| | Stuart, IA | Creston, IA | United States |
| Population | 1,633 | 7,594 | 329,725,481 |
| Female Population | 49.2% | 51.4% | 50.5% |
| Male Population | 50.8% | 48.6% | 49.5% |
| Median Age | 44.1 | 38.2 | 38.4 |
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| Population - 2010 | 1,650 | 7,824 | 309,327,143 |
| Population - 2000 | 1,712 | 7,597 | 285,036,114 |
| Population - 1990 | 1,522 | 7,911 | 251,960,433 |
| Pop. 2000 to Now | 2.6% | 0.8% | 15.6% |
| Pop. 1990 to Now | 15.4% | -3.2% | 30.8% |
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| Population Density | 593.2 | 1,463.8 | 93.4 |
| Land Area | 2.8 | 5.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Stuart, IA | Creston, IA | United States |
| Age 0 to 4 | 5.4% | 6.1% | 5.9% |
| Age 5 to 9 | 3.9% | 4.8% | 6.1% |
| Age 10 to 14 | 5.0% | 6.4% | 6.6% |
| Age 15 to 17 | 3.2% | 4.4% | 3.9% |
| Age 18 to 20 | 4.8% | 6.4% | 4.0% |
| Age 21 to 24 | 4.2% | 6.1% | 5.2% |
| Age 25 to 34 | 14.1% | 11.9% | 13.8% |
| Age 35 to 44 | 11.5% | 12.4% | 12.9% |
| Age 45 to 54 | 8.9% | 11.3% | 12.6% |
| Age 55 to 59 | 6.4% | 5.2% | 6.7% |
| Age 60 to 64 | 8.1% | 6.6% | 6.3% |
| Age 65 to 74 | 12.0% | 9.9% | 9.6% |
| Age 75 to 84 | 7.1% | 5.8% | 4.5% |
| Age 85 and over | 5.5% | 2.5% | 1.9% |
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| Race | | | |
| | Stuart, IA | Creston, IA | United States |
| White | 90.3% | 93.3% | 59.4% |
| Black | 0.0% | 0.5% | 12.2% |
| Asian | 0.8% | 1.1% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.7% | 2.5% | 3.2% |
| Hispanic | 7.2% | 2.6% | 18.4% |
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| Marriage & Family | | | |
| | Stuart, IA | Creston, IA | United States |
| Married Population | 45.1% | 44.7% | 49.8% |
| Currently Married | 44.5% | 43.2% | 48.0% |
| Married but Separated | 0.6% | 1.5% | 1.8% |
| Single Population | 54.9% | 55.3% | 50.2% |
| Never Married | 26.5% | 31.8% | 33.8% |
| Divorced | 16.4% | 16.9% | 10.8% |
| Widowed | 12.0% | 6.6% | 5.6% |
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| Household Size | 2.21 | 2.31 | 2.60 |
| Households | 711 | 3,181 | 124,010,992 |
| Family Households | 424 | 1,753 | 80,755,759 |
| Married couple, w/children | 30.0% | 29.9% | 30.5% |
| Married couple, no children | 41.7% | 44.9% | 42.9% |
| Non Family Households | 287 | 1,428 | 43,255,233 |
| Single householder, w/children | 19.1% | 17.6% | 15.8% |
| Single householder, no children | 9.2% | 7.5% | 10.8% |