James Island is a town located in Charleston County, South Carolina. James Island has a 2026 population of 12,666. James Island is currently growing at a rate of 0.86% annually and its population has increased by 5.37% since the most recent census, which recorded a population of 12,020 in 2020.
The median household income in James Island is $104,217 with a poverty rate of 5.59%. The median age in James Island is 41.7 years: 41.5 years for males, and 42 years for females. For every 100 females there are 96.2 males.
Data after 2023 is projected based on recent change
Overall: 41.7 years
Female: 42 years
Male: 41.5 years
There are 9,589 adults, (2,168 of whom are seniors) in James Island.
Female: 6,218 (51%)
Male: 5,980 (49%)
The racial composition of James Island includes 81.62% White, 12.66% Black or African American, and smaller percentages for other race, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 9,956 | 81.62% |
| Black or African American | 1,544 | 12.66% |
| Two or more races | 460 | 3.77% |
| Other race | 159 | 1.3% |
| Asian | 79 | 0.65% |
James Island 's average per capita income is $63,630. Household income levels show a median of $104,217. The poverty rate stands at 5.59%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $119,312 | - |
| Families | $117,277 | $156,167 |
| Households | $104,217 | $135,015 |
| Non Families | $63,750 | $72,508 |
Average Income
Median Household Income
Poverty Rate