| | La Vergne, TN | Newark, NJ | United States |
| Population | 38,127 | 306,247 | 329,725,481 |
| Female Population | 49.8% | 50.8% | 50.5% |
| Male Population | 50.2% | 49.2% | 49.5% |
| Median Age | 33.1 | 34.7 | 38.4 |
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| Population - 2010 | 32,713 | 276,989 | 309,327,143 |
| Population - 2000 | 18,687 | 273,546 | 285,036,114 |
| Population - 1990 | 7,499 | 275,221 | 251,960,433 |
| Pop. 2000 to Now | 90.8% | 3.3% | 15.6% |
| Pop. 1990 to Now | 375.3% | 2.7% | 30.8% |
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| Population Density | 1,551.1 | 12,684.2 | 93.4 |
| Land Area | 24.6 | 24.1 | 3,531,905.4 |
| Water Area | 0.2 | 1.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | La Vergne, TN | Newark, NJ | United States |
| Age 0 to 4 | 7.0% | 6.9% | 5.9% |
| Age 5 to 9 | 6.1% | 6.8% | 6.1% |
| Age 10 to 14 | 9.9% | 7.2% | 6.6% |
| Age 15 to 17 | 5.7% | 3.9% | 3.9% |
| Age 18 to 20 | 4.1% | 4.4% | 4.0% |
| Age 21 to 24 | 4.9% | 5.6% | 5.2% |
| Age 25 to 34 | 14.9% | 15.7% | 13.8% |
| Age 35 to 44 | 15.1% | 14.4% | 12.9% |
| Age 45 to 54 | 14.2% | 13.2% | 12.6% |
| Age 55 to 59 | 5.7% | 5.9% | 6.7% |
| Age 60 to 64 | 4.9% | 5.5% | 6.3% |
| Age 65 to 74 | 5.1% | 6.3% | 9.6% |
| Age 75 to 84 | 1.9% | 2.9% | 4.5% |
| Age 85 and over | 0.4% | 1.2% | 1.9% |
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| Race | | | |
| | La Vergne, TN | Newark, NJ | United States |
| White | 48.0% | 9.9% | 59.4% |
| Black | 23.5% | 46.5% | 12.2% |
| Asian | 3.6% | 1.8% | 5.6% |
| Native American | 0.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 2.1% | 0.4% |
| Two or More Races | 4.0% | 2.6% | 3.2% |
| Hispanic | 20.6% | 36.8% | 18.4% |
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| Marriage & Family | | | |
| | La Vergne, TN | Newark, NJ | United States |
| Married Population | 52.6% | 34.1% | 49.8% |
| Currently Married | 50.7% | 30.7% | 48.0% |
| Married but Separated | 1.8% | 3.4% | 1.8% |
| Single Population | 47.4% | 65.9% | 50.2% |
| Never Married | 32.7% | 52.5% | 33.8% |
| Divorced | 11.7% | 8.1% | 10.8% |
| Widowed | 3.0% | 5.2% | 5.6% |
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| Household Size | 2.93 | 2.66 | 2.60 |
| Households | 13,025 | 109,737 | 124,010,992 |
| Family Households | 10,045 | 66,807 | 80,755,759 |
| Married couple, w/children | 37.3% | 22.7% | 30.5% |
| Married couple, no children | 29.5% | 23.0% | 42.9% |
| Non Family Households | 2,980 | 42,930 | 43,255,233 |
| Single householder, w/children | 21.0% | 32.6% | 15.8% |
| Single householder, no children | 12.3% | 21.7% | 10.8% |