| | Washington, IL | Edgewater, FL | United States |
| Population | 16,008 | 22,952 | 329,725,481 |
| Female Population | 51.6% | 53.1% | 50.5% |
| Male Population | 48.4% | 46.9% | 49.5% |
| Median Age | 37.4 | 55.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 15,277 | 21,798 | 309,327,143 |
| Population - 2000 | 10,841 | 18,668 | 285,036,114 |
| Population - 1990 | 10,099 | 15,337 | 251,960,433 |
| Pop. 2000 to Now | 51.2% | 29.4% | 15.6% |
| Pop. 1990 to Now | 62.3% | 57.5% | 30.8% |
| space4 | | | |
| Population Density | 1,892.4 | 1,023.3 | 93.4 |
| Land Area | 8.5 | 22.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Washington, IL | Edgewater, FL | United States |
| Age 0 to 4 | 5.9% | 3.9% | 5.9% |
| Age 5 to 9 | 9.6% | 3.2% | 6.1% |
| Age 10 to 14 | 9.3% | 4.3% | 6.6% |
| Age 15 to 17 | 5.5% | 1.9% | 3.9% |
| Age 18 to 20 | 3.3% | 1.8% | 4.0% |
| Age 21 to 24 | 2.1% | 2.5% | 5.2% |
| Age 25 to 34 | 11.7% | 12.5% | 13.8% |
| Age 35 to 44 | 14.7% | 8.1% | 12.9% |
| Age 45 to 54 | 11.3% | 11.3% | 12.6% |
| Age 55 to 59 | 5.1% | 7.7% | 6.7% |
| Age 60 to 64 | 6.0% | 10.6% | 6.3% |
| Age 65 to 74 | 7.9% | 18.3% | 9.6% |
| Age 75 to 84 | 5.1% | 10.2% | 4.5% |
| Age 85 and over | 2.6% | 3.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Washington, IL | Edgewater, FL | United States |
| White | 94.4% | 88.5% | 59.4% |
| Black | 0.6% | 2.2% | 12.2% |
| Asian | 1.2% | 1.4% | 5.6% |
| Native American | 0.0% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.1% | 0.4% |
| Two or More Races | 1.3% | 2.5% | 3.2% |
| Hispanic | 2.4% | 5.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Washington, IL | Edgewater, FL | United States |
| Married Population | 60.2% | 51.3% | 49.8% |
| Currently Married | 59.1% | 50.5% | 48.0% |
| Married but Separated | 1.1% | 0.8% | 1.8% |
| Single Population | 39.8% | 48.7% | 50.2% |
| Never Married | 23.9% | 20.0% | 33.8% |
| Divorced | 7.7% | 18.2% | 10.8% |
| Widowed | 8.2% | 10.5% | 5.6% |
| space5 | | | |
| Household Size | 2.65 | 2.14 | 2.60 |
| Households | 6,013 | 10,744 | 124,010,992 |
| Family Households | 4,178 | 6,289 | 80,755,759 |
| Married couple, w/children | 40.0% | 15.7% | 30.5% |
| Married couple, no children | 42.3% | 59.9% | 42.9% |
| Non Family Households | 1,835 | 4,455 | 43,255,233 |
| Single householder, w/children | 12.4% | 10.4% | 15.8% |
| Single householder, no children | 5.4% | 14.1% | 10.8% |