| | Midlothian, TX | Natchez, MS | United States |
| Population | 33,914 | 14,435 | 329,725,481 |
| Female Population | 51.6% | 56.9% | 50.5% |
| Male Population | 48.4% | 43.1% | 49.5% |
| Median Age | 35.1 | 39.6 | 38.4 |
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| Population - 2010 | 23,114 | 15,716 | 309,327,143 |
| Population - 2000 | 7,480 | 18,464 | 285,036,114 |
| Population - 1990 | 5,141 | 19,460 | 251,960,433 |
| Pop. 2000 to Now | 369.9% | -22.2% | 15.6% |
| Pop. 1990 to Now | 583.6% | -26.2% | 30.8% |
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| Population Density | 637.5 | 912.7 | 93.4 |
| Land Area | 53.2 | 15.8 | 3,531,905.4 |
| Water Area | 0.7 | 0.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Midlothian, TX | Natchez, MS | United States |
| Age 0 to 4 | 6.5% | 7.0% | 5.9% |
| Age 5 to 9 | 8.3% | 8.2% | 6.1% |
| Age 10 to 14 | 10.3% | 7.7% | 6.6% |
| Age 15 to 17 | 4.9% | 4.5% | 3.9% |
| Age 18 to 20 | 3.7% | 2.3% | 4.0% |
| Age 21 to 24 | 3.6% | 5.0% | 5.2% |
| Age 25 to 34 | 12.4% | 10.8% | 13.8% |
| Age 35 to 44 | 14.8% | 9.9% | 12.9% |
| Age 45 to 54 | 15.3% | 12.0% | 12.6% |
| Age 55 to 59 | 5.0% | 5.5% | 6.7% |
| Age 60 to 64 | 4.4% | 6.6% | 6.3% |
| Age 65 to 74 | 6.4% | 10.7% | 9.6% |
| Age 75 to 84 | 3.4% | 7.4% | 4.5% |
| Age 85 and over | 0.8% | 2.2% | 1.9% |
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| Race | | | |
| | Midlothian, TX | Natchez, MS | United States |
| White | 70.9% | 31.6% | 59.4% |
| Black | 8.8% | 61.0% | 12.2% |
| Asian | 0.7% | 0.5% | 5.6% |
| Native American | 0.2% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.2% | 0.4% |
| Two or More Races | 3.5% | 1.2% | 3.2% |
| Hispanic | 15.6% | 5.4% | 18.4% |
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| Marriage & Family | | | |
| | Midlothian, TX | Natchez, MS | United States |
| Married Population | 64.9% | 33.4% | 49.8% |
| Currently Married | 63.1% | 29.8% | 48.0% |
| Married but Separated | 1.8% | 3.6% | 1.8% |
| Single Population | 35.1% | 66.6% | 50.2% |
| Never Married | 23.4% | 45.2% | 33.8% |
| Divorced | 7.9% | 12.8% | 10.8% |
| Widowed | 3.9% | 8.6% | 5.6% |
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| Household Size | 3.00 | 2.35 | 2.60 |
| Households | 11,297 | 6,028 | 124,010,992 |
| Family Households | 9,609 | 3,404 | 80,755,759 |
| Married couple, w/children | 42.3% | 9.8% | 30.5% |
| Married couple, no children | 37.7% | 31.8% | 42.9% |
| Non Family Households | 1,688 | 2,624 | 43,255,233 |
| Single householder, w/children | 14.7% | 41.4% | 15.8% |
| Single householder, no children | 5.2% | 17.0% | 10.8% |