| | Carbondale, IL | Carrollton, GA | United States |
| Population | 22,388 | 26,773 | 329,725,481 |
| Female Population | 48.9% | 55.0% | 50.5% |
| Male Population | 51.1% | 45.0% | 49.5% |
| Median Age | 24.8 | 27.4 | 38.4 |
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| Population - 2010 | 26,517 | 24,347 | 309,327,143 |
| Population - 2000 | 20,681 | 19,843 | 285,036,114 |
| Population - 1990 | 27,033 | 16,029 | 251,960,433 |
| Pop. 2000 to Now | 21.1% | 38.3% | 15.6% |
| Pop. 1990 to Now | -7.4% | 71.3% | 30.8% |
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| Population Density | 1,295.9 | 1,197.7 | 93.4 |
| Land Area | 17.3 | 22.4 | 3,531,905.4 |
| Water Area | 0.4 | 0.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Carbondale, IL | Carrollton, GA | United States |
| Age 0 to 4 | 2.2% | 6.8% | 5.9% |
| Age 5 to 9 | 3.4% | 4.2% | 6.1% |
| Age 10 to 14 | 3.3% | 5.7% | 6.6% |
| Age 15 to 17 | 3.0% | 4.0% | 3.9% |
| Age 18 to 20 | 16.7% | 10.6% | 4.0% |
| Age 21 to 24 | 22.8% | 12.8% | 5.2% |
| Age 25 to 34 | 15.5% | 16.0% | 13.8% |
| Age 35 to 44 | 8.3% | 10.5% | 12.9% |
| Age 45 to 54 | 7.0% | 9.9% | 12.6% |
| Age 55 to 59 | 4.2% | 2.6% | 6.7% |
| Age 60 to 64 | 3.6% | 4.1% | 6.3% |
| Age 65 to 74 | 6.2% | 8.4% | 9.6% |
| Age 75 to 84 | 2.0% | 3.0% | 4.5% |
| Age 85 and over | 1.9% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Carbondale, IL | Carrollton, GA | United States |
| White | 56.6% | 49.6% | 59.4% |
| Black | 27.4% | 36.1% | 12.2% |
| Asian | 7.0% | 0.8% | 5.6% |
| Native American | 0.2% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.5% | 1.0% | 0.4% |
| Two or More Races | 3.2% | 1.4% | 3.2% |
| Hispanic | 5.0% | 11.0% | 18.4% |
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| Marriage & Family | | | |
| | Carbondale, IL | Carrollton, GA | United States |
| Married Population | 21.6% | 33.6% | 49.8% |
| Currently Married | 19.5% | 32.7% | 48.0% |
| Married but Separated | 2.1% | 0.9% | 1.8% |
| Single Population | 78.4% | 66.4% | 50.2% |
| Never Married | 68.0% | 51.0% | 33.8% |
| Divorced | 6.9% | 9.2% | 10.8% |
| Widowed | 3.4% | 6.2% | 5.6% |
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| Household Size | 1.86 | 2.49 | 2.60 |
| Households | 10,193 | 9,554 | 124,010,992 |
| Family Households | 3,139 | 5,888 | 80,755,759 |
| Married couple, w/children | 19.4% | 20.7% | 30.5% |
| Married couple, no children | 34.8% | 34.8% | 42.9% |
| Non Family Households | 7,054 | 3,666 | 43,255,233 |
| Single householder, w/children | 27.4% | 26.3% | 15.8% |
| Single householder, no children | 18.4% | 18.3% | 10.8% |