| | Gadsden, SC | Follansbee, WV | United States |
| Population | 919 | 2,842 | 329,725,481 |
| Female Population | 63.7% | 46.8% | 50.5% |
| Male Population | 36.3% | 53.2% | 49.5% |
| Median Age | 38.8 | 48.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,079 | 2,973 | 309,327,143 |
| Population - 2000 | 1,697 | 3,115 | 285,036,114 |
| Population - 1990 | 1,534 | 3,339 | 251,960,433 |
| Pop. 2000 to Now | 3.7% | -14.3% | 15.6% |
| Pop. 1990 to Now | 14.7% | -20.1% | 30.8% |
| space4 | | | |
| Population Density | 79.9 | 1,542.1 | 93.4 |
| Land Area | 11.5 | 1.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Gadsden, SC | Follansbee, WV | United States |
| Age 0 to 4 | 4.8% | 4.8% | 5.9% |
| Age 5 to 9 | 0.0% | 4.6% | 6.1% |
| Age 10 to 14 | 5.8% | 3.6% | 6.6% |
| Age 15 to 17 | 0.0% | 4.9% | 3.9% |
| Age 18 to 20 | 0.0% | 2.3% | 4.0% |
| Age 21 to 24 | 0.0% | 6.6% | 5.2% |
| Age 25 to 34 | 20.7% | 10.2% | 13.8% |
| Age 35 to 44 | 20.0% | 10.9% | 12.9% |
| Age 45 to 54 | 7.7% | 9.5% | 12.6% |
| Age 55 to 59 | 14.7% | 9.1% | 6.7% |
| Age 60 to 64 | 8.9% | 14.1% | 6.3% |
| Age 65 to 74 | 11.0% | 10.2% | 9.6% |
| Age 75 to 84 | 6.4% | 7.8% | 4.5% |
| Age 85 and over | 0.0% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Gadsden, SC | Follansbee, WV | United States |
| White | 27.5% | 97.1% | 59.4% |
| Black | 71.4% | 0.0% | 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 | 1.1% | 1.9% | 3.2% |
| Hispanic | 0.0% | 1.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Gadsden, SC | Follansbee, WV | United States |
| Married Population | 49.3% | 42.4% | 49.8% |
| Currently Married | 44.0% | 39.8% | 48.0% |
| Married but Separated | 5.2% | 2.5% | 1.8% |
| Single Population | 50.7% | 57.6% | 50.2% |
| Never Married | 27.4% | 28.5% | 33.8% |
| Divorced | 12.8% | 19.6% | 10.8% |
| Widowed | 10.6% | 9.5% | 5.6% |
| space5 | | | |
| Household Size | 2.73 | 2.04 | 2.60 |
| Households | 337 | 1,394 | 124,010,992 |
| Family Households | 294 | 683 | 80,755,759 |
| Married couple, w/children | 17.3% | 18.0% | 30.5% |
| Married couple, no children | 19.0% | 47.7% | 42.9% |
| Non Family Households | 43 | 711 | 43,255,233 |
| Single householder, w/children | 14.6% | 20.5% | 15.8% |
| Single householder, no children | 49.0% | 13.8% | 10.8% |