| | Pelzer, SC | Red Oak, TX | United States |
| Population | 1,335 | 13,956 | 329,725,481 |
| Female Population | 55.9% | 50.8% | 50.5% |
| Male Population | 44.1% | 49.2% | 49.5% |
| Median Age | 48.4 | 36 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,292 | 10,774 | 309,327,143 |
| Population - 2000 | 97 | 4,301 | 285,036,114 |
| Population - 1990 | 81 | 3,124 | 251,960,433 |
| Pop. 2000 to Now | 1,356.7% | 227.8% | 15.6% |
| Pop. 1990 to Now | 1,644.4% | 351.3% | 30.8% |
| space4 | | | |
| Population Density | 1,460.6 | 918.6 | 93.4 |
| Land Area | 0.9 | 15.2 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Pelzer, SC | Red Oak, TX | United States |
| Age 0 to 4 | 1.3% | 5.3% | 5.9% |
| Age 5 to 9 | 8.5% | 9.9% | 6.1% |
| Age 10 to 14 | 8.7% | 9.3% | 6.6% |
| Age 15 to 17 | 3.1% | 5.7% | 3.9% |
| Age 18 to 20 | 3.1% | 3.8% | 4.0% |
| Age 21 to 24 | 1.8% | 3.4% | 5.2% |
| Age 25 to 34 | 8.8% | 10.9% | 13.8% |
| Age 35 to 44 | 10.1% | 16.1% | 12.9% |
| Age 45 to 54 | 13.6% | 18.0% | 12.6% |
| Age 55 to 59 | 7.0% | 4.6% | 6.7% |
| Age 60 to 64 | 4.8% | 3.7% | 6.3% |
| Age 65 to 74 | 21.9% | 5.3% | 9.6% |
| Age 75 to 84 | 6.9% | 3.4% | 4.5% |
| Age 85 and over | 0.4% | 0.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Pelzer, SC | Red Oak, TX | United States |
| White | 89.4% | 39.1% | 59.4% |
| Black | 1.3% | 32.4% | 12.2% |
| Asian | 0.0% | 2.2% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.5% | 0.4% |
| Two or More Races | 2.2% | 4.8% | 3.2% |
| Hispanic | 7.0% | 20.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Pelzer, SC | Red Oak, TX | United States |
| Married Population | 45.1% | 55.2% | 49.8% |
| Currently Married | 43.1% | 53.5% | 48.0% |
| Married but Separated | 2.0% | 1.7% | 1.8% |
| Single Population | 54.9% | 44.8% | 50.2% |
| Never Married | 21.5% | 30.3% | 33.8% |
| Divorced | 28.0% | 11.6% | 10.8% |
| Widowed | 5.3% | 2.9% | 5.6% |
| space5 | | | |
| Household Size | 2.07 | 3.11 | 2.60 |
| Households | 645 | 4,443 | 124,010,992 |
| Family Households | 322 | 3,596 | 80,755,759 |
| Married couple, w/children | 23.3% | 44.6% | 30.5% |
| Married couple, no children | 44.7% | 31.3% | 42.9% |
| Non Family Households | 323 | 847 | 43,255,233 |
| Single householder, w/children | 15.5% | 17.2% | 15.8% |
| Single householder, no children | 16.5% | 7.0% | 10.8% |