| | Winchester, NV | South Salt Lake, UT | United States |
| Population | 36,307 | 26,086 | 329,725,481 |
| Female Population | 46.6% | 46.8% | 50.5% |
| Male Population | 53.4% | 53.2% | 49.5% |
| Median Age | 35.3 | 32.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 27,194 | 23,577 | 309,327,143 |
| Population - 2000 | 26,958 | 22,038 | 285,036,114 |
| Population - 1990 | 23,365 | 10,129 | 251,960,433 |
| Pop. 2000 to Now | 15.2% | 14.6% | 15.6% |
| Pop. 1990 to Now | 32.9% | 149.3% | 30.8% |
| space4 | | | |
| Population Density | 8,246.0 | 3,757.7 | 93.4 |
| Land Area | 4.4 | 6.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Winchester, NV | South Salt Lake, UT | United States |
| Age 0 to 4 | 6.8% | 6.3% | 5.9% |
| Age 5 to 9 | 7.0% | 5.2% | 6.1% |
| Age 10 to 14 | 6.6% | 6.5% | 6.6% |
| Age 15 to 17 | 2.9% | 4.4% | 3.9% |
| Age 18 to 20 | 4.2% | 5.2% | 4.0% |
| Age 21 to 24 | 5.2% | 6.8% | 5.2% |
| Age 25 to 34 | 16.7% | 19.8% | 13.8% |
| Age 35 to 44 | 12.9% | 17.9% | 12.9% |
| Age 45 to 54 | 14.2% | 11.0% | 12.6% |
| Age 55 to 59 | 6.0% | 4.6% | 6.7% |
| Age 60 to 64 | 5.4% | 4.7% | 6.3% |
| Age 65 to 74 | 8.3% | 4.8% | 9.6% |
| Age 75 to 84 | 3.2% | 1.9% | 4.5% |
| Age 85 and over | 0.6% | 0.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Winchester, NV | South Salt Lake, UT | United States |
| White | 24.6% | 48.8% | 59.4% |
| Black | 13.9% | 7.2% | 12.2% |
| Asian | 8.1% | 9.4% | 5.6% |
| Native American | 0.3% | 1.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.5% | 1.5% | 0.2% |
| Other | 0.1% | 0.3% | 0.4% |
| Two or More Races | 4.6% | 3.9% | 3.2% |
| Hispanic | 47.8% | 27.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Winchester, NV | South Salt Lake, UT | United States |
| Married Population | 37.0% | 37.2% | 49.8% |
| Currently Married | 32.6% | 34.7% | 48.0% |
| Married but Separated | 4.4% | 2.5% | 1.8% |
| Single Population | 63.0% | 62.8% | 50.2% |
| Never Married | 40.9% | 43.5% | 33.8% |
| Divorced | 17.6% | 15.6% | 10.8% |
| Widowed | 4.5% | 3.7% | 5.6% |
| space5 | | | |
| Household Size | 2.51 | 2.49 | 2.60 |
| Households | 14,424 | 9,904 | 124,010,992 |
| Family Households | 7,822 | 5,330 | 80,755,759 |
| Married couple, w/children | 18.4% | 30.2% | 30.5% |
| Married couple, no children | 30.1% | 31.8% | 42.9% |
| Non Family Households | 6,602 | 4,574 | 43,255,233 |
| Single householder, w/children | 32.7% | 20.0% | 15.8% |
| Single householder, no children | 18.8% | 18.0% | 10.8% |