| | Columbus, IN | Foley, AL | United States |
| Population | 50,718 | 20,170 | 329,725,481 |
| Female Population | 49.3% | 54.1% | 50.5% |
| Male Population | 50.7% | 45.9% | 49.5% |
| Median Age | 35.7 | 52.9 | 38.4 |
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| Population - 2010 | 44,110 | 15,434 | 309,327,143 |
| Population - 2000 | 39,059 | 7,590 | 285,036,114 |
| Population - 1990 | 31,802 | 4,937 | 251,960,433 |
| Pop. 2000 to Now | 24.0% | 182.6% | 15.6% |
| Pop. 1990 to Now | 52.3% | 334.4% | 30.8% |
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| Population Density | 1,809.6 | 626.2 | 93.4 |
| Land Area | 28.0 | 32.2 | 3,531,905.4 |
| Water Area | 0.4 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Columbus, IN | Foley, AL | United States |
| Age 0 to 4 | 7.2% | 2.1% | 5.9% |
| Age 5 to 9 | 7.0% | 2.7% | 6.1% |
| Age 10 to 14 | 6.1% | 5.5% | 6.6% |
| Age 15 to 17 | 3.6% | 4.5% | 3.9% |
| Age 18 to 20 | 3.1% | 2.4% | 4.0% |
| Age 21 to 24 | 5.5% | 3.6% | 5.2% |
| Age 25 to 34 | 16.1% | 12.4% | 13.8% |
| Age 35 to 44 | 13.0% | 8.0% | 12.9% |
| Age 45 to 54 | 11.5% | 11.4% | 12.6% |
| Age 55 to 59 | 6.2% | 8.0% | 6.7% |
| Age 60 to 64 | 5.2% | 8.9% | 6.3% |
| Age 65 to 74 | 8.8% | 15.3% | 9.6% |
| Age 75 to 84 | 4.9% | 11.1% | 4.5% |
| Age 85 and over | 1.7% | 4.3% | 1.9% |
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| Race | | | |
| | Columbus, IN | Foley, AL | United States |
| White | 74.7% | 78.5% | 59.4% |
| Black | 2.1% | 8.1% | 12.2% |
| Asian | 12.5% | 1.1% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 2.8% | 0.4% |
| Two or More Races | 2.3% | 0.9% | 3.2% |
| Hispanic | 7.9% | 8.7% | 18.4% |
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| Marriage & Family | | | |
| | Columbus, IN | Foley, AL | United States |
| Married Population | 53.5% | 48.7% | 49.8% |
| Currently Married | 52.5% | 47.5% | 48.0% |
| Married but Separated | 1.0% | 1.1% | 1.8% |
| Single Population | 46.5% | 51.3% | 50.2% |
| Never Married | 29.4% | 26.5% | 33.8% |
| Divorced | 11.6% | 13.6% | 10.8% |
| Widowed | 5.4% | 11.2% | 5.6% |
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| Household Size | 2.41 | 2.16 | 2.60 |
| Households | 20,717 | 9,243 | 124,010,992 |
| Family Households | 12,800 | 5,249 | 80,755,759 |
| Married couple, w/children | 36.0% | 18.3% | 30.5% |
| Married couple, no children | 41.3% | 61.8% | 42.9% |
| Non Family Households | 7,917 | 3,994 | 43,255,233 |
| Single householder, w/children | 14.1% | 6.0% | 15.8% |
| Single householder, no children | 8.7% | 13.9% | 10.8% |