| | Westport, OR | Dillon, CO | United States |
| Population | 279 | 1,147 | 329,725,481 |
| Female Population | 48.4% | 49.8% | 50.5% |
| Male Population | 51.6% | 50.2% | 49.5% |
| Median Age | 49 | 46 | 38.4 |
| space3 | | | |
| Population - 2010 | 459 | 905 | 309,327,143 |
| Population - 2000 | 333 | 802 | 285,036,114 |
| Population - 1990 | 310 | 553 | 251,960,433 |
| Pop. 2000 to Now | -35.1% | 20.6% | 15.6% |
| Pop. 1990 to Now | -30.3% | 74.9% | 30.8% |
| space4 | | | |
| Population Density | 420.8 | 731.0 | 93.4 |
| Land Area | 0.7 | 1.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.9 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Westport, OR | Dillon, CO | United States |
| Age 0 to 4 | 0.0% | 2.0% | 5.9% |
| Age 5 to 9 | 0.0% | 0.0% | 6.1% |
| Age 10 to 14 | 0.0% | 4.0% | 6.6% |
| Age 15 to 17 | 3.6% | 3.3% | 3.9% |
| Age 18 to 20 | 11.5% | 4.1% | 4.0% |
| Age 21 to 24 | 0.0% | 0.1% | 5.2% |
| Age 25 to 34 | 10.8% | 20.1% | 13.8% |
| Age 35 to 44 | 11.1% | 14.8% | 12.9% |
| Age 45 to 54 | 29.4% | 12.8% | 12.6% |
| Age 55 to 59 | 5.0% | 10.8% | 6.7% |
| Age 60 to 64 | 0.0% | 10.1% | 6.3% |
| Age 65 to 74 | 17.2% | 11.3% | 9.6% |
| Age 75 to 84 | 11.5% | 6.5% | 4.5% |
| Age 85 and over | 0.0% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Westport, OR | Dillon, CO | United States |
| White | 93.9% | 55.8% | 59.4% |
| Black | 4.3% | 0.6% | 12.2% |
| Asian | 0.0% | 4.6% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 6.6% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 0.6% | 3.2% |
| Hispanic | 1.8% | 31.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Westport, OR | Dillon, CO | United States |
| Married Population | 58.4% | 56.1% | 49.8% |
| Currently Married | 50.2% | 51.9% | 48.0% |
| Married but Separated | 8.2% | 4.3% | 1.8% |
| Single Population | 41.6% | 43.9% | 50.2% |
| Never Married | 25.8% | 28.5% | 33.8% |
| Divorced | 12.5% | 13.9% | 10.8% |
| Widowed | 3.2% | 1.5% | 5.6% |
| space5 | | | |
| Household Size | 2.10 | 2.60 | 2.60 |
| Households | 133 | 441 | 124,010,992 |
| Family Households | 81 | 247 | 80,755,759 |
| Married couple, w/children | 0.0% | 1.2% | 30.5% |
| Married couple, no children | 72.8% | 74.5% | 42.9% |
| Non Family Households | 52 | 194 | 43,255,233 |
| Single householder, w/children | 16.0% | 15.0% | 15.8% |
| Single householder, no children | 11.1% | 9.3% | 10.8% |