| | Georgetown, SC | Montgomery, AL | United States |
| Population | 8,435 | 201,022 | 329,725,481 |
| Female Population | 54.5% | 52.9% | 50.5% |
| Male Population | 45.5% | 47.1% | 49.5% |
| Median Age | 45.4 | 36.1 | 38.4 |
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| Population - 2010 | 9,211 | 205,583 | 309,327,143 |
| Population - 2000 | 8,950 | 201,568 | 285,036,114 |
| Population - 1990 | 9,517 | 187,106 | 251,960,433 |
| Pop. 2000 to Now | -1.7% | -2.6% | 15.6% |
| Pop. 1990 to Now | -7.6% | 4.9% | 30.8% |
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| Population Density | 1,215.4 | 1,257.6 | 93.4 |
| Land Area | 6.9 | 159.8 | 3,531,905.4 |
| Water Area | 0.6 | 2.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Georgetown, SC | Montgomery, AL | United States |
| Age 0 to 4 | 3.8% | 6.8% | 5.9% |
| Age 5 to 9 | 7.6% | 6.6% | 6.1% |
| Age 10 to 14 | 6.8% | 6.8% | 6.6% |
| Age 15 to 17 | 3.8% | 3.9% | 3.9% |
| Age 18 to 20 | 1.4% | 4.4% | 4.0% |
| Age 21 to 24 | 6.6% | 5.6% | 5.2% |
| Age 25 to 34 | 10.3% | 14.5% | 13.8% |
| Age 35 to 44 | 8.7% | 12.8% | 12.9% |
| Age 45 to 54 | 10.9% | 11.6% | 12.6% |
| Age 55 to 59 | 5.8% | 6.7% | 6.7% |
| Age 60 to 64 | 11.9% | 5.5% | 6.3% |
| Age 65 to 74 | 14.6% | 8.8% | 9.6% |
| Age 75 to 84 | 5.4% | 4.1% | 4.5% |
| Age 85 and over | 2.3% | 1.8% | 1.9% |
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| Race | | | |
| | Georgetown, SC | Montgomery, AL | United States |
| White | 43.1% | 29.1% | 59.4% |
| Black | 53.0% | 61.4% | 12.2% |
| Asian | 0.1% | 3.3% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 2.0% | 2.1% | 3.2% |
| Hispanic | 1.7% | 4.0% | 18.4% |
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| Marriage & Family | | | |
| | Georgetown, SC | Montgomery, AL | United States |
| Married Population | 42.3% | 38.0% | 49.8% |
| Currently Married | 40.1% | 34.8% | 48.0% |
| Married but Separated | 2.2% | 3.2% | 1.8% |
| Single Population | 57.7% | 62.1% | 50.2% |
| Never Married | 38.9% | 42.4% | 33.8% |
| Divorced | 11.1% | 13.9% | 10.8% |
| Widowed | 7.7% | 5.7% | 5.6% |
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| Household Size | 2.32 | 2.47 | 2.60 |
| Households | 3,535 | 78,791 | 124,010,992 |
| Family Households | 2,256 | 46,684 | 80,755,759 |
| Married couple, w/children | 10.7% | 22.5% | 30.5% |
| Married couple, no children | 46.2% | 32.3% | 42.9% |
| Non Family Households | 1,279 | 32,107 | 43,255,233 |
| Single householder, w/children | 25.8% | 29.6% | 15.8% |
| Single householder, no children | 17.3% | 15.5% | 10.8% |