| | Eldon, MO | Stockton, MO | United States |
| Population | 4,399 | 1,880 | 329,725,481 |
| Female Population | 51.4% | 43.0% | 50.5% |
| Male Population | 48.6% | 57.0% | 49.5% |
| Median Age | 37.4 | 49 | 38.4 |
| space3 | | | |
| Population - 2010 | 4,572 | 1,813 | 309,327,143 |
| Population - 2000 | 4,895 | 1,960 | 285,036,114 |
| Population - 1990 | 4,419 | 1,579 | 251,960,433 |
| Pop. 2000 to Now | -3.0% | -1.6% | 15.6% |
| Pop. 1990 to Now | 7.4% | 22.1% | 30.8% |
| space4 | | | |
| Population Density | 1,237.4 | 891.0 | 93.4 |
| Land Area | 3.6 | 2.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Eldon, MO | Stockton, MO | United States |
| Age 0 to 4 | 7.2% | 7.6% | 5.9% |
| Age 5 to 9 | 5.7% | 6.2% | 6.1% |
| Age 10 to 14 | 8.1% | 2.3% | 6.6% |
| Age 15 to 17 | 2.2% | 3.4% | 3.9% |
| Age 18 to 20 | 3.5% | 2.6% | 4.0% |
| Age 21 to 24 | 6.6% | 3.9% | 5.2% |
| Age 25 to 34 | 13.2% | 10.2% | 13.8% |
| Age 35 to 44 | 12.1% | 10.5% | 12.9% |
| Age 45 to 54 | 10.1% | 9.7% | 12.6% |
| Age 55 to 59 | 4.1% | 8.7% | 6.7% |
| Age 60 to 64 | 6.5% | 9.3% | 6.3% |
| Age 65 to 74 | 10.5% | 14.3% | 9.6% |
| Age 75 to 84 | 5.7% | 8.7% | 4.5% |
| Age 85 and over | 4.4% | 2.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Eldon, MO | Stockton, MO | United States |
| White | 96.6% | 94.9% | 59.4% |
| Black | 0.0% | 0.2% | 12.2% |
| Asian | 0.3% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.6% | 2.5% | 3.2% |
| Hispanic | 1.5% | 2.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Eldon, MO | Stockton, MO | United States |
| Married Population | 45.1% | 49.6% | 49.8% |
| Currently Married | 42.5% | 45.9% | 48.0% |
| Married but Separated | 2.6% | 3.7% | 1.8% |
| Single Population | 54.9% | 50.4% | 50.2% |
| Never Married | 25.7% | 18.9% | 33.8% |
| Divorced | 18.1% | 21.5% | 10.8% |
| Widowed | 11.1% | 9.9% | 5.6% |
| space5 | | | |
| Household Size | 2.12 | 2.15 | 2.60 |
| Households | 2,037 | 868 | 124,010,992 |
| Family Households | 1,023 | 423 | 80,755,759 |
| Married couple, w/children | 32.4% | 29.1% | 30.5% |
| Married couple, no children | 33.6% | 47.0% | 42.9% |
| Non Family Households | 1,014 | 445 | 43,255,233 |
| Single householder, w/children | 21.1% | 11.8% | 15.8% |
| Single householder, no children | 12.9% | 12.1% | 10.8% |