| | Sulphur Springs, TX | Oakland, CA | United States |
| Population | 15,825 | 437,548 | 329,725,481 |
| Female Population | 52.2% | 51.4% | 50.5% |
| Male Population | 47.8% | 48.6% | 49.5% |
| Median Age | 37.8 | 36.9 | 38.4 |
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| Population - 2010 | 15,450 | 391,350 | 309,327,143 |
| Population - 2000 | 14,551 | 399,484 | 285,036,114 |
| Population - 1990 | 14,062 | 372,242 | 251,960,433 |
| Pop. 2000 to Now | 11.8% | 6.4% | 15.6% |
| Pop. 1990 to Now | 15.7% | 14.1% | 30.8% |
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| Population Density | 781.8 | 7,828.3 | 93.4 |
| Land Area | 20.2 | 55.9 | 3,531,905.4 |
| Water Area | 3.4 | 22.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Sulphur Springs, TX | Oakland, CA | United States |
| Age 0 to 4 | 6.0% | 6.0% | 5.9% |
| Age 5 to 9 | 7.2% | 5.2% | 6.1% |
| Age 10 to 14 | 6.8% | 5.6% | 6.6% |
| Age 15 to 17 | 4.3% | 2.9% | 3.9% |
| Age 18 to 20 | 3.2% | 2.9% | 4.0% |
| Age 21 to 24 | 7.2% | 4.2% | 5.2% |
| Age 25 to 34 | 11.7% | 19.7% | 13.8% |
| Age 35 to 44 | 10.9% | 16.3% | 12.9% |
| Age 45 to 54 | 14.3% | 12.5% | 12.6% |
| Age 55 to 59 | 5.0% | 5.8% | 6.7% |
| Age 60 to 64 | 5.7% | 5.4% | 6.3% |
| Age 65 to 74 | 10.5% | 8.3% | 9.6% |
| Age 75 to 84 | 4.8% | 3.7% | 4.5% |
| Age 85 and over | 2.3% | 1.6% | 1.9% |
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| Race | | | |
| | Sulphur Springs, TX | Oakland, CA | United States |
| White | 65.6% | 28.6% | 59.4% |
| Black | 12.7% | 21.6% | 12.2% |
| Asian | 1.0% | 15.6% | 5.6% |
| Native American | 0.2% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.5% | 0.2% |
| Other | 0.3% | 0.6% | 0.4% |
| Two or More Races | 2.2% | 5.7% | 3.2% |
| Hispanic | 17.9% | 27.2% | 18.4% |
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| Marriage & Family | | | |
| | Sulphur Springs, TX | Oakland, CA | United States |
| Married Population | 48.1% | 41.1% | 49.8% |
| Currently Married | 45.2% | 39.1% | 48.0% |
| Married but Separated | 2.9% | 2.0% | 1.8% |
| Single Population | 51.9% | 58.9% | 50.2% |
| Never Married | 27.6% | 45.2% | 33.8% |
| Divorced | 15.9% | 9.3% | 10.8% |
| Widowed | 8.3% | 4.4% | 5.6% |
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| Household Size | 2.52 | 2.58 | 2.60 |
| Households | 6,142 | 167,307 | 124,010,992 |
| Family Households | 3,855 | 91,235 | 80,755,759 |
| Married couple, w/children | 32.6% | 29.5% | 30.5% |
| Married couple, no children | 34.2% | 35.9% | 42.9% |
| Non Family Households | 2,287 | 76,072 | 43,255,233 |
| Single householder, w/children | 18.6% | 19.2% | 15.8% |
| Single householder, no children | 14.6% | 15.5% | 10.8% |