| | Henefer, UT | St. Charles, MN | United States |
| Population | 840 | 3,962 | 329,725,481 |
| Female Population | 47.7% | 48.7% | 50.5% |
| Male Population | 52.3% | 51.3% | 49.5% |
| Median Age | 39.8 | 40.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 790 | 3,740 | 309,327,143 |
| Population - 2000 | 684 | 3,295 | 285,036,114 |
| Population - 1990 | 554 | 2,642 | 251,960,433 |
| Pop. 2000 to Now | 44.7% | 14.4% | 15.6% |
| Pop. 1990 to Now | 78.7% | 42.6% | 30.8% |
| space4 | | | |
| Population Density | 341.5 | 1,070.8 | 93.4 |
| Land Area | 2.5 | 3.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Henefer, UT | St. Charles, MN | United States |
| Age 0 to 4 | 6.9% | 8.4% | 5.9% |
| Age 5 to 9 | 8.2% | 5.4% | 6.1% |
| Age 10 to 14 | 6.2% | 6.3% | 6.6% |
| Age 15 to 17 | 5.6% | 2.4% | 3.9% |
| Age 18 to 20 | 7.1% | 1.9% | 4.0% |
| Age 21 to 24 | 5.5% | 3.5% | 5.2% |
| Age 25 to 34 | 6.5% | 14.3% | 13.8% |
| Age 35 to 44 | 16.3% | 16.3% | 12.9% |
| Age 45 to 54 | 12.5% | 11.9% | 12.6% |
| Age 55 to 59 | 6.4% | 9.3% | 6.7% |
| Age 60 to 64 | 5.8% | 5.4% | 6.3% |
| Age 65 to 74 | 4.8% | 8.1% | 9.6% |
| Age 75 to 84 | 7.0% | 4.9% | 4.5% |
| Age 85 and over | 1.1% | 1.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Henefer, UT | St. Charles, MN | United States |
| White | 95.8% | 89.7% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 5.6% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.7% | 0.4% |
| Two or More Races | 0.8% | 1.2% | 3.2% |
| Hispanic | 3.3% | 2.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Henefer, UT | St. Charles, MN | United States |
| Married Population | 57.9% | 57.2% | 49.8% |
| Currently Married | 57.9% | 57.2% | 48.0% |
| Married but Separated | 0.0% | 0.0% | 1.8% |
| Single Population | 42.1% | 42.8% | 50.2% |
| Never Married | 27.8% | 22.9% | 33.8% |
| Divorced | 6.5% | 14.1% | 10.8% |
| Widowed | 7.7% | 5.8% | 5.6% |
| space5 | | | |
| Household Size | 2.98 | 2.43 | 2.60 |
| Households | 282 | 1,619 | 124,010,992 |
| Family Households | 184 | 1,055 | 80,755,759 |
| Married couple, w/children | 39.7% | 33.0% | 30.5% |
| Married couple, no children | 52.7% | 50.7% | 42.9% |
| Non Family Households | 98 | 564 | 43,255,233 |
| Single householder, w/children | 2.7% | 8.2% | 15.8% |
| Single householder, no children | 4.9% | 8.1% | 10.8% |