| | Loa, UT | Richfield, UT | United States |
| Population | 608 | 8,086 | 329,725,481 |
| Female Population | 47.7% | 50.4% | 50.5% |
| Male Population | 52.3% | 49.6% | 49.5% |
| Median Age | 30.7 | 31.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 616 | 7,563 | 309,327,143 |
| Population - 2000 | 525 | 6,847 | 285,036,114 |
| Population - 1990 | 444 | 5,593 | 251,960,433 |
| Pop. 2000 to Now | 10.3% | 15.5% | 15.6% |
| Pop. 1990 to Now | 30.4% | 41.4% | 30.8% |
| space4 | | | |
| Population Density | 640.0 | 1,425.1 | 93.4 |
| Land Area | 1.0 | 5.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Loa, UT | Richfield, UT | United States |
| Age 0 to 4 | 8.6% | 8.3% | 5.9% |
| Age 5 to 9 | 12.3% | 10.2% | 6.1% |
| Age 10 to 14 | 4.4% | 10.2% | 6.6% |
| Age 15 to 17 | 5.1% | 5.8% | 3.9% |
| Age 18 to 20 | 1.3% | 4.2% | 4.0% |
| Age 21 to 24 | 11.5% | 3.6% | 5.2% |
| Age 25 to 34 | 17.8% | 11.5% | 13.8% |
| Age 35 to 44 | 5.1% | 16.0% | 12.9% |
| Age 45 to 54 | 8.7% | 9.0% | 12.6% |
| Age 55 to 59 | 3.3% | 5.0% | 6.7% |
| Age 60 to 64 | 8.1% | 5.0% | 6.3% |
| Age 65 to 74 | 9.7% | 6.5% | 9.6% |
| Age 75 to 84 | 3.1% | 3.2% | 4.5% |
| Age 85 and over | 1.0% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Loa, UT | Richfield, UT | United States |
| White | 95.1% | 91.7% | 59.4% |
| Black | 0.0% | 1.2% | 12.2% |
| Asian | 0.0% | 0.2% | 5.6% |
| Native American | 2.5% | 0.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 2.5% | 0.7% | 3.2% |
| Hispanic | 0.0% | 5.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Loa, UT | Richfield, UT | United States |
| Married Population | 84.1% | 56.2% | 49.8% |
| Currently Married | 84.1% | 55.2% | 48.0% |
| Married but Separated | 0.0% | 1.0% | 1.8% |
| Single Population | 15.9% | 43.8% | 50.2% |
| Never Married | 9.9% | 28.6% | 33.8% |
| Divorced | 4.2% | 9.6% | 10.8% |
| Widowed | 1.8% | 5.6% | 5.6% |
| space5 | | | |
| Household Size | 3.05 | 3.08 | 2.60 |
| Households | 194 | 2,547 | 124,010,992 |
| Family Households | 175 | 1,809 | 80,755,759 |
| Married couple, w/children | 70.9% | 49.1% | 30.5% |
| Married couple, no children | 29.1% | 35.1% | 42.9% |
| Non Family Households | 19 | 738 | 43,255,233 |
| Single householder, w/children | 0.0% | 14.3% | 15.8% |
| Single householder, no children | 0.0% | 1.5% | 10.8% |