| | Stowell, TX | Nederland, TX | United States |
| Population | 2,085 | 18,502 | 329,725,481 |
| Female Population | 38.0% | 51.8% | 50.5% |
| Male Population | 62.0% | 48.2% | 49.5% |
| Median Age | 31.8 | 36.2 | 38.4 |
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| Population - 2010 | 1,604 | 16,980 | 309,327,143 |
| Population - 2000 | 1,572 | 17,422 | 285,036,114 |
| Population - 1990 | 1,419 | 16,192 | 251,960,433 |
| Pop. 2000 to Now | 3.8% | -1.4% | 15.6% |
| Pop. 1990 to Now | 14.9% | 6.1% | 30.8% |
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| Population Density | 207.5 | 3,123.2 | 93.4 |
| Land Area | 10.0 | 5.9 | 3,531,905.4 |
| Water Area | 0.2 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Stowell, TX | Nederland, TX | United States |
| Age 0 to 4 | 4.2% | 6.4% | 5.9% |
| Age 5 to 9 | 6.9% | 8.8% | 6.1% |
| Age 10 to 14 | 17.4% | 7.8% | 6.6% |
| Age 15 to 17 | 11.0% | 4.4% | 3.9% |
| Age 18 to 20 | 7.3% | 3.6% | 4.0% |
| Age 21 to 24 | 0.0% | 3.7% | 5.2% |
| Age 25 to 34 | 8.1% | 13.0% | 13.8% |
| Age 35 to 44 | 26.1% | 13.8% | 12.9% |
| Age 45 to 54 | 5.2% | 12.7% | 12.6% |
| Age 55 to 59 | 3.0% | 6.5% | 6.7% |
| Age 60 to 64 | 4.1% | 3.6% | 6.3% |
| Age 65 to 74 | 5.6% | 8.3% | 9.6% |
| Age 75 to 84 | 1.2% | 4.7% | 4.5% |
| Age 85 and over | 0.0% | 2.7% | 1.9% |
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| Race | | | |
| | Stowell, TX | Nederland, TX | United States |
| White | 51.0% | 80.3% | 59.4% |
| Black | 1.6% | 4.0% | 12.2% |
| Asian | 1.8% | 1.7% | 5.6% |
| Native American | 0.0% | 0.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.2% | 1.7% | 3.2% |
| Hispanic | 43.4% | 11.5% | 18.4% |
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| Marriage & Family | | | |
| | Stowell, TX | Nederland, TX | United States |
| Married Population | 63.0% | 53.6% | 49.8% |
| Currently Married | 59.6% | 52.1% | 48.0% |
| Married but Separated | 3.5% | 1.5% | 1.8% |
| Single Population | 37.0% | 46.4% | 50.2% |
| Never Married | 31.3% | 26.5% | 33.8% |
| Divorced | 0.0% | 12.1% | 10.8% |
| Widowed | 5.6% | 7.9% | 5.6% |
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| Household Size | 3.14 | 2.60 | 2.60 |
| Households | 665 | 7,103 | 124,010,992 |
| Family Households | 542 | 4,669 | 80,755,759 |
| Married couple, w/children | 66.4% | 37.6% | 30.5% |
| Married couple, no children | 18.1% | 38.7% | 42.9% |
| Non Family Households | 123 | 2,434 | 43,255,233 |
| Single householder, w/children | 15.5% | 13.1% | 15.8% |
| Single householder, no children | 0.0% | 10.6% | 10.8% |