| | Tennessee Ridge, TN | New Palestine, IN | United States |
| Population | 1,281 | 2,670 | 329,725,481 |
| Female Population | 51.5% | 49.9% | 50.5% |
| Male Population | 48.5% | 50.1% | 49.5% |
| Median Age | 44.4 | 45.4 | 38.4 |
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| Population - 2010 | 1,368 | 2,110 | 309,327,143 |
| Population - 2000 | 1,334 | 1,264 | 285,036,114 |
| Population - 1990 | 1,271 | 671 | 251,960,433 |
| Pop. 2000 to Now | -0.3% | 110.1% | 15.6% |
| Pop. 1990 to Now | 4.6% | 295.8% | 30.8% |
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| Population Density | 341.1 | 1,531.8 | 93.4 |
| Land Area | 3.8 | 1.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Tennessee Ridge, TN | New Palestine, IN | United States |
| Age 0 to 4 | 6.2% | 5.7% | 5.9% |
| Age 5 to 9 | 8.4% | 4.9% | 6.1% |
| Age 10 to 14 | 4.8% | 7.8% | 6.6% |
| Age 15 to 17 | 2.9% | 2.8% | 3.9% |
| Age 18 to 20 | 4.1% | 2.2% | 4.0% |
| Age 21 to 24 | 4.1% | 2.8% | 5.2% |
| Age 25 to 34 | 10.5% | 10.9% | 13.8% |
| Age 35 to 44 | 9.7% | 12.7% | 12.9% |
| Age 45 to 54 | 12.9% | 13.7% | 12.6% |
| Age 55 to 59 | 5.4% | 9.5% | 6.7% |
| Age 60 to 64 | 5.8% | 8.7% | 6.3% |
| Age 65 to 74 | 13.9% | 7.6% | 9.6% |
| Age 75 to 84 | 10.8% | 9.3% | 4.5% |
| Age 85 and over | 0.6% | 1.5% | 1.9% |
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| Race | | | |
| | Tennessee Ridge, TN | New Palestine, IN | United States |
| White | 92.6% | 98.7% | 59.4% |
| Black | 0.5% | 0.0% | 12.2% |
| Asian | 0.0% | 0.2% | 5.6% |
| Native American | 0.9% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.6% | 1.1% | 3.2% |
| Hispanic | 1.5% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Tennessee Ridge, TN | New Palestine, IN | United States |
| Married Population | 45.3% | 63.6% | 49.8% |
| Currently Married | 45.3% | 63.3% | 48.0% |
| Married but Separated | 0.0% | 0.3% | 1.8% |
| Single Population | 54.7% | 36.4% | 50.2% |
| Never Married | 29.3% | 19.1% | 33.8% |
| Divorced | 12.2% | 10.2% | 10.8% |
| Widowed | 13.2% | 7.2% | 5.6% |
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| Household Size | 2.73 | 2.37 | 2.60 |
| Households | 462 | 1,125 | 124,010,992 |
| Family Households | 280 | 800 | 80,755,759 |
| Married couple, w/children | 22.1% | 37.6% | 30.5% |
| Married couple, no children | 54.6% | 46.5% | 42.9% |
| Non Family Households | 182 | 325 | 43,255,233 |
| Single householder, w/children | 9.3% | 9.0% | 15.8% |
| Single householder, no children | 13.9% | 6.9% | 10.8% |