Colleton County's estimated 2026 population is 39,335 with a growth rate of -0.12% in the past year according to the most recent United States census data. Colleton County is the 28th largest county in South Carolina. The 2010 population was 38,886 and has seen a growth of 1.15% since that time.
Data after 2023 is projected based on recent change
Overall: 42 years
Female: 42.9 years
Male: 40.2 years
There are 29,991 adults, (7,929 of whom are seniors) in Colleton County.
Female: 20,325 (52.4%)
Male: 18,458 (47.6%)
The racial composition of Colleton County includes 57.31% White, 33.76% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 22,225 | 57.31% |
| Black or African American | 13,094 | 33.76% |
| Two or more races | 2,336 | 6.02% |
| Other race | 809 | 2.09% |
| Asian | 172 | 0.44% |
| Native American | 126 | 0.32% |
| Native Hawaiian or Pacific Islander | 21 | 0.05% |
Colleton County's average per capita income is $41,727. Household income levels show a median of $51,114. The poverty rate stands at 19.58%.
Name | Median | Mean |
|---|---|---|
| Married Families | $83,968 | - |
| Families | $64,184 | $82,261 |
| Households | $51,114 | $70,687 |
| Non Families | $32,025 | $44,935 |
Average Income
Median Household Income
Poverty Rate