| | Milford, IL | Watseka, IL | United States |
| Population | 1,297 | 4,623 | 329,725,481 |
| Female Population | 53.8% | 55.2% | 50.5% |
| Male Population | 46.2% | 44.8% | 49.5% |
| Median Age | 44.2 | 50.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,318 | 5,286 | 309,327,143 |
| Population - 2000 | 1,369 | 5,670 | 285,036,114 |
| Population - 1990 | 1,512 | 5,424 | 251,960,433 |
| Pop. 2000 to Now | -15.6% | -17.2% | 15.6% |
| Pop. 1990 to Now | -23.6% | -13.5% | 30.8% |
| space4 | | | |
| Population Density | 1,904.6 | 1,497.6 | 93.4 |
| Land Area | 0.7 | 3.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Milford, IL | Watseka, IL | United States |
| Age 0 to 4 | 5.3% | 4.8% | 5.9% |
| Age 5 to 9 | 7.2% | 3.4% | 6.1% |
| Age 10 to 14 | 6.8% | 2.4% | 6.6% |
| Age 15 to 17 | 3.0% | 6.0% | 3.9% |
| Age 18 to 20 | 2.9% | 2.6% | 4.0% |
| Age 21 to 24 | 4.5% | 6.8% | 5.2% |
| Age 25 to 34 | 9.6% | 7.4% | 13.8% |
| Age 35 to 44 | 13.7% | 10.7% | 12.9% |
| Age 45 to 54 | 12.7% | 12.1% | 12.6% |
| Age 55 to 59 | 7.0% | 6.0% | 6.7% |
| Age 60 to 64 | 7.6% | 11.9% | 6.3% |
| Age 65 to 74 | 14.1% | 13.2% | 9.6% |
| Age 75 to 84 | 4.1% | 7.9% | 4.5% |
| Age 85 and over | 1.5% | 4.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Milford, IL | Watseka, IL | United States |
| White | 94.1% | 91.8% | 59.4% |
| Black | 0.5% | 0.7% | 12.2% |
| Asian | 0.0% | 1.1% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.1% | 0.4% |
| Two or More Races | 1.5% | 0.4% | 3.2% |
| Hispanic | 3.9% | 4.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Milford, IL | Watseka, IL | United States |
| Married Population | 50.8% | 39.2% | 49.8% |
| Currently Married | 48.7% | 38.1% | 48.0% |
| Married but Separated | 2.1% | 1.0% | 1.8% |
| Single Population | 49.2% | 60.8% | 50.2% |
| Never Married | 22.2% | 28.4% | 33.8% |
| Divorced | 18.5% | 20.3% | 10.8% |
| Widowed | 8.5% | 12.1% | 5.6% |
| space5 | | | |
| Household Size | 2.34 | 2.09 | 2.60 |
| Households | 554 | 2,143 | 124,010,992 |
| Family Households | 349 | 1,079 | 80,755,759 |
| Married couple, w/children | 21.8% | 18.6% | 30.5% |
| Married couple, no children | 45.3% | 51.9% | 42.9% |
| Non Family Households | 205 | 1,064 | 43,255,233 |
| Single householder, w/children | 20.1% | 14.3% | 15.8% |
| Single householder, no children | 12.9% | 15.2% | 10.8% |