| | Charleston, SC | Minot, ND | United States |
| Population | 147,928 | 48,005 | 329,725,481 |
| Female Population | 52.6% | 48.2% | 50.5% |
| Male Population | 47.5% | 51.8% | 49.5% |
| Median Age | 35.5 | 32.5 | 38.4 |
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| Population - 2010 | 120,760 | 41,446 | 309,327,143 |
| Population - 2000 | 96,650 | 36,567 | 285,036,114 |
| Population - 1990 | 80,414 | 34,544 | 251,960,433 |
| Pop. 2000 to Now | 44.6% | 29.7% | 15.6% |
| Pop. 1990 to Now | 73.7% | 37.3% | 30.8% |
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| Population Density | 1,337.8 | 1,762.4 | 93.4 |
| Land Area | 110.6 | 27.2 | 3,531,905.4 |
| Water Area | 20.3 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Charleston, SC | Minot, ND | United States |
| Age 0 to 4 | 5.8% | 6.7% | 5.9% |
| Age 5 to 9 | 4.9% | 5.6% | 6.1% |
| Age 10 to 14 | 3.7% | 5.6% | 6.6% |
| Age 15 to 17 | 2.5% | 3.2% | 3.9% |
| Age 18 to 20 | 5.2% | 5.4% | 4.0% |
| Age 21 to 24 | 6.9% | 8.0% | 5.2% |
| Age 25 to 34 | 20.2% | 19.8% | 13.8% |
| Age 35 to 44 | 12.9% | 12.8% | 12.9% |
| Age 45 to 54 | 10.7% | 8.9% | 12.6% |
| Age 55 to 59 | 6.3% | 5.8% | 6.7% |
| Age 60 to 64 | 5.7% | 4.6% | 6.3% |
| Age 65 to 74 | 9.2% | 7.4% | 9.6% |
| Age 75 to 84 | 4.0% | 3.7% | 4.5% |
| Age 85 and over | 2.0% | 2.3% | 1.9% |
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| Race | | | |
| | Charleston, SC | Minot, ND | United States |
| White | 71.7% | 79.3% | 59.4% |
| Black | 19.6% | 4.5% | 12.2% |
| Asian | 1.8% | 2.0% | 5.6% |
| Native American | 0.0% | 2.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.3% | 0.2% |
| Other | 0.4% | 0.0% | 0.4% |
| Two or More Races | 2.0% | 4.7% | 3.2% |
| Hispanic | 4.2% | 7.1% | 18.4% |
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| Marriage & Family | | | |
| | Charleston, SC | Minot, ND | United States |
| Married Population | 44.9% | 48.3% | 49.8% |
| Currently Married | 43.3% | 47.0% | 48.0% |
| Married but Separated | 1.6% | 1.3% | 1.8% |
| Single Population | 55.1% | 51.7% | 50.2% |
| Never Married | 40.3% | 36.7% | 33.8% |
| Divorced | 9.8% | 10.2% | 10.8% |
| Widowed | 5.1% | 4.7% | 5.6% |
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| Household Size | 2.23 | 2.24 | 2.60 |
| Households | 63,760 | 20,875 | 124,010,992 |
| Family Households | 33,199 | 11,393 | 80,755,759 |
| Married couple, w/children | 29.0% | 33.9% | 30.5% |
| Married couple, no children | 49.2% | 43.3% | 42.9% |
| Non Family Households | 30,561 | 9,482 | 43,255,233 |
| Single householder, w/children | 11.5% | 14.4% | 15.8% |
| Single householder, no children | 10.4% | 8.4% | 10.8% |