| | Columbine, CO | Ault, CO | United States |
| Population | 25,924 | 1,785 | 329,725,481 |
| Female Population | 49.0% | 47.7% | 50.5% |
| Male Population | 51.0% | 52.3% | 49.5% |
| Median Age | 40.4 | 36.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 23,972 | 1,534 | 309,327,143 |
| Population - 2000 | 24,095 | 1,432 | 285,036,114 |
| Population - 1990 | 23,969 | 1,107 | 251,960,433 |
| Pop. 2000 to Now | 7.3% | 48.5% | 15.6% |
| Pop. 1990 to Now | 7.9% | 92.1% | 30.8% |
| space4 | | | |
| Population Density | 3,910.1 | 1,034.2 | 93.4 |
| Land Area | 6.6 | 1.7 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Columbine, CO | Ault, CO | United States |
| Age 0 to 4 | 6.2% | 7.4% | 5.9% |
| Age 5 to 9 | 7.3% | 6.5% | 6.1% |
| Age 10 to 14 | 6.3% | 8.6% | 6.6% |
| Age 15 to 17 | 4.3% | 4.1% | 3.9% |
| Age 18 to 20 | 2.5% | 2.0% | 4.0% |
| Age 21 to 24 | 2.9% | 0.7% | 5.2% |
| Age 25 to 34 | 12.9% | 17.7% | 13.8% |
| Age 35 to 44 | 13.5% | 15.6% | 12.9% |
| Age 45 to 54 | 12.7% | 12.0% | 12.6% |
| Age 55 to 59 | 7.3% | 6.8% | 6.7% |
| Age 60 to 64 | 5.6% | 3.2% | 6.3% |
| Age 65 to 74 | 11.0% | 9.5% | 9.6% |
| Age 75 to 84 | 4.7% | 4.0% | 4.5% |
| Age 85 and over | 2.7% | 2.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Columbine, CO | Ault, CO | United States |
| White | 85.3% | 72.0% | 59.4% |
| Black | 1.2% | 0.3% | 12.2% |
| Asian | 1.4% | 0.4% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.1% | 1.0% | 3.2% |
| Hispanic | 9.7% | 26.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Columbine, CO | Ault, CO | United States |
| Married Population | 62.0% | 53.6% | 49.8% |
| Currently Married | 61.3% | 52.6% | 48.0% |
| Married but Separated | 0.7% | 0.9% | 1.8% |
| Single Population | 38.0% | 46.4% | 50.2% |
| Never Married | 23.1% | 21.4% | 33.8% |
| Divorced | 9.7% | 21.1% | 10.8% |
| Widowed | 5.2% | 3.9% | 5.6% |
| space5 | | | |
| Household Size | 2.64 | 2.73 | 2.60 |
| Households | 9,809 | 655 | 124,010,992 |
| Family Households | 7,552 | 453 | 80,755,759 |
| Married couple, w/children | 31.1% | 36.9% | 30.5% |
| Married couple, no children | 50.2% | 31.3% | 42.9% |
| Non Family Households | 2,257 | 202 | 43,255,233 |
| Single householder, w/children | 12.2% | 11.0% | 15.8% |
| Single householder, no children | 6.5% | 20.8% | 10.8% |