| | Schiller Park, IL | Franklin Park, IL | United States |
| Population | 11,680 | 18,435 | 329,725,481 |
| Female Population | 48.0% | 51.5% | 50.5% |
| Male Population | 52.0% | 48.5% | 49.5% |
| Median Age | 38.2 | 38.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 11,800 | 18,325 | 309,327,143 |
| Population - 2000 | 11,850 | 19,434 | 285,036,114 |
| Population - 1990 | 11,189 | 18,485 | 251,960,433 |
| Pop. 2000 to Now | -5.0% | -10.5% | 15.6% |
| Pop. 1990 to Now | 0.7% | -5.9% | 30.8% |
| space4 | | | |
| Population Density | 4,216.6 | 3,862.4 | 93.4 |
| Land Area | 2.8 | 4.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Schiller Park, IL | Franklin Park, IL | United States |
| Age 0 to 4 | 5.8% | 4.4% | 5.9% |
| Age 5 to 9 | 7.6% | 7.0% | 6.1% |
| Age 10 to 14 | 8.6% | 8.7% | 6.6% |
| Age 15 to 17 | 2.8% | 3.7% | 3.9% |
| Age 18 to 20 | 3.1% | 4.4% | 4.0% |
| Age 21 to 24 | 4.0% | 4.6% | 5.2% |
| Age 25 to 34 | 13.2% | 14.3% | 13.8% |
| Age 35 to 44 | 13.7% | 13.9% | 12.9% |
| Age 45 to 54 | 11.1% | 12.9% | 12.6% |
| Age 55 to 59 | 8.9% | 6.6% | 6.7% |
| Age 60 to 64 | 6.0% | 7.0% | 6.3% |
| Age 65 to 74 | 10.3% | 8.1% | 9.6% |
| Age 75 to 84 | 3.6% | 3.3% | 4.5% |
| Age 85 and over | 1.3% | 1.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Schiller Park, IL | Franklin Park, IL | United States |
| White | 60.5% | 40.4% | 59.4% |
| Black | 1.6% | 0.1% | 12.2% |
| Asian | 7.8% | 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 | 1.0% | 1.6% | 3.2% |
| Hispanic | 29.0% | 55.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Schiller Park, IL | Franklin Park, IL | United States |
| Married Population | 54.7% | 47.6% | 49.8% |
| Currently Married | 52.3% | 44.6% | 48.0% |
| Married but Separated | 2.4% | 3.0% | 1.8% |
| Single Population | 45.3% | 52.4% | 50.2% |
| Never Married | 34.0% | 41.3% | 33.8% |
| Divorced | 7.0% | 7.6% | 10.8% |
| Widowed | 4.3% | 3.5% | 5.6% |
| space5 | | | |
| Household Size | 2.72 | 3.11 | 2.60 |
| Households | 4,299 | 5,915 | 124,010,992 |
| Family Households | 3,004 | 4,349 | 80,755,759 |
| Married couple, w/children | 28.7% | 29.1% | 30.5% |
| Married couple, no children | 40.6% | 36.3% | 42.9% |
| Non Family Households | 1,295 | 1,566 | 43,255,233 |
| Single householder, w/children | 11.6% | 19.9% | 15.8% |
| Single householder, no children | 19.1% | 14.8% | 10.8% |