| | Warsaw, IN | Covington, TN | United States |
| Population | 15,905 | 8,666 | 329,725,481 |
| Female Population | 48.7% | 55.0% | 50.5% |
| Male Population | 51.3% | 45.0% | 49.5% |
| Median Age | 34.1 | 35.9 | 38.4 |
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| Population - 2010 | 13,757 | 9,008 | 309,327,143 |
| Population - 2000 | 12,415 | 8,463 | 285,036,114 |
| Population - 1990 | 10,968 | 7,487 | 251,960,433 |
| Pop. 2000 to Now | 22.4% | 4.1% | 15.6% |
| Pop. 1990 to Now | 38.6% | 17.7% | 30.8% |
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| Population Density | 1,311.4 | 764.1 | 93.4 |
| Land Area | 12.1 | 11.3 | 3,531,905.4 |
| Water Area | 1.3 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Warsaw, IN | Covington, TN | United States |
| Age 0 to 4 | 6.3% | 7.1% | 5.9% |
| Age 5 to 9 | 5.6% | 7.5% | 6.1% |
| Age 10 to 14 | 6.3% | 8.7% | 6.6% |
| Age 15 to 17 | 5.0% | 2.7% | 3.9% |
| Age 18 to 20 | 3.4% | 3.0% | 4.0% |
| Age 21 to 24 | 7.2% | 6.6% | 5.2% |
| Age 25 to 34 | 17.8% | 13.0% | 13.8% |
| Age 35 to 44 | 12.2% | 11.8% | 12.9% |
| Age 45 to 54 | 10.1% | 10.6% | 12.6% |
| Age 55 to 59 | 4.7% | 6.0% | 6.7% |
| Age 60 to 64 | 7.7% | 6.0% | 6.3% |
| Age 65 to 74 | 8.7% | 8.8% | 9.6% |
| Age 75 to 84 | 3.6% | 7.3% | 4.5% |
| Age 85 and over | 1.5% | 1.2% | 1.9% |
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| Race | | | |
| | Warsaw, IN | Covington, TN | United States |
| White | 75.6% | 43.6% | 59.4% |
| Black | 2.2% | 52.9% | 12.2% |
| Asian | 5.0% | 0.0% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.8% | 0.0% | 0.4% |
| Two or More Races | 1.8% | 1.1% | 3.2% |
| Hispanic | 14.3% | 2.4% | 18.4% |
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| Marriage & Family | | | |
| | Warsaw, IN | Covington, TN | United States |
| Married Population | 44.4% | 42.6% | 49.8% |
| Currently Married | 41.3% | 38.1% | 48.0% |
| Married but Separated | 3.1% | 4.5% | 1.8% |
| Single Population | 55.6% | 57.4% | 50.2% |
| Never Married | 34.4% | 36.6% | 33.8% |
| Divorced | 17.9% | 11.2% | 10.8% |
| Widowed | 3.3% | 9.6% | 5.6% |
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| Household Size | 2.28 | 2.43 | 2.60 |
| Households | 6,728 | 3,403 | 124,010,992 |
| Family Households | 3,705 | 2,185 | 80,755,759 |
| Married couple, w/children | 28.8% | 21.4% | 30.5% |
| Married couple, no children | 36.5% | 32.4% | 42.9% |
| Non Family Households | 3,023 | 1,218 | 43,255,233 |
| Single householder, w/children | 29.3% | 27.2% | 15.8% |
| Single householder, no children | 5.5% | 19.0% | 10.8% |