| | Manila, UT | Dutch John, UT | United States |
| Population | 306 | 26 | 329,725,481 |
| Female Population | 51.6% | 57.7% | 50.5% |
| Male Population | 48.4% | 42.3% | 49.5% |
| Median Age | 34.3 | 15.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 330 | 148 | 309,327,143 |
| Population - 2000 | 308 | 122 | 285,036,114 |
| Population - 1990 | 207 | 91 | 251,960,433 |
| Pop. 2000 to Now | 8.8% | 24.6% | 15.6% |
| Pop. 1990 to Now | 61.8% | 67.0% | 30.8% |
| space4 | | | |
| Population Density | 295.7 | 4.4 | 93.4 |
| Land Area | 1.0 | 5.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Manila, UT | Dutch John, UT | United States |
| Age 0 to 4 | 9.2% | 0.0% | 5.9% |
| Age 5 to 9 | 10.8% | 15.4% | 6.1% |
| Age 10 to 14 | 18.3% | 26.9% | 6.6% |
| Age 15 to 17 | 8.2% | 34.6% | 3.9% |
| Age 18 to 20 | 1.3% | 0.0% | 4.0% |
| Age 21 to 24 | 0.0% | 0.0% | 5.2% |
| Age 25 to 34 | 3.3% | 0.0% | 13.8% |
| Age 35 to 44 | 18.6% | 23.1% | 12.9% |
| Age 45 to 54 | 9.5% | 0.0% | 12.6% |
| Age 55 to 59 | 2.0% | 0.0% | 6.7% |
| Age 60 to 64 | 5.2% | 0.0% | 6.3% |
| Age 65 to 74 | 11.4% | 0.0% | 9.6% |
| Age 75 to 84 | 2.3% | 0.0% | 4.5% |
| Age 85 and over | 0.0% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Manila, UT | Dutch John, UT | United States |
| White | 93.8% | 100.0% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.3% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 5.9% | 0.0% | 3.2% |
| Hispanic | 0.0% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Manila, UT | Dutch John, UT | United States |
| Married Population | 67.2% | 40.0% | 49.8% |
| Currently Married | 63.5% | 40.0% | 48.0% |
| Married but Separated | 3.7% | 0.0% | 1.8% |
| Single Population | 32.8% | 60.0% | 50.2% |
| Never Married | 17.5% | 60.0% | 33.8% |
| Divorced | 10.6% | 0.0% | 10.8% |
| Widowed | 4.8% | 0.0% | 5.6% |
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| Household Size | 3.12 | 8.67 | 2.60 |
| Households | 98 | 3 | 124,010,992 |
| Family Households | 65 | 3 | 80,755,759 |
| Married couple, w/children | 53.8% | 100.0% | 30.5% |
| Married couple, no children | 38.5% | 0.0% | 42.9% |
| Non Family Households | 33 | 0 | 43,255,233 |
| Single householder, w/children | 7.7% | 0.0% | 15.8% |
| Single householder, no children | 0.0% | 0.0% | 10.8% |