| | Adrian, MO | Ste. Genevieve, MO | United States |
| Population | 2,258 | 4,595 | 329,725,481 |
| Female Population | 54.4% | 48.2% | 50.5% |
| Male Population | 45.6% | 51.8% | 49.5% |
| Median Age | 37.6 | 48.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,678 | 4,410 | 309,327,143 |
| Population - 2000 | 1,780 | 4,476 | 285,036,114 |
| Population - 1990 | 1,582 | 4,411 | 251,960,433 |
| Pop. 2000 to Now | -10.1% | -1.6% | 15.6% |
| Pop. 1990 to Now | 1.2% | -0.1% | 30.8% |
| space4 | | | |
| Population Density | 1,079.9 | 1,118.6 | 93.4 |
| Land Area | 2.1 | 4.1 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Adrian, MO | Ste. Genevieve, MO | United States |
| Age 0 to 4 | 5.7% | 3.5% | 5.9% |
| Age 5 to 9 | 7.4% | 5.1% | 6.1% |
| Age 10 to 14 | 8.7% | 6.6% | 6.6% |
| Age 15 to 17 | 4.3% | 2.1% | 3.9% |
| Age 18 to 20 | 4.9% | 1.0% | 4.0% |
| Age 21 to 24 | 5.5% | 5.0% | 5.2% |
| Age 25 to 34 | 7.3% | 14.3% | 13.8% |
| Age 35 to 44 | 15.4% | 11.0% | 12.9% |
| Age 45 to 54 | 10.1% | 7.9% | 12.6% |
| Age 55 to 59 | 9.3% | 8.1% | 6.7% |
| Age 60 to 64 | 3.5% | 10.5% | 6.3% |
| Age 65 to 74 | 8.5% | 12.3% | 9.6% |
| Age 75 to 84 | 7.8% | 8.7% | 4.5% |
| Age 85 and over | 1.8% | 4.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Adrian, MO | Ste. Genevieve, MO | United States |
| White | 90.7% | 89.0% | 59.4% |
| Black | 2.8% | 2.4% | 12.2% |
| Asian | 0.0% | 1.9% | 5.6% |
| Native American | 0.7% | 1.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.0% | 4.5% | 3.2% |
| Hispanic | 1.8% | 0.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Adrian, MO | Ste. Genevieve, MO | United States |
| Married Population | 46.9% | 61.4% | 49.8% |
| Currently Married | 41.0% | 58.9% | 48.0% |
| Married but Separated | 5.9% | 2.4% | 1.8% |
| Single Population | 53.1% | 38.6% | 50.2% |
| Never Married | 28.9% | 25.3% | 33.8% |
| Divorced | 17.7% | 8.4% | 10.8% |
| Widowed | 6.5% | 4.9% | 5.6% |
| space5 | | | |
| Household Size | 2.56 | 2.29 | 2.60 |
| Households | 857 | 1,870 | 124,010,992 |
| Family Households | 547 | 1,169 | 80,755,759 |
| Married couple, w/children | 22.3% | 26.9% | 30.5% |
| Married couple, no children | 38.8% | 61.8% | 42.9% |
| Non Family Households | 310 | 701 | 43,255,233 |
| Single householder, w/children | 32.0% | 8.7% | 15.8% |
| Single householder, no children | 6.9% | 2.6% | 10.8% |