| | Oak Park, IL | Albany, GA | United States |
| Population | 54,100 | 70,748 | 329,725,481 |
| Female Population | 53.0% | 53.6% | 50.5% |
| Male Population | 47.0% | 46.4% | 49.5% |
| Median Age | 39.9 | 34.7 | 38.4 |
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| Population - 2010 | 51,896 | 77,421 | 309,327,143 |
| Population - 2000 | 52,524 | 76,939 | 285,036,114 |
| Population - 1990 | 53,648 | 78,122 | 251,960,433 |
| Pop. 2000 to Now | -1.3% | -7.9% | 15.6% |
| Pop. 1990 to Now | -3.4% | -9.3% | 30.8% |
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| Population Density | 11,510.6 | 1,284.8 | 93.4 |
| Land Area | 4.7 | 55.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.8 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Oak Park, IL | Albany, GA | United States |
| Age 0 to 4 | 5.3% | 6.4% | 5.9% |
| Age 5 to 9 | 7.3% | 6.5% | 6.1% |
| Age 10 to 14 | 7.0% | 7.1% | 6.6% |
| Age 15 to 17 | 4.4% | 3.7% | 3.9% |
| Age 18 to 20 | 2.5% | 6.0% | 4.0% |
| Age 21 to 24 | 3.5% | 6.5% | 5.2% |
| Age 25 to 34 | 12.3% | 14.4% | 13.8% |
| Age 35 to 44 | 15.2% | 11.5% | 12.9% |
| Age 45 to 54 | 14.8% | 10.5% | 12.6% |
| Age 55 to 59 | 5.8% | 5.7% | 6.7% |
| Age 60 to 64 | 6.0% | 6.2% | 6.3% |
| Age 65 to 74 | 9.7% | 9.4% | 9.6% |
| Age 75 to 84 | 4.6% | 4.0% | 4.5% |
| Age 85 and over | 1.5% | 2.0% | 1.9% |
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| Race | | | |
| | Oak Park, IL | Albany, GA | United States |
| White | 60.4% | 20.3% | 59.4% |
| Black | 18.2% | 74.2% | 12.2% |
| Asian | 5.3% | 0.7% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 0.2% | 0.4% |
| Two or More Races | 5.5% | 2.1% | 3.2% |
| Hispanic | 9.9% | 2.4% | 18.4% |
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| Marriage & Family | | | |
| | Oak Park, IL | Albany, GA | United States |
| Married Population | 49.8% | 31.6% | 49.8% |
| Currently Married | 49.1% | 27.5% | 48.0% |
| Married but Separated | 0.7% | 4.2% | 1.8% |
| Single Population | 50.2% | 68.4% | 50.2% |
| Never Married | 35.9% | 46.5% | 33.8% |
| Divorced | 9.6% | 15.0% | 10.8% |
| Widowed | 4.6% | 6.9% | 5.6% |
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| Household Size | 2.35 | 2.35 | 2.60 |
| Households | 22,793 | 28,308 | 124,010,992 |
| Family Households | 13,227 | 15,782 | 80,755,759 |
| Married couple, w/children | 38.8% | 14.2% | 30.5% |
| Married couple, no children | 38.4% | 30.4% | 42.9% |
| Non Family Households | 9,566 | 12,526 | 43,255,233 |
| Single householder, w/children | 13.6% | 37.3% | 15.8% |
| Single householder, no children | 9.2% | 18.1% | 10.8% |