| | Altamont, UT | Jensen, UT | United States |
| Population | 397 | 435 | 329,725,481 |
| Female Population | 57.4% | 55.4% | 50.5% |
| Male Population | 42.6% | 44.6% | 49.5% |
| Median Age | 22.3 | 44.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 269 | 456 | 309,327,143 |
| Population - 2000 | 178 | 258 | 285,036,114 |
| Population - 1990 | 167 | 233 | 251,960,433 |
| Pop. 2000 to Now | 54.5% | -58.5% | 15.6% |
| Pop. 1990 to Now | 64.7% | -54.1% | 30.8% |
| space4 | | | |
| Population Density | 2,111.7 | 134.7 | 93.4 |
| Land Area | 0.2 | 3.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Altamont, UT | Jensen, UT | United States |
| Age 0 to 4 | 13.1% | 0.0% | 5.9% |
| Age 5 to 9 | 15.4% | 0.0% | 6.1% |
| Age 10 to 14 | 6.0% | 28.5% | 6.6% |
| Age 15 to 17 | 4.5% | 0.0% | 3.9% |
| Age 18 to 20 | 6.5% | 4.1% | 4.0% |
| Age 21 to 24 | 10.8% | 0.0% | 5.2% |
| Age 25 to 34 | 11.1% | 13.6% | 13.8% |
| Age 35 to 44 | 11.6% | 5.5% | 12.9% |
| Age 45 to 54 | 9.1% | 32.9% | 12.6% |
| Age 55 to 59 | 1.3% | 0.0% | 6.7% |
| Age 60 to 64 | 4.3% | 0.0% | 6.3% |
| Age 65 to 74 | 2.5% | 15.4% | 9.6% |
| Age 75 to 84 | 3.5% | 0.0% | 4.5% |
| Age 85 and over | 0.3% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Altamont, UT | Jensen, UT | United States |
| White | 94.7% | 100.0% | 59.4% |
| Black | 1.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 0.0% | 3.2% |
| Hispanic | 4.3% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Altamont, UT | Jensen, UT | United States |
| Married Population | 65.4% | 54.0% | 49.8% |
| Currently Married | 65.4% | 54.0% | 48.0% |
| Married but Separated | 0.0% | 0.0% | 1.8% |
| Single Population | 34.6% | 46.0% | 50.2% |
| Never Married | 24.6% | 24.4% | 33.8% |
| Divorced | 4.2% | 21.5% | 10.8% |
| Widowed | 5.8% | 0.0% | 5.6% |
| space5 | | | |
| Household Size | 4.36 | 2.02 | 2.60 |
| Households | 91 | 215 | 124,010,992 |
| Family Households | 67 | 72 | 80,755,759 |
| Married couple, w/children | 65.7% | 100.0% | 30.5% |
| Married couple, no children | 23.9% | 0.0% | 42.9% |
| Non Family Households | 24 | 143 | 43,255,233 |
| Single householder, w/children | 6.0% | 0.0% | 15.8% |
| Single householder, no children | 4.5% | 0.0% | 10.8% |