| | Cowpens, SC | Calhoun Falls, SC | United States |
| Population | 1,990 | 1,878 | 329,725,481 |
| Female Population | 52.0% | 53.0% | 50.5% |
| Male Population | 48.0% | 47.0% | 49.5% |
| Median Age | 46.7 | 47.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,156 | 1,987 | 309,327,143 |
| Population - 2000 | 2,279 | 2,303 | 285,036,114 |
| Population - 1990 | 2,176 | 2,328 | 251,960,433 |
| Pop. 2000 to Now | 8.2% | -18.2% | 15.6% |
| Pop. 1990 to Now | 13.3% | -19.1% | 30.8% |
| space4 | | | |
| Population Density | 843.9 | 554.5 | 93.4 |
| Land Area | 2.4 | 3.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Cowpens, SC | Calhoun Falls, SC | United States |
| Age 0 to 4 | 3.9% | 8.0% | 5.9% |
| Age 5 to 9 | 5.6% | 3.5% | 6.1% |
| Age 10 to 14 | 4.9% | 3.9% | 6.6% |
| Age 15 to 17 | 1.2% | 1.7% | 3.9% |
| Age 18 to 20 | 4.6% | 15.0% | 4.0% |
| Age 21 to 24 | 4.9% | 3.0% | 5.2% |
| Age 25 to 34 | 13.8% | 6.5% | 13.8% |
| Age 35 to 44 | 9.1% | 7.4% | 12.9% |
| Age 45 to 54 | 12.2% | 15.5% | 12.6% |
| Age 55 to 59 | 5.6% | 8.7% | 6.7% |
| Age 60 to 64 | 9.2% | 9.4% | 6.3% |
| Age 65 to 74 | 21.4% | 11.7% | 9.6% |
| Age 75 to 84 | 3.1% | 3.9% | 4.5% |
| Age 85 and over | 0.7% | 1.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Cowpens, SC | Calhoun Falls, SC | United States |
| White | 80.8% | 36.3% | 59.4% |
| Black | 12.7% | 60.7% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.0% | 1.2% | 3.2% |
| Hispanic | 4.6% | 1.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Cowpens, SC | Calhoun Falls, SC | United States |
| Married Population | 58.8% | 27.8% | 49.8% |
| Currently Married | 57.5% | 25.9% | 48.0% |
| Married but Separated | 1.3% | 1.9% | 1.8% |
| Single Population | 41.2% | 72.2% | 50.2% |
| Never Married | 24.5% | 45.0% | 33.8% |
| Divorced | 11.7% | 15.7% | 10.8% |
| Widowed | 4.9% | 11.5% | 5.6% |
| space5 | | | |
| Household Size | 2.30 | 2.47 | 2.60 |
| Households | 843 | 760 | 124,010,992 |
| Family Households | 612 | 403 | 80,755,759 |
| Married couple, w/children | 8.2% | 14.6% | 30.5% |
| Married couple, no children | 63.7% | 31.3% | 42.9% |
| Non Family Households | 231 | 357 | 43,255,233 |
| Single householder, w/children | 20.9% | 16.1% | 15.8% |
| Single householder, no children | 7.2% | 38.0% | 10.8% |