| | Byers, CO | Deer Trail, CO | United States |
| Population | 1,433 | 599 | 329,725,481 |
| Female Population | 59.5% | 51.3% | 50.5% |
| Male Population | 40.5% | 48.8% | 49.5% |
| Median Age | 33.6 | 35.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,318 | 546 | 309,327,143 |
| Population - 2000 | 1,233 | 598 | 285,036,114 |
| Population - 1990 | 1,065 | 476 | 251,960,433 |
| Pop. 2000 to Now | 2.3% | 43.1% | 15.6% |
| Pop. 1990 to Now | 18.4% | 79.8% | 30.8% |
| space4 | | | |
| Population Density | 125.2 | 531.0 | 93.4 |
| Land Area | 11.5 | 1.1 | 3,531,905.4 |
| Water Area | 0.5 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Byers, CO | Deer Trail, CO | United States |
| Age 0 to 4 | 4.7% | 11.5% | 5.9% |
| Age 5 to 9 | 9.3% | 6.2% | 6.1% |
| Age 10 to 14 | 7.3% | 4.2% | 6.6% |
| Age 15 to 17 | 8.8% | 2.5% | 3.9% |
| Age 18 to 20 | 9.3% | 1.5% | 4.0% |
| Age 21 to 24 | 1.3% | 9.9% | 5.2% |
| Age 25 to 34 | 10.1% | 11.4% | 13.8% |
| Age 35 to 44 | 19.3% | 14.7% | 12.9% |
| Age 45 to 54 | 10.4% | 12.0% | 12.6% |
| Age 55 to 59 | 3.6% | 6.5% | 6.7% |
| Age 60 to 64 | 1.4% | 5.7% | 6.3% |
| Age 65 to 74 | 10.1% | 6.7% | 9.6% |
| Age 75 to 84 | 3.9% | 5.5% | 4.5% |
| Age 85 and over | 0.6% | 1.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Byers, CO | Deer Trail, CO | United States |
| White | 56.0% | 85.6% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.3% | 1.2% | 5.6% |
| Native American | 1.5% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.0% | 3.2% | 3.2% |
| Hispanic | 40.3% | 10.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Byers, CO | Deer Trail, CO | United States |
| Married Population | 43.2% | 65.8% | 49.8% |
| Currently Married | 40.7% | 65.8% | 48.0% |
| Married but Separated | 2.5% | 0.0% | 1.8% |
| Single Population | 56.8% | 34.2% | 50.2% |
| Never Married | 29.7% | 25.6% | 33.8% |
| Divorced | 23.7% | 6.4% | 10.8% |
| Widowed | 3.5% | 2.1% | 5.6% |
| space5 | | | |
| Household Size | 3.23 | 2.60 | 2.60 |
| Households | 444 | 230 | 124,010,992 |
| Family Households | 337 | 163 | 80,755,759 |
| Married couple, w/children | 23.4% | 34.4% | 30.5% |
| Married couple, no children | 37.7% | 53.4% | 42.9% |
| Non Family Households | 107 | 67 | 43,255,233 |
| Single householder, w/children | 33.8% | 9.2% | 15.8% |
| Single householder, no children | 5.0% | 3.1% | 10.8% |