| | Sealy, TX | Beaumont, TX | United States |
| Population | 6,766 | 115,013 | 329,725,481 |
| Female Population | 55.5% | 50.9% | 50.5% |
| Male Population | 44.5% | 49.1% | 49.5% |
| Median Age | 41.3 | 35 | 38.4 |
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| Population - 2010 | 6,110 | 117,342 | 309,327,143 |
| Population - 2000 | 5,248 | 113,866 | 285,036,114 |
| Population - 1990 | 4,541 | 114,323 | 251,960,433 |
| Pop. 2000 to Now | 22.8% | 1.4% | 15.6% |
| Pop. 1990 to Now | 41.9% | 1.0% | 30.8% |
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| Population Density | 507.8 | 1,396.9 | 93.4 |
| Land Area | 13.3 | 82.3 | 3,531,905.4 |
| Water Area | 0.1 | 2.9 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Sealy, TX | Beaumont, TX | United States |
| Age 0 to 4 | 5.8% | 7.3% | 5.9% |
| Age 5 to 9 | 7.3% | 6.9% | 6.1% |
| Age 10 to 14 | 5.3% | 7.4% | 6.6% |
| Age 15 to 17 | 3.3% | 3.6% | 3.9% |
| Age 18 to 20 | 6.0% | 4.7% | 4.0% |
| Age 21 to 24 | 2.9% | 5.8% | 5.2% |
| Age 25 to 34 | 12.3% | 14.3% | 13.8% |
| Age 35 to 44 | 11.9% | 12.5% | 12.9% |
| Age 45 to 54 | 10.6% | 10.2% | 12.6% |
| Age 55 to 59 | 5.3% | 5.8% | 6.7% |
| Age 60 to 64 | 8.5% | 6.4% | 6.3% |
| Age 65 to 74 | 10.9% | 9.0% | 9.6% |
| Age 75 to 84 | 7.2% | 4.0% | 4.5% |
| Age 85 and over | 2.7% | 1.9% | 1.9% |
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| Race | | | |
| | Sealy, TX | Beaumont, TX | United States |
| White | 53.2% | 29.4% | 59.4% |
| Black | 6.9% | 45.8% | 12.2% |
| Asian | 0.0% | 3.3% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 2.3% | 1.7% | 3.2% |
| Hispanic | 37.7% | 19.5% | 18.4% |
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| Marriage & Family | | | |
| | Sealy, TX | Beaumont, TX | United States |
| Married Population | 58.0% | 44.7% | 49.8% |
| Currently Married | 53.9% | 42.5% | 48.0% |
| Married but Separated | 4.1% | 2.2% | 1.8% |
| Single Population | 42.0% | 55.3% | 50.2% |
| Never Married | 24.9% | 37.8% | 33.8% |
| Divorced | 8.9% | 11.4% | 10.8% |
| Widowed | 8.3% | 6.0% | 5.6% |
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| Household Size | 2.40 | 2.49 | 2.60 |
| Households | 2,795 | 44,951 | 124,010,992 |
| Family Households | 2,038 | 27,895 | 80,755,759 |
| Married couple, w/children | 24.0% | 22.8% | 30.5% |
| Married couple, no children | 50.2% | 39.8% | 42.9% |
| Non Family Households | 757 | 17,056 | 43,255,233 |
| Single householder, w/children | 15.4% | 26.4% | 15.8% |
| Single householder, no children | 10.4% | 11.0% | 10.8% |