| | Crystal City, MO | Comanche Creek, CO | United States |
| Population | 4,743 | 401 | 329,725,481 |
| Female Population | 50.3% | 59.9% | 50.5% |
| Male Population | 49.7% | 40.2% | 49.5% |
| Median Age | 38.9 | 52.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 4,840 | 559 | 309,327,143 |
| Population - 2000 | 4,247 | 229 | 285,036,114 |
| Population - 1990 | 4,088 | 126 | 251,960,433 |
| Pop. 2000 to Now | 10.5% | 22.7% | 15.6% |
| Pop. 1990 to Now | 14.8% | 123.0% | 30.8% |
| space4 | | | |
| Population Density | 1,039.9 | 18.5 | 93.4 |
| Land Area | 4.6 | 21.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Crystal City, MO | Comanche Creek, CO | United States |
| Age 0 to 4 | 4.7% | 2.2% | 5.9% |
| Age 5 to 9 | 5.1% | 0.0% | 6.1% |
| Age 10 to 14 | 6.8% | 4.7% | 6.6% |
| Age 15 to 17 | 5.4% | 0.0% | 3.9% |
| Age 18 to 20 | 2.2% | 0.0% | 4.0% |
| Age 21 to 24 | 6.6% | 7.0% | 5.2% |
| Age 25 to 34 | 12.6% | 0.0% | 13.8% |
| Age 35 to 44 | 14.2% | 11.7% | 12.9% |
| Age 45 to 54 | 9.2% | 32.2% | 12.6% |
| Age 55 to 59 | 6.9% | 13.0% | 6.7% |
| Age 60 to 64 | 6.3% | 6.2% | 6.3% |
| Age 65 to 74 | 11.7% | 22.9% | 9.6% |
| Age 75 to 84 | 5.4% | 0.0% | 4.5% |
| Age 85 and over | 2.9% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Crystal City, MO | Comanche Creek, CO | United States |
| White | 86.7% | 77.8% | 59.4% |
| Black | 4.4% | 0.0% | 12.2% |
| Asian | 0.1% | 5.0% | 5.6% |
| Native American | 0.6% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 7.9% | 2.7% | 3.2% |
| Hispanic | 0.3% | 14.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Crystal City, MO | Comanche Creek, CO | United States |
| Married Population | 43.2% | 80.2% | 49.8% |
| Currently Married | 42.6% | 80.2% | 48.0% |
| Married but Separated | 0.6% | 0.0% | 1.8% |
| Single Population | 56.8% | 19.8% | 50.2% |
| Never Married | 33.8% | 19.8% | 33.8% |
| Divorced | 14.2% | 0.0% | 10.8% |
| Widowed | 8.7% | 0.0% | 5.6% |
| space5 | | | |
| Household Size | 2.31 | 3.93 | 2.60 |
| Households | 1,958 | 102 | 124,010,992 |
| Family Households | 1,213 | 102 | 80,755,759 |
| Married couple, w/children | 22.9% | 9.8% | 30.5% |
| Married couple, no children | 44.6% | 90.2% | 42.9% |
| Non Family Households | 745 | 0 | 43,255,233 |
| Single householder, w/children | 20.2% | 0.0% | 15.8% |
| Single householder, no children | 12.3% | 0.0% | 10.8% |