| | Fulton, MO | South Bend, IN | United States |
| Population | 12,691 | 102,786 | 329,725,481 |
| Female Population | 45.5% | 52.5% | 50.5% |
| Male Population | 54.5% | 47.5% | 49.5% |
| Median Age | 34.3 | 33.9 | 38.4 |
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| Population - 2010 | 12,748 | 101,189 | 309,327,143 |
| Population - 2000 | 12,128 | 107,789 | 285,036,114 |
| Population - 1990 | 10,033 | 105,511 | 251,960,433 |
| Pop. 2000 to Now | 3.5% | -5.5% | 15.6% |
| Pop. 1990 to Now | 25.1% | -3.5% | 30.8% |
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| Population Density | 1,029.4 | 2,474.7 | 93.4 |
| Land Area | 12.3 | 41.5 | 3,531,905.4 |
| Water Area | 0.1 | 0.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Fulton, MO | South Bend, IN | United States |
| Age 0 to 4 | 5.5% | 7.0% | 5.9% |
| Age 5 to 9 | 5.3% | 7.5% | 6.1% |
| Age 10 to 14 | 6.7% | 7.8% | 6.6% |
| Age 15 to 17 | 2.9% | 4.5% | 3.9% |
| Age 18 to 20 | 9.5% | 3.8% | 4.0% |
| Age 21 to 24 | 8.8% | 5.9% | 5.2% |
| Age 25 to 34 | 12.2% | 14.9% | 13.8% |
| Age 35 to 44 | 16.7% | 12.8% | 12.9% |
| Age 45 to 54 | 10.3% | 11.5% | 12.6% |
| Age 55 to 59 | 5.7% | 4.5% | 6.7% |
| Age 60 to 64 | 3.8% | 5.8% | 6.3% |
| Age 65 to 74 | 6.6% | 8.4% | 9.6% |
| Age 75 to 84 | 4.0% | 3.3% | 4.5% |
| Age 85 and over | 2.0% | 2.3% | 1.9% |
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| Race | | | |
| | Fulton, MO | South Bend, IN | United States |
| White | 85.7% | 52.0% | 59.4% |
| Black | 7.9% | 24.8% | 12.2% |
| Asian | 0.9% | 2.0% | 5.6% |
| Native American | 0.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.2% | 0.7% | 0.4% |
| Two or More Races | 1.4% | 4.5% | 3.2% |
| Hispanic | 2.7% | 15.8% | 18.4% |
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| Marriage & Family | | | |
| | Fulton, MO | South Bend, IN | United States |
| Married Population | 35.4% | 39.2% | 49.8% |
| Currently Married | 34.0% | 37.0% | 48.0% |
| Married but Separated | 1.3% | 2.1% | 1.8% |
| Single Population | 64.6% | 60.9% | 50.2% |
| Never Married | 42.8% | 42.0% | 33.8% |
| Divorced | 15.6% | 13.2% | 10.8% |
| Widowed | 6.2% | 5.6% | 5.6% |
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| Household Size | 2.63 | 2.46 | 2.60 |
| Households | 3,464 | 40,541 | 124,010,992 |
| Family Households | 2,217 | 22,471 | 80,755,759 |
| Married couple, w/children | 34.1% | 26.3% | 30.5% |
| Married couple, no children | 29.0% | 34.4% | 42.9% |
| Non Family Households | 1,247 | 18,070 | 43,255,233 |
| Single householder, w/children | 24.9% | 26.6% | 15.8% |
| Single householder, no children | 12.1% | 12.7% | 10.8% |