| | Belmont, OH | Loris, SC | United States |
| Population | 381 | 2,473 | 329,725,481 |
| Female Population | 49.1% | 56.8% | 50.5% |
| Male Population | 50.9% | 43.2% | 49.5% |
| Median Age | 50.3 | 44.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 452 | 2,367 | 309,327,143 |
| Population - 2000 | 532 | 2,079 | 285,036,114 |
| Population - 1990 | 471 | 2,067 | 251,960,433 |
| Pop. 2000 to Now | -19.4% | 35.0% | 15.6% |
| Pop. 1990 to Now | -8.9% | 35.8% | 30.8% |
| space4 | | | |
| Population Density | 1,432.3 | 543.8 | 93.4 |
| Land Area | 0.3 | 4.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Belmont, OH | Loris, SC | United States |
| Age 0 to 4 | 2.4% | 5.7% | 5.9% |
| Age 5 to 9 | 6.8% | 4.2% | 6.1% |
| Age 10 to 14 | 4.7% | 8.4% | 6.6% |
| Age 15 to 17 | 2.4% | 4.9% | 3.9% |
| Age 18 to 20 | 0.3% | 0.8% | 4.0% |
| Age 21 to 24 | 12.6% | 2.2% | 5.2% |
| Age 25 to 34 | 8.1% | 9.7% | 13.8% |
| Age 35 to 44 | 8.7% | 14.9% | 12.9% |
| Age 45 to 54 | 8.1% | 9.3% | 12.6% |
| Age 55 to 59 | 15.0% | 11.2% | 6.7% |
| Age 60 to 64 | 9.7% | 5.1% | 6.3% |
| Age 65 to 74 | 16.8% | 17.0% | 9.6% |
| Age 75 to 84 | 4.5% | 3.2% | 4.5% |
| Age 85 and over | 0.0% | 3.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Belmont, OH | Loris, SC | United States |
| White | 97.1% | 58.5% | 59.4% |
| Black | 0.3% | 38.5% | 12.2% |
| Asian | 0.0% | 0.2% | 5.6% |
| Native American | 1.3% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.3% | 1.6% | 3.2% |
| Hispanic | 0.0% | 0.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Belmont, OH | Loris, SC | United States |
| Married Population | 51.8% | 37.2% | 49.8% |
| Currently Married | 46.6% | 30.7% | 48.0% |
| Married but Separated | 5.2% | 6.5% | 1.8% |
| Single Population | 48.2% | 62.8% | 50.2% |
| Never Married | 30.8% | 38.2% | 33.8% |
| Divorced | 12.2% | 14.6% | 10.8% |
| Widowed | 5.2% | 9.9% | 5.6% |
| space5 | | | |
| Household Size | 2.65 | 2.13 | 2.60 |
| Households | 140 | 1,120 | 124,010,992 |
| Family Households | 110 | 648 | 80,755,759 |
| Married couple, w/children | 14.5% | 14.2% | 30.5% |
| Married couple, no children | 55.5% | 30.4% | 42.9% |
| Non Family Households | 30 | 472 | 43,255,233 |
| Single householder, w/children | 20.0% | 41.5% | 15.8% |
| Single householder, no children | 10.0% | 13.9% | 10.8% |