Buffalo is a CDP located in Union County, South Carolina. Buffalo has a 2025 population of 1,132 . Buffalo is currently declining at a rate of -0.79% annually but its population has increased by 10.98% since the most recent census, which recorded a population of 1,020 in 2020.
The average household income in Buffalo is $39,047 with a poverty rate of 43.59%. The median age in Buffalo is 28 years: 25.5 years for males, and 30.3 years for females. For every 100 females there are 125.2 males.
Data after 2023 is projected based on recent change
The racial composition of Buffalo includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,232 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Buffalo's average per capita income is $27,813. Household income levels show a median of $21,831. The poverty rate stands at 43.59%.
Name | Median | Mean |
|---|---|---|
| Married Families | $88,281 | - |
| Households | $21,831 | $39,047 |
| Non Families | $21,356 | $24,028 |
| Families | - | $49,019 |
Average Income
Median Household Income
Poverty Rate