| | Milan, MO | United States, MO |
| Population | 2,099 | 329,725,481 |
| Female Population | 55.7% | 50.5% |
| Male Population | 44.3% | 49.5% |
| Median Age | 41.3 | 38.4 |
| space3 | | |
| Population - 2010 | 1,973 | 309,327,143 |
| Population - 2000 | 1,958 | 285,036,114 |
| Population - 1990 | 1,767 | 251,960,433 |
| Pop. 2000 to Now | -9.9% | 15.6% |
| Pop. 1990 to Now | -0.2% | 30.8% |
| space4 | | |
| Population Density | 1,183.9 | 93.4 |
| Land Area | 1.8 | 3,531,905.4 |
| Water Area | 0.0 | 264,836.8 |
| space | | |
| Est. Total Population By Age | | |
| | Milan, MO | Milan, MO |
| Age 0 to 4 | 9.4% | 5.9% |
| Age 5 to 9 | 7.3% | 6.1% |
| Age 10 to 14 | 5.5% | 6.6% |
| Age 15 to 17 | 3.8% | 3.9% |
| Age 18 to 20 | 4.5% | 4.0% |
| Age 21 to 24 | 3.9% | 5.2% |
| Age 25 to 34 | 9.8% | 13.8% |
| Age 35 to 44 | 14.0% | 12.9% |
| Age 45 to 54 | 9.1% | 12.6% |
| Age 55 to 59 | 8.1% | 6.7% |
| Age 60 to 64 | 6.2% | 6.3% |
| Age 65 to 74 | 9.2% | 9.6% |
| Age 75 to 84 | 4.7% | 4.5% |
| Age 85 and over | 4.5% | 1.9% |
| space1 | | |
| Race | | |
| | Milan, MO | Milan, MO |
| White | 46.4% | 59.4% |
| Black | 5.8% | 12.2% |
| Asian | 1.8% | 5.6% |
| Native American | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 1.3% | 0.2% |
| Other | 0.5% | 0.4% |
| Two or More Races | 0.9% | 3.2% |
| Hispanic | 43.4% | 18.4% |
| space2 | | |
| Marriage & Family | | |
| | Milan, MO | Milan, MO |
| Married Population | 44.2% | 49.8% |
| Currently Married | 42.9% | 48.0% |
| Married but Separated | 1.3% | 1.8% |
| Single Population | 55.8% | 50.2% |
| Never Married | 29.8% | 33.8% |
| Divorced | 15.9% | 10.8% |
| Widowed | 10.1% | 5.6% |
| space5 | | |
| Household Size | 2.85 | 2.60 |
| Households | 679 | 124,010,992 |
| Family Households | 372 | 80,755,759 |
| Married couple, w/children | 38.2% | 30.5% |
| Married couple, no children | 37.6% | 42.9% |
| Non Family Households | 307 | 43,255,233 |
| Single householder, w/children | 18.8% | 15.8% |
| Single householder, no children | 5.4% | 10.8% |