| | Douglas Grove, NE | Nashville, GA | United States |
| Population | 86 | 4,875 | 329,725,481 |
| Female Population | 50.0% | 52.9% | 50.5% |
| Male Population | 50.0% | 47.1% | 49.5% |
| Median Age | 43.8 | 42.8 | 38.4 |
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| Population - 2010 | 97 | 4,958 | 309,327,143 |
| Population - 2000 | 115 | 4,697 | 285,036,114 |
| Population - 1990 | 106 | 4,782 | 251,960,433 |
| Pop. 2000 to Now | -15.7% | 2.4% | 15.6% |
| Pop. 1990 to Now | -8.5% | 0.6% | 30.8% |
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| Population Density | 1.3 | 1,047.9 | 93.4 |
| Land Area | 66.9 | 4.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Douglas Grove, NE | Nashville, GA | United States |
| Age 0 to 4 | 7.0% | 9.2% | 5.9% |
| Age 5 to 9 | 4.7% | 7.3% | 6.1% |
| Age 10 to 14 | 11.6% | 4.1% | 6.6% |
| Age 15 to 17 | 0.0% | 1.7% | 3.9% |
| Age 18 to 20 | 16.3% | 0.6% | 4.0% |
| Age 21 to 24 | 0.0% | 4.5% | 5.2% |
| Age 25 to 34 | 0.0% | 15.3% | 13.8% |
| Age 35 to 44 | 11.6% | 8.9% | 12.9% |
| Age 45 to 54 | 4.7% | 13.7% | 12.6% |
| Age 55 to 59 | 19.8% | 9.4% | 6.7% |
| Age 60 to 64 | 0.0% | 6.2% | 6.3% |
| Age 65 to 74 | 10.5% | 11.4% | 9.6% |
| Age 75 to 84 | 14.0% | 6.0% | 4.5% |
| Age 85 and over | 0.0% | 1.9% | 1.9% |
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| Race | | | |
| | Douglas Grove, NE | Nashville, GA | United States |
| White | 100.0% | 68.4% | 59.4% |
| Black | 0.0% | 18.5% | 12.2% |
| Asian | 0.0% | 3.8% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 2.2% | 3.2% |
| Hispanic | 0.0% | 7.1% | 18.4% |
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| Marriage & Family | | | |
| | Douglas Grove, NE | Nashville, GA | United States |
| Married Population | 57.6% | 40.2% | 49.8% |
| Currently Married | 57.6% | 36.2% | 48.0% |
| Married but Separated | 0.0% | 3.9% | 1.8% |
| Single Population | 42.4% | 59.8% | 50.2% |
| Never Married | 21.2% | 24.9% | 33.8% |
| Divorced | 21.2% | 23.6% | 10.8% |
| Widowed | 0.0% | 11.4% | 5.6% |
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| Household Size | 2.53 | 2.58 | 2.60 |
| Households | 34 | 1,827 | 124,010,992 |
| Family Households | 30 | 1,108 | 80,755,759 |
| Married couple, w/children | 16.7% | 28.1% | 30.5% |
| Married couple, no children | 50.0% | 30.8% | 42.9% |
| Non Family Households | 4 | 719 | 43,255,233 |
| Single householder, w/children | 0.0% | 26.4% | 15.8% |
| Single householder, no children | 33.3% | 14.8% | 10.8% |