| | Vancouver, WA | Cartersville, GA | United States |
| Population | 188,331 | 22,626 | 329,725,481 |
| Female Population | 50.6% | 49.1% | 50.5% |
| Male Population | 49.4% | 50.9% | 49.5% |
| Median Age | 37.3 | 36.2 | 38.4 |
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| Population - 2010 | 167,614 | 19,795 | 309,327,143 |
| Population - 2000 | 143,560 | 15,925 | 285,036,114 |
| Population - 1990 | 46,380 | 12,035 | 251,960,433 |
| Pop. 2000 to Now | 29.7% | 38.4% | 15.6% |
| Pop. 1990 to Now | 301.5% | 83.1% | 30.8% |
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| Population Density | 3,849.0 | 776.7 | 93.4 |
| Land Area | 48.9 | 29.1 | 3,531,905.4 |
| Water Area | 3.6 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Vancouver, WA | Cartersville, GA | United States |
| Age 0 to 4 | 6.2% | 6.2% | 5.9% |
| Age 5 to 9 | 6.4% | 7.1% | 6.1% |
| Age 10 to 14 | 6.1% | 7.0% | 6.6% |
| Age 15 to 17 | 3.3% | 4.9% | 3.9% |
| Age 18 to 20 | 3.5% | 3.9% | 4.0% |
| Age 21 to 24 | 5.2% | 4.2% | 5.2% |
| Age 25 to 34 | 16.0% | 14.4% | 13.8% |
| Age 35 to 44 | 13.4% | 15.9% | 12.9% |
| Age 45 to 54 | 11.8% | 12.4% | 12.6% |
| Age 55 to 59 | 6.2% | 6.3% | 6.7% |
| Age 60 to 64 | 6.1% | 5.4% | 6.3% |
| Age 65 to 74 | 9.5% | 7.4% | 9.6% |
| Age 75 to 84 | 4.1% | 3.5% | 4.5% |
| Age 85 and over | 2.2% | 1.2% | 1.9% |
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| Race | | | |
| | Vancouver, WA | Cartersville, GA | United States |
| White | 69.0% | 67.3% | 59.4% |
| Black | 2.2% | 14.1% | 12.2% |
| Asian | 5.4% | 0.3% | 5.6% |
| Native American | 0.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 1.6% | 0.0% | 0.2% |
| Other | 0.3% | 0.2% | 0.4% |
| Two or More Races | 6.5% | 2.4% | 3.2% |
| Hispanic | 14.7% | 15.7% | 18.4% |
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| Marriage & Family | | | |
| | Vancouver, WA | Cartersville, GA | United States |
| Married Population | 47.4% | 48.7% | 49.8% |
| Currently Married | 45.2% | 46.4% | 48.0% |
| Married but Separated | 2.1% | 2.3% | 1.8% |
| Single Population | 52.6% | 51.3% | 50.2% |
| Never Married | 32.5% | 31.0% | 33.8% |
| Divorced | 14.7% | 12.3% | 10.8% |
| Widowed | 5.4% | 7.9% | 5.6% |
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| Household Size | 2.46 | 2.55 | 2.60 |
| Households | 75,663 | 8,525 | 124,010,992 |
| Family Households | 45,181 | 5,496 | 80,755,759 |
| Married couple, w/children | 30.2% | 35.8% | 30.5% |
| Married couple, no children | 41.0% | 34.9% | 42.9% |
| Non Family Households | 30,482 | 3,029 | 43,255,233 |
| Single householder, w/children | 17.4% | 18.8% | 15.8% |
| Single householder, no children | 11.4% | 10.5% | 10.8% |