded a population of 11,658 in 2020.

The average household income in James Island is $117,438 with a poverty rate of 5.39%.The median age in James Island is 41.3 years: 41.1 years for males, and 41.8 years for females.

Demographics

The racial composition of James Island includes 83.37% White, 12.15% Black or African American, and smaller percentages for Two or more races, other race, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	9,786	83.37%
Black or African American	1,426	12.15%
Two or more races	336	2.86%
Other race	156	1.33%
Asian	34	0.29%

James Island Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

James Island's average per capita income is $60,338. Household income levels show a median of $100,176. The poverty rate stands at 5.39%.

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	$114,653	-
Families	$111,888	$133,489
Households	$100,176	$117,438
Non Families	$64,306	$68,917

$60,338

Average Income

$100,176

Median Household Income

5.39%

Poverty Rate