| | Belmont, NC | Steubenville, OH | United States |
| Population | 14,442 | 18,122 | 329,725,481 |
| Female Population | 54.4% | 52.0% | 50.5% |
| Male Population | 45.6% | 48.0% | 49.5% |
| Median Age | 35.7 | 38.3 | 38.4 |
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| Population - 2010 | 10,230 | 18,662 | 309,327,143 |
| Population - 2000 | 8,705 | 19,015 | 285,036,114 |
| Population - 1990 | 8,434 | 22,125 | 251,960,433 |
| Pop. 2000 to Now | 45.0% | -7.5% | 15.6% |
| Pop. 1990 to Now | 49.7% | -20.5% | 30.8% |
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| Population Density | 1,202.2 | 1,719.8 | 93.4 |
| Land Area | 12.0 | 10.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Belmont, NC | Steubenville, OH | United States |
| Age 0 to 4 | 6.4% | 5.1% | 5.9% |
| Age 5 to 9 | 7.8% | 4.0% | 6.1% |
| Age 10 to 14 | 7.5% | 5.6% | 6.6% |
| Age 15 to 17 | 3.9% | 3.1% | 3.9% |
| Age 18 to 20 | 5.5% | 9.2% | 4.0% |
| Age 21 to 24 | 3.5% | 7.4% | 5.2% |
| Age 25 to 34 | 14.9% | 11.9% | 13.8% |
| Age 35 to 44 | 11.8% | 10.9% | 12.9% |
| Age 45 to 54 | 14.4% | 11.5% | 12.6% |
| Age 55 to 59 | 6.8% | 5.4% | 6.7% |
| Age 60 to 64 | 4.0% | 6.7% | 6.3% |
| Age 65 to 74 | 8.7% | 11.7% | 9.6% |
| Age 75 to 84 | 3.8% | 5.2% | 4.5% |
| Age 85 and over | 1.2% | 2.5% | 1.9% |
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| Race | | | |
| | Belmont, NC | Steubenville, OH | United States |
| White | 78.2% | 74.8% | 59.4% |
| Black | 10.2% | 14.1% | 12.2% |
| Asian | 3.2% | 1.7% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.5% | 0.4% |
| Two or More Races | 4.9% | 4.7% | 3.2% |
| Hispanic | 3.0% | 4.1% | 18.4% |
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| Marriage & Family | | | |
| | Belmont, NC | Steubenville, OH | United States |
| Married Population | 48.3% | 36.1% | 49.8% |
| Currently Married | 43.7% | 34.8% | 48.0% |
| Married but Separated | 4.6% | 1.2% | 1.8% |
| Single Population | 51.7% | 63.9% | 50.2% |
| Never Married | 33.9% | 44.3% | 33.8% |
| Divorced | 13.3% | 12.7% | 10.8% |
| Widowed | 4.5% | 6.9% | 5.6% |
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| Household Size | 2.48 | 2.24 | 2.60 |
| Households | 5,523 | 7,231 | 124,010,992 |
| Family Households | 3,310 | 3,668 | 80,755,759 |
| Married couple, w/children | 31.8% | 24.9% | 30.5% |
| Married couple, no children | 39.4% | 43.6% | 42.9% |
| Non Family Households | 2,213 | 3,563 | 43,255,233 |
| Single householder, w/children | 23.0% | 19.2% | 15.8% |
| Single householder, no children | 5.9% | 12.2% | 10.8% |