| | Richland, MO | Ferguson, MO | United States |
| Population | 2,417 | 18,826 | 329,725,481 |
| Female Population | 47.4% | 55.3% | 50.5% |
| Male Population | 52.6% | 44.7% | 49.5% |
| Median Age | 32.6 | 34.2 | 38.4 |
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| Population - 2010 | 1,890 | 21,181 | 309,327,143 |
| Population - 2000 | 1,805 | 22,406 | 285,036,114 |
| Population - 1990 | 2,029 | 22,286 | 251,960,433 |
| Pop. 2000 to Now | -0.3% | -8.7% | 15.6% |
| Pop. 1990 to Now | -11.3% | -8.2% | 30.8% |
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| Population Density | 1,066.2 | 3,041.4 | 93.4 |
| Land Area | 2.3 | 6.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Richland, MO | Ferguson, MO | United States |
| Age 0 to 4 | 13.4% | 8.6% | 5.9% |
| Age 5 to 9 | 7.7% | 6.4% | 6.1% |
| Age 10 to 14 | 10.6% | 7.4% | 6.6% |
| Age 15 to 17 | 0.9% | 4.9% | 3.9% |
| Age 18 to 20 | 1.0% | 5.1% | 4.0% |
| Age 21 to 24 | 3.2% | 3.3% | 5.2% |
| Age 25 to 34 | 17.8% | 16.1% | 13.8% |
| Age 35 to 44 | 9.8% | 12.8% | 12.9% |
| Age 45 to 54 | 13.4% | 10.5% | 12.6% |
| Age 55 to 59 | 4.1% | 6.2% | 6.7% |
| Age 60 to 64 | 5.9% | 5.1% | 6.3% |
| Age 65 to 74 | 5.7% | 9.6% | 9.6% |
| Age 75 to 84 | 2.8% | 2.5% | 4.5% |
| Age 85 and over | 3.8% | 1.5% | 1.9% |
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| Race | | | |
| | Richland, MO | Ferguson, MO | United States |
| White | 88.9% | 21.5% | 59.4% |
| Black | 0.3% | 70.6% | 12.2% |
| Asian | 0.0% | 0.4% | 5.6% |
| Native American | 0.0% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.2% | 0.4% |
| Two or More Races | 3.2% | 4.5% | 3.2% |
| Hispanic | 7.6% | 1.4% | 18.4% |
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| Marriage & Family | | | |
| | Richland, MO | Ferguson, MO | United States |
| Married Population | 49.8% | 36.5% | 49.8% |
| Currently Married | 42.0% | 31.5% | 48.0% |
| Married but Separated | 7.7% | 5.0% | 1.8% |
| Single Population | 50.2% | 63.5% | 50.2% |
| Never Married | 25.4% | 45.1% | 33.8% |
| Divorced | 15.3% | 13.6% | 10.8% |
| Widowed | 9.6% | 4.8% | 5.6% |
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| Household Size | 3.06 | 2.33 | 2.60 |
| Households | 777 | 8,004 | 124,010,992 |
| Family Households | 444 | 4,802 | 80,755,759 |
| Married couple, w/children | 32.4% | 12.6% | 30.5% |
| Married couple, no children | 31.1% | 29.9% | 42.9% |
| Non Family Households | 333 | 3,202 | 43,255,233 |
| Single householder, w/children | 26.1% | 41.3% | 15.8% |
| Single householder, no children | 10.4% | 16.2% | 10.8% |