| | Stafford, TX | Smithton, MO | United States |
| Population | 17,170 | 491 | 329,725,481 |
| Female Population | 48.8% | 49.5% | 50.5% |
| Male Population | 51.3% | 50.5% | 49.5% |
| Median Age | 32.2 | 36.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 16,565 | 574 | 309,327,143 |
| Population - 2000 | 15,681 | 510 | 285,036,114 |
| Population - 1990 | 8,397 | 532 | 251,960,433 |
| Pop. 2000 to Now | 8.7% | 11.8% | 15.6% |
| Pop. 1990 to Now | 103.1% | 7.1% | 30.8% |
| space4 | | | |
| Population Density | 2,453.6 | 1,631.2 | 93.4 |
| Land Area | 7.0 | 0.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Stafford, TX | Smithton, MO | United States |
| Age 0 to 4 | 6.1% | 7.5% | 5.9% |
| Age 5 to 9 | 6.9% | 7.9% | 6.1% |
| Age 10 to 14 | 6.9% | 6.5% | 6.6% |
| Age 15 to 17 | 3.4% | 6.1% | 3.9% |
| Age 18 to 20 | 2.7% | 1.0% | 4.0% |
| Age 21 to 24 | 6.9% | 5.3% | 5.2% |
| Age 25 to 34 | 22.0% | 13.8% | 13.8% |
| Age 35 to 44 | 12.7% | 12.8% | 12.9% |
| Age 45 to 54 | 9.6% | 16.5% | 12.6% |
| Age 55 to 59 | 6.5% | 9.2% | 6.7% |
| Age 60 to 64 | 6.6% | 5.3% | 6.3% |
| Age 65 to 74 | 6.7% | 2.9% | 9.6% |
| Age 75 to 84 | 2.2% | 5.1% | 4.5% |
| Age 85 and over | 0.9% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Stafford, TX | Smithton, MO | United States |
| White | 16.1% | 92.5% | 59.4% |
| Black | 25.6% | 2.9% | 12.2% |
| Asian | 28.0% | 0.0% | 5.6% |
| Native American | 0.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 4.5% | 0.0% | 3.2% |
| Hispanic | 25.4% | 4.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Stafford, TX | Smithton, MO | United States |
| Married Population | 49.6% | 50.9% | 49.8% |
| Currently Married | 47.5% | 50.9% | 48.0% |
| Married but Separated | 2.2% | 0.0% | 1.8% |
| Single Population | 50.4% | 49.1% | 50.2% |
| Never Married | 38.2% | 29.8% | 33.8% |
| Divorced | 9.5% | 15.7% | 10.8% |
| Widowed | 2.7% | 3.7% | 5.6% |
| space5 | | | |
| Household Size | 2.77 | 2.39 | 2.60 |
| Households | 6,203 | 203 | 124,010,992 |
| Family Households | 4,347 | 137 | 80,755,759 |
| Married couple, w/children | 28.0% | 28.5% | 30.5% |
| Married couple, no children | 39.9% | 45.3% | 42.9% |
| Non Family Households | 1,856 | 66 | 43,255,233 |
| Single householder, w/children | 20.8% | 24.8% | 15.8% |
| Single householder, no children | 11.3% | 1.5% | 10.8% |