| | Russell Springs, KY | Elizabethtown, KY | United States |
| Population | 2,657 | 31,066 | 329,725,481 |
| Female Population | 49.6% | 52.2% | 50.5% |
| Male Population | 50.4% | 47.8% | 49.5% |
| Median Age | 41.6 | 36.5 | 38.4 |
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| Population - 2010 | 2,439 | 28,426 | 309,327,143 |
| Population - 2000 | 2,399 | 22,542 | 285,036,114 |
| Population - 1990 | 2,363 | 18,167 | 251,960,433 |
| Pop. 2000 to Now | 10.4% | 34.6% | 15.6% |
| Pop. 1990 to Now | 12.1% | 67.0% | 30.8% |
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| Population Density | 567.5 | 1,165.3 | 93.4 |
| Land Area | 4.7 | 26.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Russell Springs, KY | Elizabethtown, KY | United States |
| Age 0 to 4 | 2.4% | 6.0% | 5.9% |
| Age 5 to 9 | 3.2% | 7.0% | 6.1% |
| Age 10 to 14 | 5.8% | 7.9% | 6.6% |
| Age 15 to 17 | 4.8% | 4.2% | 3.9% |
| Age 18 to 20 | 13.1% | 3.0% | 4.0% |
| Age 21 to 24 | 6.8% | 5.0% | 5.2% |
| Age 25 to 34 | 7.7% | 14.4% | 13.8% |
| Age 35 to 44 | 10.8% | 15.2% | 12.9% |
| Age 45 to 54 | 12.5% | 11.2% | 12.6% |
| Age 55 to 59 | 7.0% | 7.2% | 6.7% |
| Age 60 to 64 | 7.1% | 5.5% | 6.3% |
| Age 65 to 74 | 13.5% | 7.0% | 9.6% |
| Age 75 to 84 | 4.9% | 4.3% | 4.5% |
| Age 85 and over | 0.4% | 2.2% | 1.9% |
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| Race | | | |
| | Russell Springs, KY | Elizabethtown, KY | United States |
| White | 86.7% | 76.6% | 59.4% |
| Black | 0.5% | 12.0% | 12.2% |
| Asian | 0.0% | 2.5% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 4.5% | 4.3% | 3.2% |
| Hispanic | 8.2% | 3.9% | 18.4% |
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| Marriage & Family | | | |
| | Russell Springs, KY | Elizabethtown, KY | United States |
| Married Population | 30.1% | 44.7% | 49.8% |
| Currently Married | 27.5% | 42.6% | 48.0% |
| Married but Separated | 2.6% | 2.1% | 1.8% |
| Single Population | 69.9% | 55.4% | 50.2% |
| Never Married | 36.4% | 30.7% | 33.8% |
| Divorced | 29.0% | 16.2% | 10.8% |
| Widowed | 4.5% | 8.5% | 5.6% |
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| Household Size | 2.69 | 2.26 | 2.60 |
| Households | 966 | 13,296 | 124,010,992 |
| Family Households | 620 | 7,471 | 80,755,759 |
| Married couple, w/children | 15.3% | 28.1% | 30.5% |
| Married couple, no children | 33.9% | 38.4% | 42.9% |
| Non Family Households | 346 | 5,825 | 43,255,233 |
| Single householder, w/children | 25.3% | 22.8% | 15.8% |
| Single householder, no children | 25.5% | 10.7% | 10.8% |