| | Cumberland, KY | Ayden, NC | United States |
| Population | 2,276 | 4,991 | 329,725,481 |
| Female Population | 55.4% | 50.0% | 50.5% |
| Male Population | 44.6% | 50.0% | 49.5% |
| Median Age | 35.6 | 41.2 | 38.4 |
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| Population - 2010 | 2,188 | 5,013 | 309,327,143 |
| Population - 2000 | 2,611 | 4,622 | 285,036,114 |
| Population - 1990 | 3,112 | 4,740 | 251,960,433 |
| Pop. 2000 to Now | -29.0% | 11.6% | 15.6% |
| Pop. 1990 to Now | -40.4% | 8.8% | 30.8% |
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| Population Density | 730.7 | 1,299.1 | 93.4 |
| Land Area | 3.1 | 3.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Cumberland, KY | Ayden, NC | United States |
| Age 0 to 4 | 11.2% | 5.8% | 5.9% |
| Age 5 to 9 | 7.7% | 6.8% | 6.1% |
| Age 10 to 14 | 10.1% | 8.6% | 6.6% |
| Age 15 to 17 | 3.8% | 3.0% | 3.9% |
| Age 18 to 20 | 2.8% | 1.3% | 4.0% |
| Age 21 to 24 | 1.1% | 4.9% | 5.2% |
| Age 25 to 34 | 12.7% | 11.5% | 13.8% |
| Age 35 to 44 | 12.2% | 11.6% | 12.9% |
| Age 45 to 54 | 7.0% | 14.0% | 12.6% |
| Age 55 to 59 | 5.3% | 4.2% | 6.7% |
| Age 60 to 64 | 7.5% | 8.1% | 6.3% |
| Age 65 to 74 | 9.3% | 13.7% | 9.6% |
| Age 75 to 84 | 7.1% | 5.2% | 4.5% |
| Age 85 and over | 2.1% | 1.4% | 1.9% |
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| Race | | | |
| | Cumberland, KY | Ayden, NC | United States |
| White | 88.7% | 48.6% | 59.4% |
| Black | 0.8% | 40.9% | 12.2% |
| Asian | 0.1% | 1.6% | 5.6% |
| Native American | 0.0% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 9.6% | 0.0% | 3.2% |
| Hispanic | 0.8% | 8.5% | 18.4% |
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| Marriage & Family | | | |
| | Cumberland, KY | Ayden, NC | United States |
| Married Population | 43.7% | 55.5% | 49.8% |
| Currently Married | 40.8% | 51.0% | 48.0% |
| Married but Separated | 2.9% | 4.5% | 1.8% |
| Single Population | 56.3% | 44.5% | 50.2% |
| Never Married | 28.2% | 28.1% | 33.8% |
| Divorced | 17.9% | 8.4% | 10.8% |
| Widowed | 10.2% | 8.0% | 5.6% |
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| Household Size | 2.63 | 2.26 | 2.60 |
| Households | 837 | 2,171 | 124,010,992 |
| Family Households | 487 | 1,257 | 80,755,759 |
| Married couple, w/children | 31.8% | 29.4% | 30.5% |
| Married couple, no children | 31.4% | 46.1% | 42.9% |
| Non Family Households | 350 | 914 | 43,255,233 |
| Single householder, w/children | 24.4% | 18.9% | 15.8% |
| Single householder, no children | 12.3% | 5.6% | 10.8% |