| | Charleston, MO | Bertrand, MO | United States |
| Population | 5,184 | 876 | 329,725,481 |
| Female Population | 35.8% | 57.7% | 50.5% |
| Male Population | 64.2% | 42.4% | 49.5% |
| Median Age | 38.6 | 42.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 5,899 | 830 | 309,327,143 |
| Population - 2000 | 4,732 | 740 | 285,036,114 |
| Population - 1990 | 5,085 | 692 | 251,960,433 |
| Pop. 2000 to Now | 6.0% | 1.0% | 15.6% |
| Pop. 1990 to Now | -1.4% | 8.0% | 30.8% |
| space4 | | | |
| Population Density | 1,080.9 | 1,069.6 | 93.4 |
| Land Area | 4.8 | 0.8 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Charleston, MO | Bertrand, MO | United States |
| Age 0 to 4 | 3.6% | 12.0% | 5.9% |
| Age 5 to 9 | 6.7% | 2.3% | 6.1% |
| Age 10 to 14 | 5.6% | 3.4% | 6.6% |
| Age 15 to 17 | 3.7% | 1.5% | 3.9% |
| Age 18 to 20 | 2.8% | 3.7% | 4.0% |
| Age 21 to 24 | 5.6% | 7.1% | 5.2% |
| Age 25 to 34 | 16.7% | 12.8% | 13.8% |
| Age 35 to 44 | 15.7% | 9.2% | 12.9% |
| Age 45 to 54 | 13.4% | 12.4% | 12.6% |
| Age 55 to 59 | 8.4% | 4.3% | 6.7% |
| Age 60 to 64 | 3.2% | 13.8% | 6.3% |
| Age 65 to 74 | 9.7% | 8.3% | 9.6% |
| Age 75 to 84 | 2.9% | 6.3% | 4.5% |
| Age 85 and over | 1.9% | 2.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Charleston, MO | Bertrand, MO | United States |
| White | 41.1% | 86.6% | 59.4% |
| Black | 55.8% | 1.5% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.8% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.3% | 5.6% | 3.2% |
| Hispanic | 1.0% | 6.3% | 18.4% |
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| Marriage & Family | | | |
| | Charleston, MO | Bertrand, MO | United States |
| Married Population | 34.5% | 54.5% | 49.8% |
| Currently Married | 32.1% | 51.6% | 48.0% |
| Married but Separated | 2.3% | 2.9% | 1.8% |
| Single Population | 65.5% | 45.5% | 50.2% |
| Never Married | 46.6% | 19.0% | 33.8% |
| Divorced | 13.0% | 12.9% | 10.8% |
| Widowed | 5.9% | 13.6% | 5.6% |
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| Household Size | 2.60 | 2.55 | 2.60 |
| Households | 1,432 | 328 | 124,010,992 |
| Family Households | 923 | 251 | 80,755,759 |
| Married couple, w/children | 31.1% | 27.1% | 30.5% |
| Married couple, no children | 38.4% | 40.2% | 42.9% |
| Non Family Households | 509 | 77 | 43,255,233 |
| Single householder, w/children | 17.7% | 15.9% | 15.8% |
| Single householder, no children | 12.9% | 16.7% | 10.8% |