| | Elkhorn City, KY | Greenup, KY | United States |
| Population | 1,173 | 1,291 | 329,725,481 |
| Female Population | 52.0% | 54.8% | 50.5% |
| Male Population | 48.0% | 45.2% | 49.5% |
| Median Age | 35.5 | 47.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 998 | 1,187 | 309,327,143 |
| Population - 2000 | 1,060 | 1,198 | 285,036,114 |
| Population - 1990 | 813 | 1,158 | 251,960,433 |
| Pop. 2000 to Now | -17.6% | -8.2% | 15.6% |
| Pop. 1990 to Now | 7.5% | -5.0% | 30.8% |
| space4 | | | |
| Population Density | 151.9 | 1,597.8 | 93.4 |
| Land Area | 7.7 | 0.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Elkhorn City, KY | Greenup, KY | United States |
| Age 0 to 4 | 8.0% | 3.4% | 5.9% |
| Age 5 to 9 | 12.4% | 1.2% | 6.1% |
| Age 10 to 14 | 0.9% | 3.1% | 6.6% |
| Age 15 to 17 | 0.0% | 5.0% | 3.9% |
| Age 18 to 20 | 4.8% | 5.5% | 4.0% |
| Age 21 to 24 | 3.3% | 6.4% | 5.2% |
| Age 25 to 34 | 19.4% | 13.3% | 13.8% |
| Age 35 to 44 | 10.1% | 10.5% | 12.9% |
| Age 45 to 54 | 9.1% | 16.7% | 12.6% |
| Age 55 to 59 | 5.1% | 5.3% | 6.7% |
| Age 60 to 64 | 5.5% | 5.2% | 6.3% |
| Age 65 to 74 | 10.9% | 15.5% | 9.6% |
| Age 75 to 84 | 8.3% | 7.4% | 4.5% |
| Age 85 and over | 2.2% | 1.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Elkhorn City, KY | Greenup, KY | United States |
| White | 84.7% | 83.0% | 59.4% |
| Black | 12.1% | 6.6% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 1.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.8% | 1.4% | 3.2% |
| Hispanic | 0.3% | 8.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Elkhorn City, KY | Greenup, KY | United States |
| Married Population | 47.6% | 46.1% | 49.8% |
| Currently Married | 45.2% | 42.3% | 48.0% |
| Married but Separated | 2.4% | 3.9% | 1.8% |
| Single Population | 52.4% | 53.9% | 50.2% |
| Never Married | 31.5% | 29.9% | 33.8% |
| Divorced | 10.2% | 17.1% | 10.8% |
| Widowed | 10.7% | 6.9% | 5.6% |
| space5 | | | |
| Household Size | 3.05 | 2.34 | 2.60 |
| Households | 356 | 504 | 124,010,992 |
| Family Households | 257 | 334 | 80,755,759 |
| Married couple, w/children | 16.7% | 20.4% | 30.5% |
| Married couple, no children | 49.8% | 53.6% | 42.9% |
| Non Family Households | 99 | 170 | 43,255,233 |
| Single householder, w/children | 23.7% | 5.7% | 15.8% |
| Single householder, no children | 9.7% | 20.4% | 10.8% |