| | Woodstock, IL | Franklin Park, IL | United States |
| Population | 25,829 | 18,435 | 329,725,481 |
| Female Population | 50.5% | 51.5% | 50.5% |
| Male Population | 49.5% | 48.5% | 49.5% |
| Median Age | 36.9 | 38.3 | 38.4 |
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| Population - 2010 | 24,854 | 18,325 | 309,327,143 |
| Population - 2000 | 20,151 | 19,434 | 285,036,114 |
| Population - 1990 | 14,353 | 18,485 | 251,960,433 |
| Pop. 2000 to Now | 24.5% | -10.5% | 15.6% |
| Pop. 1990 to Now | 74.9% | -5.9% | 30.8% |
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| Population Density | 1,909.3 | 3,862.4 | 93.4 |
| Land Area | 13.5 | 4.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Woodstock, IL | Franklin Park, IL | United States |
| Age 0 to 4 | 5.9% | 4.4% | 5.9% |
| Age 5 to 9 | 6.2% | 7.0% | 6.1% |
| Age 10 to 14 | 5.7% | 8.7% | 6.6% |
| Age 15 to 17 | 4.7% | 3.7% | 3.9% |
| Age 18 to 20 | 3.9% | 4.4% | 4.0% |
| Age 21 to 24 | 7.8% | 4.6% | 5.2% |
| Age 25 to 34 | 13.2% | 14.3% | 13.8% |
| Age 35 to 44 | 12.3% | 13.9% | 12.9% |
| Age 45 to 54 | 14.1% | 12.9% | 12.6% |
| Age 55 to 59 | 6.6% | 6.6% | 6.7% |
| Age 60 to 64 | 5.7% | 7.0% | 6.3% |
| Age 65 to 74 | 7.5% | 8.1% | 9.6% |
| Age 75 to 84 | 3.4% | 3.3% | 4.5% |
| Age 85 and over | 3.0% | 1.2% | 1.9% |
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| Race | | | |
| | Woodstock, IL | Franklin Park, IL | United States |
| White | 71.5% | 40.4% | 59.4% |
| Black | 1.8% | 0.1% | 12.2% |
| Asian | 1.9% | 2.7% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 2.4% | 1.6% | 3.2% |
| Hispanic | 22.3% | 55.1% | 18.4% |
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| Marriage & Family | | | |
| | Woodstock, IL | Franklin Park, IL | United States |
| Married Population | 48.7% | 47.6% | 49.8% |
| Currently Married | 47.5% | 44.6% | 48.0% |
| Married but Separated | 1.3% | 3.0% | 1.8% |
| Single Population | 51.3% | 52.4% | 50.2% |
| Never Married | 33.1% | 41.3% | 33.8% |
| Divorced | 13.0% | 7.6% | 10.8% |
| Widowed | 5.3% | 3.5% | 5.6% |
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| Household Size | 2.52 | 3.11 | 2.60 |
| Households | 9,891 | 5,915 | 124,010,992 |
| Family Households | 7,170 | 4,349 | 80,755,759 |
| Married couple, w/children | 28.0% | 29.1% | 30.5% |
| Married couple, no children | 38.2% | 36.3% | 42.9% |
| Non Family Households | 2,721 | 1,566 | 43,255,233 |
| Single householder, w/children | 17.8% | 19.9% | 15.8% |
| Single householder, no children | 16.1% | 14.8% | 10.8% |