| | Oreana, IL | Benton, TN | United States |
| Population | 1,105 | 1,436 | 329,725,481 |
| Female Population | 53.4% | 47.8% | 50.5% |
| Male Population | 46.6% | 52.2% | 49.5% |
| Median Age | 34.2 | 38.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 878 | 1,372 | 309,327,143 |
| Population - 2000 | 892 | 1,138 | 285,036,114 |
| Population - 1990 | 847 | 992 | 251,960,433 |
| Pop. 2000 to Now | -9.9% | 9.6% | 15.6% |
| Pop. 1990 to Now | -5.1% | 25.7% | 30.8% |
| space4 | | | |
| Population Density | 2,361.1 | 473.5 | 93.4 |
| Land Area | 0.5 | 3.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Oreana, IL | Benton, TN | United States |
| Age 0 to 4 | 12.9% | 8.6% | 5.9% |
| Age 5 to 9 | 4.2% | 4.4% | 6.1% |
| Age 10 to 14 | 8.8% | 3.1% | 6.6% |
| Age 15 to 17 | 4.2% | 1.5% | 3.9% |
| Age 18 to 20 | 3.3% | 3.8% | 4.0% |
| Age 21 to 24 | 2.4% | 8.8% | 5.2% |
| Age 25 to 34 | 17.2% | 14.9% | 13.8% |
| Age 35 to 44 | 10.3% | 10.4% | 12.9% |
| Age 45 to 54 | 12.9% | 11.4% | 12.6% |
| Age 55 to 59 | 4.8% | 9.7% | 6.7% |
| Age 60 to 64 | 4.9% | 5.0% | 6.3% |
| Age 65 to 74 | 9.0% | 12.0% | 9.6% |
| Age 75 to 84 | 5.1% | 5.6% | 4.5% |
| Age 85 and over | 0.3% | 0.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Oreana, IL | Benton, TN | United States |
| White | 83.8% | 92.0% | 59.4% |
| Black | 3.0% | 4.2% | 12.2% |
| Asian | 8.1% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.2% | 2.7% | 3.2% |
| Hispanic | 2.0% | 1.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Oreana, IL | Benton, TN | United States |
| Married Population | 68.7% | 52.0% | 49.8% |
| Currently Married | 68.7% | 48.0% | 48.0% |
| Married but Separated | 0.0% | 4.1% | 1.8% |
| Single Population | 31.3% | 48.0% | 50.2% |
| Never Married | 18.2% | 22.3% | 33.8% |
| Divorced | 9.5% | 18.6% | 10.8% |
| Widowed | 3.7% | 7.1% | 5.6% |
| space5 | | | |
| Household Size | 2.79 | 2.28 | 2.60 |
| Households | 396 | 564 | 124,010,992 |
| Family Households | 322 | 372 | 80,755,759 |
| Married couple, w/children | 43.8% | 18.3% | 30.5% |
| Married couple, no children | 48.4% | 52.2% | 42.9% |
| Non Family Households | 74 | 192 | 43,255,233 |
| Single householder, w/children | 5.9% | 15.3% | 15.8% |
| Single householder, no children | 1.9% | 14.2% | 10.8% |