| | Dallas, TX | Ball Ground, GA | United States |
| Population | 1,300,239 | 2,423 | 329,725,481 |
| Female Population | 50.2% | 45.0% | 50.5% |
| Male Population | 49.8% | 55.0% | 49.5% |
| Median Age | 33.1 | 35.7 | 38.4 |
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| Population - 2010 | 1,200,360 | 1,530 | 309,327,143 |
| Population - 2000 | 1,188,580 | 730 | 285,036,114 |
| Population - 1990 | 1,006,877 | 905 | 251,960,433 |
| Pop. 2000 to Now | 13.0% | 217.1% | 15.6% |
| Pop. 1990 to Now | 33.4% | 155.8% | 30.8% |
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| Population Density | 3,828.5 | 388.6 | 93.4 |
| Land Area | 339.6 | 6.2 | 3,531,905.4 |
| Water Area | 44.8 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Dallas, TX | Ball Ground, GA | United States |
| Age 0 to 4 | 7.2% | 6.9% | 5.9% |
| Age 5 to 9 | 6.8% | 6.8% | 6.1% |
| Age 10 to 14 | 6.9% | 7.4% | 6.6% |
| Age 15 to 17 | 3.9% | 3.6% | 3.9% |
| Age 18 to 20 | 3.5% | 1.4% | 4.0% |
| Age 21 to 24 | 6.2% | 3.3% | 5.2% |
| Age 25 to 34 | 18.7% | 19.3% | 13.8% |
| Age 35 to 44 | 13.9% | 11.9% | 12.9% |
| Age 45 to 54 | 11.7% | 14.4% | 12.6% |
| Age 55 to 59 | 5.6% | 6.1% | 6.7% |
| Age 60 to 64 | 5.1% | 6.9% | 6.3% |
| Age 65 to 74 | 6.6% | 9.4% | 9.6% |
| Age 75 to 84 | 2.9% | 2.4% | 4.5% |
| Age 85 and over | 1.3% | 0.2% | 1.9% |
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| Race | | | |
| | Dallas, TX | Ball Ground, GA | United States |
| White | 28.6% | 93.4% | 59.4% |
| Black | 23.7% | 0.0% | 12.2% |
| Asian | 3.5% | 0.0% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 1.9% | 4.3% | 3.2% |
| Hispanic | 42.0% | 2.3% | 18.4% |
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| Marriage & Family | | | |
| | Dallas, TX | Ball Ground, GA | United States |
| Married Population | 43.1% | 63.7% | 49.8% |
| Currently Married | 40.2% | 63.3% | 48.0% |
| Married but Separated | 2.9% | 0.4% | 1.8% |
| Single Population | 56.9% | 36.3% | 50.2% |
| Never Married | 42.3% | 19.8% | 33.8% |
| Divorced | 10.3% | 10.8% | 10.8% |
| Widowed | 4.3% | 5.7% | 5.6% |
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| Household Size | 2.49 | 2.60 | 2.60 |
| Households | 515,138 | 933 | 124,010,992 |
| Family Households | 285,599 | 741 | 80,755,759 |
| Married couple, w/children | 30.0% | 31.8% | 30.5% |
| Married couple, no children | 34.0% | 49.3% | 42.9% |
| Non Family Households | 229,539 | 192 | 43,255,233 |
| Single householder, w/children | 22.3% | 14.7% | 15.8% |
| Single householder, no children | 13.7% | 4.2% | 10.8% |