| | Elvaston, IL | United States, IL |
| Population | 193 | 329,725,481 |
| Female Population | 40.4% | 50.5% |
| Male Population | 59.6% | 49.5% |
| Median Age | 46.2 | 38.4 |
| space3 | | |
| Population - 2010 | 165 | 309,327,143 |
| Population - 2000 | 152 | 285,036,114 |
| Population - 1990 | 198 | 251,960,433 |
| Pop. 2000 to Now | 0.0% | 15.6% |
| Pop. 1990 to Now | -23.2% | 30.8% |
| space4 | | |
| Population Density | 241.6 | 93.4 |
| Land Area | 0.8 | 3,531,905.4 |
| Water Area | 0.0 | 264,836.8 |
| space | | |
| Est. Total Population By Age | | |
| | Elvaston, IL | Elvaston, IL |
| Age 0 to 4 | 4.1% | 5.9% |
| Age 5 to 9 | 11.4% | 6.1% |
| Age 10 to 14 | 2.6% | 6.6% |
| Age 15 to 17 | 1.0% | 3.9% |
| Age 18 to 20 | 0.0% | 4.0% |
| Age 21 to 24 | 9.8% | 5.2% |
| Age 25 to 34 | 11.9% | 13.8% |
| Age 35 to 44 | 7.8% | 12.9% |
| Age 45 to 54 | 21.8% | 12.6% |
| Age 55 to 59 | 11.4% | 6.7% |
| Age 60 to 64 | 6.7% | 6.3% |
| Age 65 to 74 | 6.7% | 9.6% |
| Age 75 to 84 | 4.1% | 4.5% |
| Age 85 and over | 0.5% | 1.9% |
| space1 | | |
| Race | | |
| | Elvaston, IL | Elvaston, IL |
| White | 89.6% | 59.4% |
| Black | 4.7% | 12.2% |
| Asian | 0.0% | 5.6% |
| Native American | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% |
| Other | 0.0% | 0.4% |
| Two or More Races | 4.7% | 3.2% |
| Hispanic | 1.0% | 18.4% |
| space2 | | |
| Marriage & Family | | |
| | Elvaston, IL | Elvaston, IL |
| Married Population | 33.5% | 49.8% |
| Currently Married | 26.6% | 48.0% |
| Married but Separated | 7.0% | 1.8% |
| Single Population | 66.5% | 50.2% |
| Never Married | 20.9% | 33.8% |
| Divorced | 40.5% | 10.8% |
| Widowed | 5.1% | 5.6% |
| space5 | | |
| Household Size | 2.41 | 2.60 |
| Households | 80 | 124,010,992 |
| Family Households | 43 | 80,755,759 |
| Married couple, w/children | 14.0% | 30.5% |
| Married couple, no children | 30.2% | 42.9% |
| Non Family Households | 37 | 43,255,233 |
| Single householder, w/children | 32.6% | 15.8% |
| Single householder, no children | 23.3% | 10.8% |