| | Marshall, TX | Madison, MS | United States |
| Population | 22,862 | 27,459 | 329,725,481 |
| Female Population | 52.8% | 52.2% | 50.5% |
| Male Population | 47.2% | 47.8% | 49.5% |
| Median Age | 34.7 | 40.4 | 38.4 |
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| Population - 2010 | 23,528 | 24,169 | 309,327,143 |
| Population - 2000 | 23,935 | 14,692 | 285,036,114 |
| Population - 1990 | 23,682 | 7,471 | 251,960,433 |
| Pop. 2000 to Now | -5.9% | 74.9% | 15.6% |
| Pop. 1990 to Now | -4.9% | 244.0% | 30.8% |
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| Population Density | 772.5 | 1,087.9 | 93.4 |
| Land Area | 29.6 | 25.2 | 3,531,905.4 |
| Water Area | 0.1 | 1.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Marshall, TX | Madison, MS | United States |
| Age 0 to 4 | 6.8% | 6.6% | 5.9% |
| Age 5 to 9 | 6.1% | 6.5% | 6.1% |
| Age 10 to 14 | 7.9% | 10.1% | 6.6% |
| Age 15 to 17 | 4.7% | 5.0% | 3.9% |
| Age 18 to 20 | 5.8% | 3.0% | 4.0% |
| Age 21 to 24 | 4.9% | 4.0% | 5.2% |
| Age 25 to 34 | 14.4% | 7.2% | 13.8% |
| Age 35 to 44 | 13.2% | 15.4% | 12.9% |
| Age 45 to 54 | 9.2% | 14.2% | 12.6% |
| Age 55 to 59 | 5.6% | 7.4% | 6.7% |
| Age 60 to 64 | 5.1% | 6.7% | 6.3% |
| Age 65 to 74 | 10.4% | 8.7% | 9.6% |
| Age 75 to 84 | 3.9% | 3.1% | 4.5% |
| Age 85 and over | 1.9% | 2.1% | 1.9% |
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| Race | | | |
| | Marshall, TX | Madison, MS | United States |
| White | 35.7% | 76.8% | 59.4% |
| Black | 37.8% | 14.1% | 12.2% |
| Asian | 1.2% | 6.1% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 2.8% | 1.4% | 3.2% |
| Hispanic | 22.5% | 1.1% | 18.4% |
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| Marriage & Family | | | |
| | Marshall, TX | Madison, MS | United States |
| Married Population | 37.7% | 67.8% | 49.8% |
| Currently Married | 35.8% | 67.3% | 48.0% |
| Married but Separated | 1.9% | 0.5% | 1.8% |
| Single Population | 62.3% | 32.2% | 50.2% |
| Never Married | 41.8% | 21.9% | 33.8% |
| Divorced | 13.1% | 5.2% | 10.8% |
| Widowed | 7.5% | 5.0% | 5.6% |
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| Household Size | 2.70 | 2.91 | 2.60 |
| Households | 7,996 | 9,273 | 124,010,992 |
| Family Households | 5,113 | 7,406 | 80,755,759 |
| Married couple, w/children | 24.9% | 46.8% | 30.5% |
| Married couple, no children | 32.6% | 44.0% | 42.9% |
| Non Family Households | 2,883 | 1,867 | 43,255,233 |
| Single householder, w/children | 26.2% | 5.6% | 15.8% |
| Single householder, no children | 16.4% | 3.6% | 10.8% |