| | Graham, WA | Decatur, TX | United States |
| Population | 33,727 | 6,557 | 329,725,481 |
| Female Population | 47.5% | 59.9% | 50.5% |
| Male Population | 52.5% | 40.1% | 49.5% |
| Median Age | 35.3 | 36 | 38.4 |
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| Population - 2010 | 21,713 | 6,031 | 309,327,143 |
| Population - 2000 | 8,739 | 5,201 | 285,036,114 |
| Population - 1990 | 9,281 | 4,252 | 251,960,433 |
| Pop. 2000 to Now | 233.7% | 45.6% | 15.6% |
| Pop. 1990 to Now | 214.2% | 78.1% | 30.8% |
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| Population Density | 963.9 | 773.1 | 93.4 |
| Land Area | 35.0 | 8.5 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Graham, WA | Decatur, TX | United States |
| Age 0 to 4 | 7.5% | 5.5% | 5.9% |
| Age 5 to 9 | 8.8% | 6.3% | 6.1% |
| Age 10 to 14 | 7.8% | 10.0% | 6.6% |
| Age 15 to 17 | 5.1% | 6.2% | 3.9% |
| Age 18 to 20 | 3.6% | 3.1% | 4.0% |
| Age 21 to 24 | 4.8% | 6.7% | 5.2% |
| Age 25 to 34 | 11.8% | 10.8% | 13.8% |
| Age 35 to 44 | 14.7% | 14.6% | 12.9% |
| Age 45 to 54 | 13.4% | 12.9% | 12.6% |
| Age 55 to 59 | 5.7% | 4.0% | 6.7% |
| Age 60 to 64 | 6.2% | 4.3% | 6.3% |
| Age 65 to 74 | 6.3% | 9.1% | 9.6% |
| Age 75 to 84 | 3.0% | 4.3% | 4.5% |
| Age 85 and over | 1.1% | 2.2% | 1.9% |
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| Race | | | |
| | Graham, WA | Decatur, TX | United States |
| White | 70.0% | 64.3% | 59.4% |
| Black | 5.0% | 2.9% | 12.2% |
| Asian | 3.5% | 1.2% | 5.6% |
| Native American | 0.5% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 1.7% | 0.0% | 0.2% |
| Other | 0.3% | 0.0% | 0.4% |
| Two or More Races | 7.2% | 1.2% | 3.2% |
| Hispanic | 11.9% | 30.0% | 18.4% |
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| Marriage & Family | | | |
| | Graham, WA | Decatur, TX | United States |
| Married Population | 57.9% | 51.0% | 49.8% |
| Currently Married | 56.9% | 49.1% | 48.0% |
| Married but Separated | 0.9% | 1.9% | 1.8% |
| Single Population | 42.1% | 49.0% | 50.2% |
| Never Married | 27.7% | 25.8% | 33.8% |
| Divorced | 11.3% | 14.5% | 10.8% |
| Widowed | 3.1% | 8.8% | 5.6% |
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| Household Size | 3.20 | 2.56 | 2.60 |
| Households | 10,515 | 2,488 | 124,010,992 |
| Family Households | 8,541 | 1,707 | 80,755,759 |
| Married couple, w/children | 38.0% | 37.7% | 30.5% |
| Married couple, no children | 41.3% | 28.5% | 42.9% |
| Non Family Households | 1,974 | 781 | 43,255,233 |
| Single householder, w/children | 15.2% | 30.5% | 15.8% |
| Single householder, no children | 5.5% | 3.3% | 10.8% |