| | Killeen, TX | Minneapolis, MN | United States |
| Population | 150,082 | 425,091 | 329,725,481 |
| Female Population | 50.8% | 49.3% | 50.5% |
| Male Population | 49.2% | 50.7% | 49.5% |
| Median Age | 29.6 | 32.7 | 38.4 |
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| Population - 2010 | 129,020 | 383,078 | 309,327,143 |
| Population - 2000 | 86,911 | 382,618 | 285,036,114 |
| Population - 1990 | 63,535 | 368,383 | 251,960,433 |
| Pop. 2000 to Now | 77.2% | 13.2% | 15.6% |
| Pop. 1990 to Now | 142.4% | 17.6% | 30.8% |
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| Population Density | 2,755.1 | 7,871.9 | 93.4 |
| Land Area | 54.5 | 54.0 | 3,531,905.4 |
| Water Area | 0.7 | 3.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Killeen, TX | Minneapolis, MN | United States |
| Age 0 to 4 | 9.7% | 6.0% | 5.9% |
| Age 5 to 9 | 7.9% | 5.7% | 6.1% |
| Age 10 to 14 | 7.9% | 5.2% | 6.6% |
| Age 15 to 17 | 4.4% | 2.8% | 3.9% |
| Age 18 to 20 | 3.9% | 5.5% | 4.0% |
| Age 21 to 24 | 6.9% | 7.8% | 5.2% |
| Age 25 to 34 | 18.8% | 21.7% | 13.8% |
| Age 35 to 44 | 14.1% | 14.6% | 12.9% |
| Age 45 to 54 | 10.6% | 10.5% | 12.6% |
| Age 55 to 59 | 4.7% | 5.3% | 6.7% |
| Age 60 to 64 | 4.0% | 4.7% | 6.3% |
| Age 65 to 74 | 4.8% | 6.6% | 9.6% |
| Age 75 to 84 | 1.6% | 2.5% | 4.5% |
| Age 85 and over | 0.6% | 1.1% | 1.9% |
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| Race | | | |
| | Killeen, TX | Minneapolis, MN | United States |
| White | 26.2% | 60.1% | 59.4% |
| Black | 34.9% | 18.2% | 12.2% |
| Asian | 4.0% | 5.6% | 5.6% |
| Native American | 0.3% | 1.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.9% | 0.0% | 0.2% |
| Other | 0.3% | 0.5% | 0.4% |
| Two or More Races | 5.8% | 4.7% | 3.2% |
| Hispanic | 27.7% | 9.8% | 18.4% |
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| Marriage & Family | | | |
| | Killeen, TX | Minneapolis, MN | United States |
| Married Population | 50.8% | 35.7% | 49.8% |
| Currently Married | 48.1% | 34.3% | 48.0% |
| Married but Separated | 2.6% | 1.4% | 1.8% |
| Single Population | 49.2% | 64.3% | 50.2% |
| Never Married | 33.9% | 51.2% | 33.8% |
| Divorced | 10.7% | 10.1% | 10.8% |
| Widowed | 4.6% | 3.0% | 5.6% |
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| Household Size | 2.69 | 2.24 | 2.60 |
| Households | 55,759 | 182,419 | 124,010,992 |
| Family Households | 37,111 | 79,362 | 80,755,759 |
| Married couple, w/children | 32.0% | 30.6% | 30.5% |
| Married couple, no children | 32.9% | 39.3% | 42.9% |
| Non Family Households | 18,648 | 103,057 | 43,255,233 |
| Single householder, w/children | 27.2% | 19.7% | 15.8% |
| Single householder, no children | 8.0% | 10.4% | 10.8% |