| | Rockdale, IL | Channahon, IL | United States |
| Population | 2,476 | 13,694 | 329,725,481 |
| Female Population | 50.6% | 52.1% | 50.5% |
| Male Population | 49.4% | 47.9% | 49.5% |
| Median Age | 30.8 | 37.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,985 | 12,596 | 309,327,143 |
| Population - 2000 | 1,888 | 7,344 | 285,036,114 |
| Population - 1990 | 1,709 | 4,266 | 251,960,433 |
| Pop. 2000 to Now | -0.2% | 82.6% | 15.6% |
| Pop. 1990 to Now | 10.2% | 214.3% | 30.8% |
| space4 | | | |
| Population Density | 3,098.9 | 865.2 | 93.4 |
| Land Area | 0.8 | 15.8 | 3,531,905.4 |
| Water Area | 0.0 | 1.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Rockdale, IL | Channahon, IL | United States |
| Age 0 to 4 | 8.7% | 6.7% | 5.9% |
| Age 5 to 9 | 5.7% | 6.7% | 6.1% |
| Age 10 to 14 | 5.8% | 8.5% | 6.6% |
| Age 15 to 17 | 1.8% | 5.5% | 3.9% |
| Age 18 to 20 | 5.8% | 4.5% | 4.0% |
| Age 21 to 24 | 9.6% | 5.4% | 5.2% |
| Age 25 to 34 | 17.5% | 9.9% | 13.8% |
| Age 35 to 44 | 9.3% | 12.3% | 12.9% |
| Age 45 to 54 | 11.7% | 15.1% | 12.6% |
| Age 55 to 59 | 7.0% | 5.5% | 6.7% |
| Age 60 to 64 | 6.4% | 6.6% | 6.3% |
| Age 65 to 74 | 6.1% | 9.1% | 9.6% |
| Age 75 to 84 | 4.2% | 3.5% | 4.5% |
| Age 85 and over | 0.3% | 0.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Rockdale, IL | Channahon, IL | United States |
| White | 47.5% | 85.6% | 59.4% |
| Black | 4.8% | 2.1% | 12.2% |
| Asian | 0.8% | 0.1% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.4% | 1.3% | 3.2% |
| Hispanic | 42.5% | 10.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Rockdale, IL | Channahon, IL | United States |
| Married Population | 36.5% | 64.1% | 49.8% |
| Currently Married | 34.9% | 63.7% | 48.0% |
| Married but Separated | 1.7% | 0.4% | 1.8% |
| Single Population | 63.5% | 35.9% | 50.2% |
| Never Married | 48.2% | 25.3% | 33.8% |
| Divorced | 9.9% | 7.8% | 10.8% |
| Widowed | 5.4% | 2.8% | 5.6% |
| space5 | | | |
| Household Size | 2.85 | 3.15 | 2.60 |
| Households | 868 | 4,342 | 124,010,992 |
| Family Households | 569 | 3,665 | 80,755,759 |
| Married couple, w/children | 19.7% | 42.8% | 30.5% |
| Married couple, no children | 33.4% | 45.8% | 42.9% |
| Non Family Households | 299 | 677 | 43,255,233 |
| Single householder, w/children | 34.6% | 7.7% | 15.8% |
| Single householder, no children | 12.3% | 3.7% | 10.8% |