| | Addison, TX | Indianapolis, IN | United States |
| Population | 16,405 | 880,104 | 329,725,481 |
| Female Population | 51.1% | 51.5% | 50.5% |
| Male Population | 48.9% | 48.5% | 49.5% |
| Median Age | 33.4 | 34.3 | 38.4 |
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| Population - 2010 | 12,445 | 821,576 | 309,327,143 |
| Population - 2000 | 14,166 | 781,870 | 285,036,114 |
| Population - 1990 | 8,783 | 754,005 | 251,960,433 |
| Pop. 2000 to Now | 14.5% | 12.3% | 15.6% |
| Pop. 1990 to Now | 84.7% | 16.4% | 30.8% |
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| Population Density | 3,754.0 | 2,434.0 | 93.4 |
| Land Area | 4.4 | 361.6 | 3,531,905.4 |
| Water Area | 0.0 | 6.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Addison, TX | Indianapolis, IN | United States |
| Age 0 to 4 | 5.5% | 7.1% | 5.9% |
| Age 5 to 9 | 3.9% | 6.8% | 6.1% |
| Age 10 to 14 | 3.0% | 6.9% | 6.6% |
| Age 15 to 17 | 1.3% | 3.9% | 3.9% |
| Age 18 to 20 | 2.3% | 3.9% | 4.0% |
| Age 21 to 24 | 6.2% | 5.6% | 5.2% |
| Age 25 to 34 | 31.8% | 16.8% | 13.8% |
| Age 35 to 44 | 16.2% | 13.0% | 12.9% |
| Age 45 to 54 | 11.4% | 11.6% | 12.6% |
| Age 55 to 59 | 5.0% | 6.1% | 6.7% |
| Age 60 to 64 | 4.1% | 5.8% | 6.3% |
| Age 65 to 74 | 7.2% | 7.7% | 9.6% |
| Age 75 to 84 | 1.4% | 3.3% | 4.5% |
| Age 85 and over | 0.8% | 1.5% | 1.9% |
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| Race | | | |
| | Addison, TX | Indianapolis, IN | United States |
| White | 44.0% | 52.7% | 59.4% |
| Black | 16.3% | 28.5% | 12.2% |
| Asian | 8.7% | 3.8% | 5.6% |
| Native American | 0.6% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 0.5% | 0.4% |
| Two or More Races | 4.6% | 3.7% | 3.2% |
| Hispanic | 25.2% | 10.8% | 18.4% |
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| Marriage & Family | | | |
| | Addison, TX | Indianapolis, IN | United States |
| Married Population | 39.4% | 41.1% | 49.8% |
| Currently Married | 37.6% | 39.4% | 48.0% |
| Married but Separated | 1.8% | 1.7% | 1.8% |
| Single Population | 60.6% | 58.9% | 50.2% |
| Never Married | 40.7% | 41.8% | 33.8% |
| Divorced | 17.3% | 12.3% | 10.8% |
| Widowed | 2.6% | 4.8% | 5.6% |
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| Household Size | 1.86 | 2.46 | 2.60 |
| Households | 8,835 | 352,238 | 124,010,992 |
| Family Households | 3,480 | 193,246 | 80,755,759 |
| Married couple, w/children | 25.9% | 26.6% | 30.5% |
| Married couple, no children | 47.7% | 38.7% | 42.9% |
| Non Family Households | 5,355 | 158,992 | 43,255,233 |
| Single householder, w/children | 17.4% | 22.4% | 15.8% |
| Single householder, no children | 9.1% | 12.4% | 10.8% |