| | West Yellowstone, MT | Driggs, ID | United States |
| Population | 1,096 | 2,324 | 329,725,481 |
| Female Population | 54.2% | 53.7% | 50.5% |
| Male Population | 45.8% | 46.3% | 49.5% |
| Median Age | 34.8 | 39.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,271 | 1,619 | 309,327,143 |
| Population - 2000 | 1,177 | 1,100 | 285,036,114 |
| Population - 1990 | 913 | 846 | 251,960,433 |
| Pop. 2000 to Now | 16.6% | 66.9% | 15.6% |
| Pop. 1990 to Now | 50.3% | 117.0% | 30.8% |
| space4 | | | |
| Population Density | 1,389.1 | 775.2 | 93.4 |
| Land Area | 0.8 | 3.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | West Yellowstone, MT | Driggs, ID | United States |
| Age 0 to 4 | 11.3% | 1.7% | 5.9% |
| Age 5 to 9 | 5.0% | 10.5% | 6.1% |
| Age 10 to 14 | 5.3% | 7.0% | 6.6% |
| Age 15 to 17 | 8.4% | 6.7% | 3.9% |
| Age 18 to 20 | 0.9% | 1.7% | 4.0% |
| Age 21 to 24 | 1.9% | 4.6% | 5.2% |
| Age 25 to 34 | 18.0% | 9.9% | 13.8% |
| Age 35 to 44 | 15.0% | 21.9% | 12.9% |
| Age 45 to 54 | 12.4% | 18.7% | 12.6% |
| Age 55 to 59 | 6.7% | 4.4% | 6.7% |
| Age 60 to 64 | 4.7% | 2.5% | 6.3% |
| Age 65 to 74 | 7.8% | 9.0% | 9.6% |
| Age 75 to 84 | 2.6% | 0.4% | 4.5% |
| Age 85 and over | 0.0% | 1.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | West Yellowstone, MT | Driggs, ID | United States |
| White | 76.8% | 64.7% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 2.9% | 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 | 2.6% | 1.4% | 3.2% |
| Hispanic | 17.7% | 33.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | West Yellowstone, MT | Driggs, ID | United States |
| Married Population | 50.4% | 55.6% | 49.8% |
| Currently Married | 50.4% | 54.0% | 48.0% |
| Married but Separated | 0.0% | 1.7% | 1.8% |
| Single Population | 49.6% | 44.4% | 50.2% |
| Never Married | 37.8% | 31.2% | 33.8% |
| Divorced | 8.1% | 9.6% | 10.8% |
| Widowed | 3.6% | 3.6% | 5.6% |
| space5 | | | |
| Household Size | 2.38 | 3.19 | 2.60 |
| Households | 420 | 728 | 124,010,992 |
| Family Households | 222 | 495 | 80,755,759 |
| Married couple, w/children | 34.2% | 42.4% | 30.5% |
| Married couple, no children | 37.4% | 44.4% | 42.9% |
| Non Family Households | 198 | 233 | 43,255,233 |
| Single householder, w/children | 16.7% | 9.5% | 15.8% |
| Single householder, no children | 11.7% | 3.6% | 10.8% |