| | Cumberland Gap, TN | Kanab, UT | United States |
| Population | 337 | 4,692 | 329,725,481 |
| Female Population | 63.8% | 49.2% | 50.5% |
| Male Population | 36.2% | 50.8% | 49.5% |
| Median Age | 25.9 | 43.3 | 38.4 |
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| Population - 2010 | 494 | 4,413 | 309,327,143 |
| Population - 2000 | 204 | 3,564 | 285,036,114 |
| Population - 1990 | 210 | 3,289 | 251,960,433 |
| Pop. 2000 to Now | 138.7% | 39.8% | 15.6% |
| Pop. 1990 to Now | 131.9% | 51.5% | 30.8% |
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| Population Density | 1,024.3 | 325.0 | 93.4 |
| Land Area | 0.3 | 14.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Cumberland Gap, TN | Kanab, UT | United States |
| Age 0 to 4 | 1.2% | 4.4% | 5.9% |
| Age 5 to 9 | 3.0% | 2.8% | 6.1% |
| Age 10 to 14 | 0.6% | 6.5% | 6.6% |
| Age 15 to 17 | 0.9% | 4.6% | 3.9% |
| Age 18 to 20 | 18.4% | 1.9% | 4.0% |
| Age 21 to 24 | 22.8% | 4.8% | 5.2% |
| Age 25 to 34 | 12.8% | 14.6% | 13.8% |
| Age 35 to 44 | 7.7% | 12.6% | 12.9% |
| Age 45 to 54 | 10.1% | 10.0% | 12.6% |
| Age 55 to 59 | 2.4% | 7.7% | 6.7% |
| Age 60 to 64 | 1.8% | 9.2% | 6.3% |
| Age 65 to 74 | 11.6% | 12.5% | 9.6% |
| Age 75 to 84 | 5.3% | 6.8% | 4.5% |
| Age 85 and over | 1.5% | 1.5% | 1.9% |
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| Race | | | |
| | Cumberland Gap, TN | Kanab, UT | United States |
| White | 91.4% | 91.8% | 59.4% |
| Black | 1.2% | 0.3% | 12.2% |
| Asian | 3.3% | 0.7% | 5.6% |
| Native American | 0.0% | 2.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.5% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.7% | 0.5% | 3.2% |
| Hispanic | 1.5% | 3.6% | 18.4% |
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| Marriage & Family | | | |
| | Cumberland Gap, TN | Kanab, UT | United States |
| Married Population | 32.7% | 50.4% | 49.8% |
| Currently Married | 32.1% | 48.3% | 48.0% |
| Married but Separated | 0.6% | 2.1% | 1.8% |
| Single Population | 67.3% | 49.6% | 50.2% |
| Never Married | 59.2% | 26.4% | 33.8% |
| Divorced | 4.7% | 16.7% | 10.8% |
| Widowed | 3.4% | 6.5% | 5.6% |
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| Household Size | 2.04 | 2.40 | 2.60 |
| Households | 110 | 1,877 | 124,010,992 |
| Family Households | 54 | 1,147 | 80,755,759 |
| Married couple, w/children | 25.9% | 26.9% | 30.5% |
| Married couple, no children | 61.1% | 57.0% | 42.9% |
| Non Family Households | 56 | 730 | 43,255,233 |
| Single householder, w/children | 9.3% | 11.3% | 15.8% |
| Single householder, no children | 3.7% | 4.8% | 10.8% |