| | Newport, ME | Silvis, IL | United States |
| Population | 3,129 | 7,942 | 329,725,481 |
| Female Population | 47.3% | 50.3% | 50.5% |
| Male Population | 52.7% | 49.7% | 49.5% |
| Median Age | 48.6 | 43.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,278 | 7,535 | 309,327,143 |
| Population - 2000 | 3,017 | 7,269 | 285,036,114 |
| Population - 1990 | 3,036 | 6,926 | 251,960,433 |
| Pop. 2000 to Now | 7.7% | 2.8% | 15.6% |
| Pop. 1990 to Now | 7.0% | 7.9% | 30.8% |
| space4 | | | |
| Population Density | 106.1 | 1,856.5 | 93.4 |
| Land Area | 29.5 | 4.3 | 3,531,905.4 |
| Water Area | 7.5 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Newport, ME | Silvis, IL | United States |
| Age 0 to 4 | 5.2% | 5.9% | 5.9% |
| Age 5 to 9 | 1.9% | 5.5% | 6.1% |
| Age 10 to 14 | 6.4% | 6.3% | 6.6% |
| Age 15 to 17 | 4.8% | 3.7% | 3.9% |
| Age 18 to 20 | 1.5% | 1.9% | 4.0% |
| Age 21 to 24 | 2.6% | 4.4% | 5.2% |
| Age 25 to 34 | 7.7% | 11.7% | 13.8% |
| Age 35 to 44 | 12.7% | 13.7% | 12.9% |
| Age 45 to 54 | 16.8% | 9.5% | 12.6% |
| Age 55 to 59 | 6.9% | 8.1% | 6.7% |
| Age 60 to 64 | 9.7% | 7.9% | 6.3% |
| Age 65 to 74 | 11.6% | 12.4% | 9.6% |
| Age 75 to 84 | 5.9% | 5.4% | 4.5% |
| Age 85 and over | 6.2% | 3.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Newport, ME | Silvis, IL | United States |
| White | 97.3% | 72.8% | 59.4% |
| Black | 0.8% | 6.4% | 12.2% |
| Asian | 0.0% | 3.0% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.1% | 2.9% | 3.2% |
| Hispanic | 0.8% | 14.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Newport, ME | Silvis, IL | United States |
| Married Population | 56.0% | 48.9% | 49.8% |
| Currently Married | 55.0% | 47.0% | 48.0% |
| Married but Separated | 1.0% | 1.8% | 1.8% |
| Single Population | 44.0% | 51.1% | 50.2% |
| Never Married | 17.6% | 31.5% | 33.8% |
| Divorced | 17.8% | 12.1% | 10.8% |
| Widowed | 8.6% | 7.5% | 5.6% |
| space5 | | | |
| Household Size | 2.20 | 2.06 | 2.60 |
| Households | 1,425 | 3,859 | 124,010,992 |
| Family Households | 930 | 2,120 | 80,755,759 |
| Married couple, w/children | 27.8% | 19.8% | 30.5% |
| Married couple, no children | 50.3% | 46.9% | 42.9% |
| Non Family Households | 495 | 1,739 | 43,255,233 |
| Single householder, w/children | 13.8% | 17.2% | 15.8% |
| Single householder, no children | 8.1% | 16.1% | 10.8% |