Allendale County's estimated 2026 population is 7,179 with a growth rate of -2.39% in the past year according to the most recent United States census data. Allendale County is the 46th largest county in South Carolina. The 2010 population was 10,354 and has seen a growth of -30.66% since that time.
Data after 2023 is projected based on recent change
Overall: 44.7 years
Female: 48 years
Male: 41.6 years
There are 6,265 adults, (1,719 of whom are seniors) in Allendale County.
Female: 3,519 (45.9%)
Male: 4,142 (54.1%)
The racial composition of Allendale County includes 66.32% Black or African American, 24.5% White, 4.09% Asian, and smaller percentages for Two or more races, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| Black or African American | 5,081 | 66.32% |
| White | 1,877 | 24.5% |
| Asian | 313 | 4.09% |
| Two or more races | 196 | 2.56% |
| Other race | 111 | 1.45% |
| Native American | 72 | 0.94% |
| Native Hawaiian or Pacific Islander | 11 | 0.14% |
Allendale County's average per capita income is $37,358. Household income levels show a median of $32,328. The poverty rate stands at 28.15%.
Name | Median | Mean |
|---|---|---|
| Married Families | $72,500 | - |
| Families | $52,132 | $81,351 |
| Households | $32,328 | $58,513 |
| Non Families | $19,657 | $28,255 |
Average Income
Median Household Income
Poverty Rate