| | Yuma, CO | Flagler, CO | United States |
| Population | 3,451 | 504 | 329,725,481 |
| Female Population | 48.9% | 54.4% | 50.5% |
| Male Population | 51.1% | 45.6% | 49.5% |
| Median Age | 31.7 | 53.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,520 | 570 | 309,327,143 |
| Population - 2000 | 3,285 | 612 | 285,036,114 |
| Population - 1990 | 2,719 | 564 | 251,960,433 |
| Pop. 2000 to Now | 6.5% | -7.4% | 15.6% |
| Pop. 1990 to Now | 28.6% | 0.5% | 30.8% |
| space4 | | | |
| Population Density | 1,106.8 | 394.7 | 93.4 |
| Land Area | 3.1 | 1.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Yuma, CO | Flagler, CO | United States |
| Age 0 to 4 | 8.5% | 4.2% | 5.9% |
| Age 5 to 9 | 8.1% | 4.4% | 6.1% |
| Age 10 to 14 | 11.1% | 7.1% | 6.6% |
| Age 15 to 17 | 1.2% | 2.8% | 3.9% |
| Age 18 to 20 | 3.2% | 2.8% | 4.0% |
| Age 21 to 24 | 7.7% | 0.0% | 5.2% |
| Age 25 to 34 | 15.9% | 8.3% | 13.8% |
| Age 35 to 44 | 7.9% | 11.7% | 12.9% |
| Age 45 to 54 | 8.3% | 15.3% | 12.6% |
| Age 55 to 59 | 6.4% | 8.9% | 6.7% |
| Age 60 to 64 | 7.3% | 10.9% | 6.3% |
| Age 65 to 74 | 6.3% | 2.6% | 9.6% |
| Age 75 to 84 | 3.8% | 8.1% | 4.5% |
| Age 85 and over | 4.3% | 12.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Yuma, CO | Flagler, CO | United States |
| White | 56.6% | 97.4% | 59.4% |
| Black | 1.5% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.8% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.9% | 1.2% | 3.2% |
| Hispanic | 41.0% | 0.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Yuma, CO | Flagler, CO | United States |
| Married Population | 55.8% | 38.8% | 49.8% |
| Currently Married | 54.1% | 36.7% | 48.0% |
| Married but Separated | 1.7% | 2.1% | 1.8% |
| Single Population | 44.2% | 61.2% | 50.2% |
| Never Married | 26.0% | 14.8% | 33.8% |
| Divorced | 8.2% | 20.5% | 10.8% |
| Widowed | 10.1% | 25.9% | 5.6% |
| space5 | | | |
| Household Size | 2.76 | 1.95 | 2.60 |
| Households | 1,233 | 258 | 124,010,992 |
| Family Households | 910 | 116 | 80,755,759 |
| Married couple, w/children | 30.8% | 24.1% | 30.5% |
| Married couple, no children | 35.8% | 36.2% | 42.9% |
| Non Family Households | 323 | 142 | 43,255,233 |
| Single householder, w/children | 15.6% | 25.0% | 15.8% |
| Single householder, no children | 17.8% | 14.7% | 10.8% |