| | Elberton, GA | Washington, GA | United States |
| Population | 4,589 | 3,786 | 329,725,481 |
| Female Population | 51.4% | 54.3% | 50.5% |
| Male Population | 48.6% | 45.8% | 49.5% |
| Median Age | 34.5 | 43.2 | 38.4 |
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| Population - 2010 | 4,582 | 4,126 | 309,327,143 |
| Population - 2000 | 4,743 | 4,295 | 285,036,114 |
| Population - 1990 | 5,682 | 4,279 | 251,960,433 |
| Pop. 2000 to Now | -8.3% | -9.0% | 15.6% |
| Pop. 1990 to Now | -23.4% | -8.7% | 30.8% |
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| Population Density | 1,013.0 | 491.8 | 93.4 |
| Land Area | 4.5 | 7.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Elberton, GA | Washington, GA | United States |
| Age 0 to 4 | 9.1% | 4.7% | 5.9% |
| Age 5 to 9 | 6.9% | 6.3% | 6.1% |
| Age 10 to 14 | 7.6% | 7.2% | 6.6% |
| Age 15 to 17 | 5.3% | 4.8% | 3.9% |
| Age 18 to 20 | 4.6% | 3.0% | 4.0% |
| Age 21 to 24 | 4.9% | 2.8% | 5.2% |
| Age 25 to 34 | 13.4% | 8.5% | 13.8% |
| Age 35 to 44 | 10.3% | 14.0% | 12.9% |
| Age 45 to 54 | 6.4% | 7.7% | 12.6% |
| Age 55 to 59 | 6.4% | 7.1% | 6.7% |
| Age 60 to 64 | 8.3% | 10.8% | 6.3% |
| Age 65 to 74 | 11.8% | 10.1% | 9.6% |
| Age 75 to 84 | 3.4% | 8.8% | 4.5% |
| Age 85 and over | 1.6% | 4.1% | 1.9% |
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| Race | | | |
| | Elberton, GA | Washington, GA | United States |
| White | 38.4% | 38.5% | 59.4% |
| Black | 47.0% | 54.2% | 12.2% |
| Asian | 0.9% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 2.0% | 0.0% | 0.4% |
| Two or More Races | 2.2% | 5.0% | 3.2% |
| Hispanic | 9.5% | 2.2% | 18.4% |
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| Marriage & Family | | | |
| | Elberton, GA | Washington, GA | United States |
| Married Population | 41.9% | 37.4% | 49.8% |
| Currently Married | 35.3% | 33.9% | 48.0% |
| Married but Separated | 6.6% | 3.5% | 1.8% |
| Single Population | 58.1% | 62.6% | 50.2% |
| Never Married | 39.5% | 40.2% | 33.8% |
| Divorced | 10.6% | 11.3% | 10.8% |
| Widowed | 8.0% | 11.0% | 5.6% |
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| Household Size | 2.47 | 2.25 | 2.60 |
| Households | 1,809 | 1,642 | 124,010,992 |
| Family Households | 971 | 860 | 80,755,759 |
| Married couple, w/children | 24.7% | 14.9% | 30.5% |
| Married couple, no children | 32.2% | 40.3% | 42.9% |
| Non Family Households | 838 | 782 | 43,255,233 |
| Single householder, w/children | 29.0% | 25.6% | 15.8% |
| Single householder, no children | 14.0% | 19.2% | 10.8% |