| | Gainesville, GA | Graham, WA | United States |
| Population | 41,730 | 33,727 | 329,725,481 |
| Female Population | 53.4% | 47.5% | 50.5% |
| Male Population | 46.6% | 52.5% | 49.5% |
| Median Age | 32.4 | 35.3 | 38.4 |
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| Population - 2010 | 34,066 | 21,713 | 309,327,143 |
| Population - 2000 | 25,578 | 8,739 | 285,036,114 |
| Population - 1990 | 17,885 | 9,281 | 251,960,433 |
| Pop. 2000 to Now | 72.9% | 233.7% | 15.6% |
| Pop. 1990 to Now | 147.2% | 214.2% | 30.8% |
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| Population Density | 1,273.3 | 963.9 | 93.4 |
| Land Area | 32.8 | 35.0 | 3,531,905.4 |
| Water Area | 1.9 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Gainesville, GA | Graham, WA | United States |
| Age 0 to 4 | 7.2% | 7.5% | 5.9% |
| Age 5 to 9 | 7.8% | 8.8% | 6.1% |
| Age 10 to 14 | 6.4% | 7.8% | 6.6% |
| Age 15 to 17 | 5.1% | 5.1% | 3.9% |
| Age 18 to 20 | 4.8% | 3.6% | 4.0% |
| Age 21 to 24 | 6.8% | 4.8% | 5.2% |
| Age 25 to 34 | 15.4% | 11.8% | 13.8% |
| Age 35 to 44 | 12.2% | 14.7% | 12.9% |
| Age 45 to 54 | 10.7% | 13.4% | 12.6% |
| Age 55 to 59 | 4.9% | 5.7% | 6.7% |
| Age 60 to 64 | 4.0% | 6.2% | 6.3% |
| Age 65 to 74 | 9.2% | 6.3% | 9.6% |
| Age 75 to 84 | 3.4% | 3.0% | 4.5% |
| Age 85 and over | 2.1% | 1.1% | 1.9% |
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| Race | | | |
| | Gainesville, GA | Graham, WA | United States |
| White | 40.2% | 70.0% | 59.4% |
| Black | 16.0% | 5.0% | 12.2% |
| Asian | 2.7% | 3.5% | 5.6% |
| Native American | 0.0% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 1.7% | 0.2% |
| Other | 0.8% | 0.3% | 0.4% |
| Two or More Races | 2.2% | 7.2% | 3.2% |
| Hispanic | 38.1% | 11.9% | 18.4% |
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| Marriage & Family | | | |
| | Gainesville, GA | Graham, WA | United States |
| Married Population | 44.6% | 57.9% | 49.8% |
| Currently Married | 42.0% | 56.9% | 48.0% |
| Married but Separated | 2.6% | 0.9% | 1.8% |
| Single Population | 55.4% | 42.1% | 50.2% |
| Never Married | 38.8% | 27.7% | 33.8% |
| Divorced | 11.7% | 11.3% | 10.8% |
| Widowed | 4.8% | 3.1% | 5.6% |
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| Household Size | 2.78 | 3.20 | 2.60 |
| Households | 14,619 | 10,515 | 124,010,992 |
| Family Households | 9,307 | 8,541 | 80,755,759 |
| Married couple, w/children | 32.1% | 38.0% | 30.5% |
| Married couple, no children | 31.9% | 41.3% | 42.9% |
| Non Family Households | 5,312 | 1,974 | 43,255,233 |
| Single householder, w/children | 22.8% | 15.2% | 15.8% |
| Single householder, no children | 13.2% | 5.5% | 10.8% |