McCormick County's estimated 2026 population is 10,453 with a growth rate of 2.33% in the past year according to the most recent United States census data. McCormick County is the 45th largest county in South Carolina. The 2010 population was 10,210 and has seen a growth of 2.38% since that time.
Data after 2023 is projected based on recent change
Overall: 59.5 years
Female: 62.4 years
Male: 56.8 years
There are 8,768 adults, (3,852 of whom are seniors) in McCormick County.
Female: 4,583 (47%)
Male: 5,177 (53%)
The racial composition of McCormick County includes 56.12% White, 40.09% Black or African American, and smaller percentages for Two or more races, other race, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,477 | 56.12% |
| Black or African American | 3,913 | 40.09% |
| Two or more races | 276 | 2.83% |
| Other race | 64 | 0.66% |
| Asian | 16 | 0.16% |
| Native Hawaiian or Pacific Islander | 10 | 0.1% |
| Native American | 4 | 0.04% |
McCormick County's average per capita income is $41,477. Household income levels show a median of $55,798. The poverty rate stands at 17.61%.
Name | Median | Mean |
|---|---|---|
| Married Families | $85,673 | - |
| Families | $79,438 | $90,656 |
| Households | $55,798 | $73,480 |
| Non Families | $36,424 | $40,652 |
Average Income
Median Household Income
Poverty Rate