| | Montgomery, WV | Athens, WV | United States |
| Population | 1,647 | 1,142 | 329,725,481 |
| Female Population | 56.2% | 48.4% | 50.5% |
| Male Population | 43.8% | 51.6% | 49.5% |
| Median Age | 39.5 | 23.5 | 38.4 |
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| Population - 2010 | 1,638 | 1,043 | 309,327,143 |
| Population - 2000 | 1,942 | 1,102 | 285,036,114 |
| Population - 1990 | 2,449 | 741 | 251,960,433 |
| Pop. 2000 to Now | -23.2% | -19.2% | 15.6% |
| Pop. 1990 to Now | -39.1% | 20.1% | 30.8% |
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| Population Density | 1,049.7 | 2,898.5 | 93.4 |
| Land Area | 1.6 | 0.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Montgomery, WV | Athens, WV | United States |
| Age 0 to 4 | 6.9% | 2.5% | 5.9% |
| Age 5 to 9 | 5.2% | 3.5% | 6.1% |
| Age 10 to 14 | 3.6% | 6.7% | 6.6% |
| Age 15 to 17 | 2.7% | 5.4% | 3.9% |
| Age 18 to 20 | 13.7% | 21.9% | 4.0% |
| Age 21 to 24 | 8.5% | 12.4% | 5.2% |
| Age 25 to 34 | 7.8% | 8.1% | 13.8% |
| Age 35 to 44 | 10.8% | 6.9% | 12.9% |
| Age 45 to 54 | 10.4% | 7.7% | 12.6% |
| Age 55 to 59 | 5.4% | 4.7% | 6.7% |
| Age 60 to 64 | 7.5% | 5.7% | 6.3% |
| Age 65 to 74 | 10.3% | 8.1% | 9.6% |
| Age 75 to 84 | 4.8% | 4.8% | 4.5% |
| Age 85 and over | 2.6% | 1.4% | 1.9% |
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| Race | | | |
| | Montgomery, WV | Athens, WV | United States |
| White | 77.0% | 88.7% | 59.4% |
| Black | 5.3% | 8.8% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 13.8% | 0.0% | 3.2% |
| Hispanic | 3.8% | 2.5% | 18.4% |
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| Marriage & Family | | | |
| | Montgomery, WV | Athens, WV | United States |
| Married Population | 22.3% | 30.6% | 49.8% |
| Currently Married | 19.4% | 30.6% | 48.0% |
| Married but Separated | 2.9% | 0.0% | 1.8% |
| Single Population | 77.7% | 69.4% | 50.2% |
| Never Married | 42.7% | 55.2% | 33.8% |
| Divorced | 21.6% | 8.8% | 10.8% |
| Widowed | 13.4% | 5.3% | 5.6% |
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| Household Size | 2.20 | 3.25 | 2.60 |
| Households | 633 | 266 | 124,010,992 |
| Family Households | 261 | 215 | 80,755,759 |
| Married couple, w/children | 9.6% | 14.0% | 30.5% |
| Married couple, no children | 37.9% | 54.4% | 42.9% |
| Non Family Households | 372 | 51 | 43,255,233 |
| Single householder, w/children | 37.9% | 11.2% | 15.8% |
| Single householder, no children | 14.6% | 20.5% | 10.8% |