| | Bremond, TX | Calvert, TX | United States |
| Population | 793 | 1,203 | 329,725,481 |
| Female Population | 57.9% | 55.8% | 50.5% |
| Male Population | 42.1% | 44.2% | 49.5% |
| Median Age | 42.3 | 36.3 | 38.4 |
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| Population - 2010 | 919 | 1,182 | 309,327,143 |
| Population - 2000 | 876 | 1,426 | 285,036,114 |
| Population - 1990 | 1,110 | 1,536 | 251,960,433 |
| Pop. 2000 to Now | 9.8% | -20.3% | 15.6% |
| Pop. 1990 to Now | -13.3% | -26.0% | 30.8% |
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| Population Density | 895.0 | 309.3 | 93.4 |
| Land Area | 0.9 | 3.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bremond, TX | Calvert, TX | United States |
| Age 0 to 4 | 2.9% | 5.1% | 5.9% |
| Age 5 to 9 | 9.5% | 6.5% | 6.1% |
| Age 10 to 14 | 1.9% | 12.2% | 6.6% |
| Age 15 to 17 | 4.3% | 7.8% | 3.9% |
| Age 18 to 20 | 2.1% | 2.4% | 4.0% |
| Age 21 to 24 | 3.3% | 8.6% | 5.2% |
| Age 25 to 34 | 16.6% | 6.7% | 13.8% |
| Age 35 to 44 | 11.2% | 12.4% | 12.9% |
| Age 45 to 54 | 10.5% | 5.2% | 12.6% |
| Age 55 to 59 | 9.0% | 4.8% | 6.7% |
| Age 60 to 64 | 5.9% | 8.1% | 6.3% |
| Age 65 to 74 | 9.3% | 15.2% | 9.6% |
| Age 75 to 84 | 5.7% | 2.9% | 4.5% |
| Age 85 and over | 7.8% | 2.1% | 1.9% |
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| Race | | | |
| | Bremond, TX | Calvert, TX | United States |
| White | 55.2% | 27.9% | 59.4% |
| Black | 29.0% | 60.8% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.9% | 0.0% | 0.2% |
| Other | 0.0% | 1.0% | 0.4% |
| Two or More Races | 5.5% | 0.8% | 3.2% |
| Hispanic | 9.3% | 9.4% | 18.4% |
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| Marriage & Family | | | |
| | Bremond, TX | Calvert, TX | United States |
| Married Population | 32.5% | 49.5% | 49.8% |
| Currently Married | 29.3% | 43.4% | 48.0% |
| Married but Separated | 3.2% | 6.1% | 1.8% |
| Single Population | 67.5% | 50.5% | 50.2% |
| Never Married | 33.4% | 35.8% | 33.8% |
| Divorced | 16.6% | 9.4% | 10.8% |
| Widowed | 17.5% | 5.3% | 5.6% |
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| Household Size | 2.23 | 2.76 | 2.60 |
| Households | 339 | 429 | 124,010,992 |
| Family Households | 198 | 342 | 80,755,759 |
| Married couple, w/children | 20.2% | 6.7% | 30.5% |
| Married couple, no children | 28.8% | 49.7% | 42.9% |
| Non Family Households | 141 | 87 | 43,255,233 |
| Single householder, w/children | 27.8% | 38.0% | 15.8% |
| Single householder, no children | 23.2% | 5.6% | 10.8% |