| | Bucyrus, KS | Cleveland, MO | United States |
| Population | 232 | 841 | 329,725,481 |
| Female Population | 51.3% | 54.6% | 50.5% |
| Male Population | 48.7% | 45.4% | 49.5% |
| Median Age | 28.7 | 45.3 | 38.4 |
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| Population - 2010 | 271 | 662 | 309,327,143 |
| Population - 2000 | 120 | 592 | 285,036,114 |
| Population - 1990 | 88 | 506 | 251,960,433 |
| Pop. 2000 to Now | 208.3% | 12.8% | 15.6% |
| Pop. 1990 to Now | 320.5% | 32.0% | 30.8% |
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| Population Density | 116.1 | 569.4 | 93.4 |
| Land Area | 2.0 | 1.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bucyrus, KS | Cleveland, MO | United States |
| Age 0 to 4 | 13.4% | 1.9% | 5.9% |
| Age 5 to 9 | 0.0% | 7.4% | 6.1% |
| Age 10 to 14 | 7.3% | 6.3% | 6.6% |
| Age 15 to 17 | 0.0% | 7.7% | 3.9% |
| Age 18 to 20 | 0.0% | 2.3% | 4.0% |
| Age 21 to 24 | 0.0% | 2.0% | 5.2% |
| Age 25 to 34 | 47.8% | 10.6% | 13.8% |
| Age 35 to 44 | 0.0% | 9.5% | 12.9% |
| Age 45 to 54 | 21.6% | 15.7% | 12.6% |
| Age 55 to 59 | 6.5% | 6.8% | 6.7% |
| Age 60 to 64 | 0.0% | 5.0% | 6.3% |
| Age 65 to 74 | 3.4% | 12.7% | 9.6% |
| Age 75 to 84 | 0.0% | 11.7% | 4.5% |
| Age 85 and over | 0.0% | 0.5% | 1.9% |
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| Race | | | |
| | Bucyrus, KS | Cleveland, MO | United States |
| White | 100.0% | 87.9% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.4% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 0.1% | 3.2% |
| Hispanic | 0.0% | 11.2% | 18.4% |
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| Marriage & Family | | | |
| | Bucyrus, KS | Cleveland, MO | United States |
| Married Population | 90.8% | 46.2% | 49.8% |
| Currently Married | 90.8% | 45.9% | 48.0% |
| Married but Separated | 0.0% | 0.3% | 1.8% |
| Single Population | 9.2% | 53.8% | 50.2% |
| Never Married | 0.0% | 22.8% | 33.8% |
| Divorced | 9.2% | 25.1% | 10.8% |
| Widowed | 0.0% | 5.9% | 5.6% |
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| Household Size | 2.42 | 2.45 | 2.60 |
| Households | 96 | 343 | 124,010,992 |
| Family Households | 96 | 244 | 80,755,759 |
| Married couple, w/children | 26.0% | 19.3% | 30.5% |
| Married couple, no children | 65.6% | 40.6% | 42.9% |
| Non Family Households | 0 | 99 | 43,255,233 |
| Single householder, w/children | 0.0% | 36.1% | 15.8% |
| Single householder, no children | 8.3% | 4.1% | 10.8% |