| | Claremont, IL | Sumner, IL | United States |
| Population | 156 | 2,851 | 329,725,481 |
| Female Population | 50.0% | 14.4% | 50.5% |
| Male Population | 50.0% | 85.6% | 49.5% |
| Median Age | 48.5 | 36.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 173 | 3,180 | 309,327,143 |
| Population - 2000 | 212 | 1,022 | 285,036,114 |
| Population - 1990 | 256 | 1,083 | 251,960,433 |
| Pop. 2000 to Now | -20.8% | 189.7% | 15.6% |
| Pop. 1990 to Now | -34.4% | 173.4% | 30.8% |
| space4 | | | |
| Population Density | 196.7 | 2,078.0 | 93.4 |
| Land Area | 0.8 | 1.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Claremont, IL | Sumner, IL | United States |
| Age 0 to 4 | 1.3% | 3.3% | 5.9% |
| Age 5 to 9 | 5.8% | 1.1% | 6.1% |
| Age 10 to 14 | 4.5% | 2.6% | 6.6% |
| Age 15 to 17 | 9.6% | 1.4% | 3.9% |
| Age 18 to 20 | 5.8% | 2.9% | 4.0% |
| Age 21 to 24 | 0.0% | 9.5% | 5.2% |
| Age 25 to 34 | 7.1% | 26.0% | 13.8% |
| Age 35 to 44 | 12.2% | 21.3% | 12.9% |
| Age 45 to 54 | 16.7% | 13.8% | 12.6% |
| Age 55 to 59 | 12.2% | 6.8% | 6.7% |
| Age 60 to 64 | 3.8% | 5.9% | 6.3% |
| Age 65 to 74 | 12.2% | 4.0% | 9.6% |
| Age 75 to 84 | 6.4% | 1.1% | 4.5% |
| Age 85 and over | 2.6% | 0.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Claremont, IL | Sumner, IL | United States |
| White | 96.2% | 43.4% | 59.4% |
| Black | 0.0% | 42.0% | 12.2% |
| Asian | 1.9% | 0.4% | 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 | 0.0% | 0.6% | 3.2% |
| Hispanic | 1.9% | 13.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Claremont, IL | Sumner, IL | United States |
| Married Population | 30.4% | 26.5% | 49.8% |
| Currently Married | 30.4% | 24.5% | 48.0% |
| Married but Separated | 0.0% | 2.1% | 1.8% |
| Single Population | 69.6% | 73.5% | 50.2% |
| Never Married | 26.1% | 59.4% | 33.8% |
| Divorced | 34.8% | 12.1% | 10.8% |
| Widowed | 8.7% | 2.0% | 5.6% |
| space5 | | | |
| Household Size | 2.17 | 2.69 | 2.60 |
| Households | 72 | 271 | 124,010,992 |
| Family Households | 44 | 167 | 80,755,759 |
| Married couple, w/children | 6.8% | 34.7% | 30.5% |
| Married couple, no children | 40.9% | 30.5% | 42.9% |
| Non Family Households | 28 | 104 | 43,255,233 |
| Single householder, w/children | 38.6% | 29.3% | 15.8% |
| Single householder, no children | 13.6% | 5.4% | 10.8% |