| | Thayne, WY | Walden, CO | United States |
| Population | 498 | 622 | 329,725,481 |
| Female Population | 48.4% | 40.8% | 50.5% |
| Male Population | 51.6% | 59.2% | 49.5% |
| Median Age | 40.5 | 52 | 38.4 |
| space3 | | | |
| Population - 2010 | 365 | 606 | 309,327,143 |
| Population - 2000 | 341 | 734 | 285,036,114 |
| Population - 1990 | 267 | 890 | 251,960,433 |
| Pop. 2000 to Now | 18.2% | -17.0% | 15.6% |
| Pop. 1990 to Now | 50.9% | -31.6% | 30.8% |
| space4 | | | |
| Population Density | 357.3 | 1,856.7 | 93.4 |
| Land Area | 1.4 | 0.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Thayne, WY | Walden, CO | United States |
| Age 0 to 4 | 8.4% | 1.4% | 5.9% |
| Age 5 to 9 | 4.6% | 1.1% | 6.1% |
| Age 10 to 14 | 7.0% | 6.6% | 6.6% |
| Age 15 to 17 | 4.0% | 5.8% | 3.9% |
| Age 18 to 20 | 0.0% | 4.7% | 4.0% |
| Age 21 to 24 | 7.6% | 4.7% | 5.2% |
| Age 25 to 34 | 13.3% | 6.4% | 13.8% |
| Age 35 to 44 | 11.2% | 9.3% | 12.9% |
| Age 45 to 54 | 6.0% | 12.1% | 12.6% |
| Age 55 to 59 | 5.0% | 8.8% | 6.7% |
| Age 60 to 64 | 7.2% | 7.6% | 6.3% |
| Age 65 to 74 | 21.5% | 16.9% | 9.6% |
| Age 75 to 84 | 2.4% | 11.9% | 4.5% |
| Age 85 and over | 1.6% | 2.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Thayne, WY | Walden, CO | United States |
| White | 90.2% | 83.1% | 59.4% |
| Black | 0.0% | 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 | 2.8% | 2.6% | 3.2% |
| Hispanic | 7.0% | 14.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Thayne, WY | Walden, CO | United States |
| Married Population | 64.6% | 46.0% | 49.8% |
| Currently Married | 61.1% | 43.2% | 48.0% |
| Married but Separated | 3.5% | 2.8% | 1.8% |
| Single Population | 35.4% | 54.0% | 50.2% |
| Never Married | 19.3% | 32.0% | 33.8% |
| Divorced | 8.0% | 10.1% | 10.8% |
| Widowed | 8.0% | 11.9% | 5.6% |
| space5 | | | |
| Household Size | 2.57 | 2.02 | 2.60 |
| Households | 193 | 305 | 124,010,992 |
| Family Households | 144 | 146 | 80,755,759 |
| Married couple, w/children | 32.6% | 17.8% | 30.5% |
| Married couple, no children | 57.6% | 62.3% | 42.9% |
| Non Family Households | 49 | 159 | 43,255,233 |
| Single householder, w/children | 7.6% | 7.5% | 15.8% |
| Single householder, no children | 2.1% | 12.3% | 10.8% |