| | Columbus, OH | La Porte, IN | United States |
| Population | 898,143 | 21,993 | 329,725,481 |
| Female Population | 51.0% | 52.4% | 50.5% |
| Male Population | 49.0% | 47.6% | 49.5% |
| Median Age | 32.5 | 36.3 | 38.4 |
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| Population - 2010 | 790,942 | 22,034 | 309,327,143 |
| Population - 2000 | 711,470 | 21,621 | 285,036,114 |
| Population - 1990 | 632,910 | 21,507 | 251,960,433 |
| Pop. 2000 to Now | 27.0% | -0.8% | 15.6% |
| Pop. 1990 to Now | 42.8% | -0.3% | 30.8% |
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| Population Density | 4,104.9 | 1,888.8 | 93.4 |
| Land Area | 218.8 | 11.6 | 3,531,905.4 |
| Water Area | 5.9 | 0.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Columbus, OH | La Porte, IN | United States |
| Age 0 to 4 | 7.0% | 7.7% | 5.9% |
| Age 5 to 9 | 6.3% | 6.0% | 6.1% |
| Age 10 to 14 | 5.8% | 6.7% | 6.6% |
| Age 15 to 17 | 3.2% | 5.0% | 3.9% |
| Age 18 to 20 | 4.8% | 3.5% | 4.0% |
| Age 21 to 24 | 6.6% | 6.7% | 5.2% |
| Age 25 to 34 | 20.7% | 12.3% | 13.8% |
| Age 35 to 44 | 13.4% | 12.1% | 12.9% |
| Age 45 to 54 | 11.1% | 12.2% | 12.6% |
| Age 55 to 59 | 5.4% | 7.8% | 6.7% |
| Age 60 to 64 | 5.2% | 5.3% | 6.3% |
| Age 65 to 74 | 6.5% | 8.5% | 9.6% |
| Age 75 to 84 | 2.7% | 3.9% | 4.5% |
| Age 85 and over | 1.2% | 2.4% | 1.9% |
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| Race | | | |
| | Columbus, OH | La Porte, IN | United States |
| White | 53.8% | 79.0% | 59.4% |
| Black | 29.0% | 3.6% | 12.2% |
| Asian | 5.9% | 0.2% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.0% | 0.4% |
| Two or More Races | 4.4% | 5.1% | 3.2% |
| Hispanic | 6.5% | 12.0% | 18.4% |
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| Marriage & Family | | | |
| | Columbus, OH | La Porte, IN | United States |
| Married Population | 38.8% | 42.3% | 49.8% |
| Currently Married | 36.7% | 41.1% | 48.0% |
| Married but Separated | 2.1% | 1.2% | 1.8% |
| Single Population | 61.2% | 57.7% | 50.2% |
| Never Married | 45.4% | 34.0% | 33.8% |
| Divorced | 11.6% | 16.1% | 10.8% |
| Widowed | 4.2% | 7.6% | 5.6% |
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| Household Size | 2.32 | 2.29 | 2.60 |
| Households | 377,648 | 9,319 | 124,010,992 |
| Family Households | 198,562 | 5,434 | 80,755,759 |
| Married couple, w/children | 26.6% | 25.7% | 30.5% |
| Married couple, no children | 34.6% | 36.5% | 42.9% |
| Non Family Households | 179,086 | 3,885 | 43,255,233 |
| Single householder, w/children | 25.7% | 25.8% | 15.8% |
| Single householder, no children | 13.1% | 12.1% | 10.8% |