| | Warrenton, MO | Eudora, KS | United States |
| Population | 8,450 | 6,457 | 329,725,481 |
| Female Population | 55.3% | 49.3% | 50.5% |
| Male Population | 44.7% | 50.8% | 49.5% |
| Median Age | 33.2 | 37.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 7,928 | 6,155 | 309,327,143 |
| Population - 2000 | 5,281 | 4,307 | 285,036,114 |
| Population - 1990 | 3,564 | 3,006 | 251,960,433 |
| Pop. 2000 to Now | 68.8% | 48.4% | 15.6% |
| Pop. 1990 to Now | 150.1% | 112.7% | 30.8% |
| space4 | | | |
| Population Density | 983.8 | 2,191.0 | 93.4 |
| Land Area | 8.6 | 2.9 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Warrenton, MO | Eudora, KS | United States |
| Age 0 to 4 | 7.5% | 5.3% | 5.9% |
| Age 5 to 9 | 6.7% | 7.5% | 6.1% |
| Age 10 to 14 | 10.8% | 7.4% | 6.6% |
| Age 15 to 17 | 3.7% | 6.0% | 3.9% |
| Age 18 to 20 | 3.0% | 2.4% | 4.0% |
| Age 21 to 24 | 5.5% | 4.8% | 5.2% |
| Age 25 to 34 | 15.5% | 13.5% | 13.8% |
| Age 35 to 44 | 13.0% | 17.2% | 12.9% |
| Age 45 to 54 | 10.8% | 7.9% | 12.6% |
| Age 55 to 59 | 4.0% | 11.3% | 6.7% |
| Age 60 to 64 | 4.2% | 8.5% | 6.3% |
| Age 65 to 74 | 5.9% | 4.7% | 9.6% |
| Age 75 to 84 | 6.3% | 1.9% | 4.5% |
| Age 85 and over | 3.1% | 1.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Warrenton, MO | Eudora, KS | United States |
| White | 88.6% | 84.6% | 59.4% |
| Black | 1.3% | 0.3% | 12.2% |
| Asian | 0.5% | 0.7% | 5.6% |
| Native American | 0.0% | 1.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.7% | 3.0% | 3.2% |
| Hispanic | 5.8% | 10.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Warrenton, MO | Eudora, KS | United States |
| Married Population | 45.7% | 60.1% | 49.8% |
| Currently Married | 43.2% | 58.7% | 48.0% |
| Married but Separated | 2.4% | 1.4% | 1.8% |
| Single Population | 54.3% | 39.9% | 50.2% |
| Never Married | 32.0% | 26.8% | 33.8% |
| Divorced | 15.2% | 10.1% | 10.8% |
| Widowed | 7.1% | 3.1% | 5.6% |
| space5 | | | |
| Household Size | 2.62 | 2.83 | 2.60 |
| Households | 3,131 | 2,262 | 124,010,992 |
| Family Households | 2,033 | 1,790 | 80,755,759 |
| Married couple, w/children | 31.0% | 40.2% | 30.5% |
| Married couple, no children | 36.5% | 39.5% | 42.9% |
| Non Family Households | 1,098 | 472 | 43,255,233 |
| Single householder, w/children | 19.0% | 11.1% | 15.8% |
| Single householder, no children | 13.5% | 9.2% | 10.8% |