| | Southaven, MS | Indianapolis, IN | United States |
| Population | 54,141 | 880,104 | 329,725,481 |
| Female Population | 52.6% | 51.5% | 50.5% |
| Male Population | 47.4% | 48.5% | 49.5% |
| Median Age | 36.3 | 34.3 | 38.4 |
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| Population - 2010 | 49,135 | 821,576 | 309,327,143 |
| Population - 2000 | 28,977 | 781,870 | 285,036,114 |
| Population - 1990 | 17,949 | 754,005 | 251,960,433 |
| Pop. 2000 to Now | 95.5% | 12.3% | 15.6% |
| Pop. 1990 to Now | 215.6% | 16.4% | 30.8% |
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| Population Density | 1,310.1 | 2,434.0 | 93.4 |
| Land Area | 41.3 | 361.6 | 3,531,905.4 |
| Water Area | 0.2 | 6.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Southaven, MS | Indianapolis, IN | United States |
| Age 0 to 4 | 6.0% | 7.1% | 5.9% |
| Age 5 to 9 | 6.5% | 6.8% | 6.1% |
| Age 10 to 14 | 8.4% | 6.9% | 6.6% |
| Age 15 to 17 | 5.0% | 3.9% | 3.9% |
| Age 18 to 20 | 3.8% | 3.9% | 4.0% |
| Age 21 to 24 | 5.1% | 5.6% | 5.2% |
| Age 25 to 34 | 13.5% | 16.8% | 13.8% |
| Age 35 to 44 | 13.6% | 13.0% | 12.9% |
| Age 45 to 54 | 13.2% | 11.6% | 12.6% |
| Age 55 to 59 | 6.8% | 6.1% | 6.7% |
| Age 60 to 64 | 5.0% | 5.8% | 6.3% |
| Age 65 to 74 | 8.6% | 7.7% | 9.6% |
| Age 75 to 84 | 3.7% | 3.3% | 4.5% |
| Age 85 and over | 1.0% | 1.5% | 1.9% |
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| Race | | | |
| | Southaven, MS | Indianapolis, IN | United States |
| White | 58.8% | 52.7% | 59.4% |
| Black | 32.4% | 28.5% | 12.2% |
| Asian | 1.7% | 3.8% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.5% | 0.4% |
| Two or More Races | 2.2% | 3.7% | 3.2% |
| Hispanic | 4.6% | 10.8% | 18.4% |
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| Marriage & Family | | | |
| | Southaven, MS | Indianapolis, IN | United States |
| Married Population | 50.8% | 41.1% | 49.8% |
| Currently Married | 48.9% | 39.4% | 48.0% |
| Married but Separated | 1.9% | 1.7% | 1.8% |
| Single Population | 49.2% | 58.9% | 50.2% |
| Never Married | 30.4% | 41.8% | 33.8% |
| Divorced | 14.3% | 12.3% | 10.8% |
| Widowed | 4.6% | 4.8% | 5.6% |
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| Household Size | 2.63 | 2.46 | 2.60 |
| Households | 20,513 | 352,238 | 124,010,992 |
| Family Households | 14,309 | 193,246 | 80,755,759 |
| Married couple, w/children | 33.5% | 26.6% | 30.5% |
| Married couple, no children | 34.4% | 38.7% | 42.9% |
| Non Family Households | 6,204 | 158,992 | 43,255,233 |
| Single householder, w/children | 22.0% | 22.4% | 15.8% |
| Single householder, no children | 10.2% | 12.4% | 10.8% |