| | Ridgeland, MS | Irving, TX | United States |
| Population | 24,330 | 254,184 | 329,725,481 |
| Female Population | 53.5% | 49.3% | 50.5% |
| Male Population | 46.5% | 50.7% | 49.5% |
| Median Age | 34.5 | 32.3 | 38.4 |
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| Population - 2010 | 24,318 | 216,858 | 309,327,143 |
| Population - 2000 | 20,173 | 191,615 | 285,036,114 |
| Population - 1990 | 11,714 | 155,037 | 251,960,433 |
| Pop. 2000 to Now | 18.7% | 25.7% | 15.6% |
| Pop. 1990 to Now | 104.4% | 55.4% | 30.8% |
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| Population Density | 1,137.8 | 3,790.7 | 93.4 |
| Land Area | 21.4 | 67.1 | 3,531,905.4 |
| Water Area | 1.8 | 1.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Ridgeland, MS | Irving, TX | United States |
| Age 0 to 4 | 6.2% | 8.6% | 5.9% |
| Age 5 to 9 | 5.4% | 7.2% | 6.1% |
| Age 10 to 14 | 6.2% | 7.1% | 6.6% |
| Age 15 to 17 | 3.2% | 4.2% | 3.9% |
| Age 18 to 20 | 2.5% | 3.4% | 4.0% |
| Age 21 to 24 | 9.0% | 5.3% | 5.2% |
| Age 25 to 34 | 18.2% | 19.1% | 13.8% |
| Age 35 to 44 | 14.2% | 16.2% | 12.9% |
| Age 45 to 54 | 12.4% | 12.0% | 12.6% |
| Age 55 to 59 | 6.0% | 5.1% | 6.7% |
| Age 60 to 64 | 5.3% | 3.8% | 6.3% |
| Age 65 to 74 | 7.3% | 5.2% | 9.6% |
| Age 75 to 84 | 2.2% | 2.1% | 4.5% |
| Age 85 and over | 1.8% | 0.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Ridgeland, MS | Irving, TX | United States |
| White | 49.2% | 19.5% | 59.4% |
| Black | 38.9% | 13.2% | 12.2% |
| Asian | 2.9% | 21.4% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 0.3% | 0.4% |
| Two or More Races | 1.7% | 2.0% | 3.2% |
| Hispanic | 6.7% | 43.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Ridgeland, MS | Irving, TX | United States |
| Married Population | 46.5% | 52.4% | 49.8% |
| Currently Married | 44.3% | 50.0% | 48.0% |
| Married but Separated | 2.2% | 2.5% | 1.8% |
| Single Population | 53.5% | 47.6% | 50.2% |
| Never Married | 37.2% | 35.4% | 33.8% |
| Divorced | 11.7% | 9.3% | 10.8% |
| Widowed | 4.6% | 2.9% | 5.6% |
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| Household Size | 2.27 | 2.76 | 2.60 |
| Households | 10,571 | 91,752 | 124,010,992 |
| Family Households | 6,023 | 61,002 | 80,755,759 |
| Married couple, w/children | 28.4% | 39.3% | 30.5% |
| Married couple, no children | 37.3% | 32.1% | 42.9% |
| Non Family Households | 4,548 | 30,750 | 43,255,233 |
| Single householder, w/children | 21.2% | 17.4% | 15.8% |
| Single householder, no children | 13.1% | 11.2% | 10.8% |