| | Dalton, GA | Simpsonville, SC | United States |
| Population | 34,255 | 23,190 | 329,725,481 |
| Female Population | 50.7% | 49.2% | 50.5% |
| Male Population | 49.3% | 50.8% | 49.5% |
| Median Age | 32.4 | 36.6 | 38.4 |
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| Population - 2010 | 33,158 | 18,479 | 309,327,143 |
| Population - 2000 | 27,912 | 14,352 | 285,036,114 |
| Population - 1990 | 21,761 | 11,708 | 251,960,433 |
| Pop. 2000 to Now | 19.6% | 76.1% | 15.6% |
| Pop. 1990 to Now | 53.3% | 115.9% | 30.8% |
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| Population Density | 1,667.2 | 2,573.2 | 93.4 |
| Land Area | 20.5 | 9.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Dalton, GA | Simpsonville, SC | United States |
| Age 0 to 4 | 6.8% | 5.6% | 5.9% |
| Age 5 to 9 | 7.0% | 9.3% | 6.1% |
| Age 10 to 14 | 7.6% | 7.6% | 6.6% |
| Age 15 to 17 | 5.2% | 3.1% | 3.9% |
| Age 18 to 20 | 4.7% | 2.2% | 4.0% |
| Age 21 to 24 | 7.4% | 6.1% | 5.2% |
| Age 25 to 34 | 14.5% | 13.8% | 13.8% |
| Age 35 to 44 | 12.2% | 16.2% | 12.9% |
| Age 45 to 54 | 11.4% | 11.3% | 12.6% |
| Age 55 to 59 | 6.2% | 5.6% | 6.7% |
| Age 60 to 64 | 5.4% | 5.8% | 6.3% |
| Age 65 to 74 | 6.0% | 8.5% | 9.6% |
| Age 75 to 84 | 4.6% | 4.2% | 4.5% |
| Age 85 and over | 1.2% | 0.7% | 1.9% |
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| Race | | | |
| | Dalton, GA | Simpsonville, SC | United States |
| White | 38.7% | 67.9% | 59.4% |
| Black | 4.8% | 18.7% | 12.2% |
| Asian | 2.1% | 1.5% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.7% | 0.4% |
| Two or More Races | 1.9% | 2.8% | 3.2% |
| Hispanic | 52.5% | 8.3% | 18.4% |
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| Marriage & Family | | | |
| | Dalton, GA | Simpsonville, SC | United States |
| Married Population | 44.8% | 59.3% | 49.8% |
| Currently Married | 41.5% | 56.8% | 48.0% |
| Married but Separated | 3.3% | 2.5% | 1.8% |
| Single Population | 55.2% | 40.7% | 50.2% |
| Never Married | 36.5% | 26.7% | 33.8% |
| Divorced | 11.0% | 9.3% | 10.8% |
| Widowed | 7.7% | 4.7% | 5.6% |
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| Household Size | 2.84 | 2.64 | 2.60 |
| Households | 11,591 | 8,718 | 124,010,992 |
| Family Households | 7,730 | 6,280 | 80,755,759 |
| Married couple, w/children | 30.2% | 37.4% | 30.5% |
| Married couple, no children | 27.6% | 40.8% | 42.9% |
| Non Family Households | 3,861 | 2,438 | 43,255,233 |
| Single householder, w/children | 23.8% | 13.0% | 15.8% |
| Single householder, no children | 18.4% | 8.8% | 10.8% |