| | Garfield, KS | Ignacio, CO | United States |
| Population | 151 | 1,319 | 329,725,481 |
| Female Population | 49.0% | 50.1% | 50.5% |
| Male Population | 51.0% | 49.9% | 49.5% |
| Median Age | 39.1 | 37.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 190 | 862 | 309,327,143 |
| Population - 2000 | 198 | 669 | 285,036,114 |
| Population - 1990 | 236 | 720 | 251,960,433 |
| Pop. 2000 to Now | -15.2% | 44.0% | 15.6% |
| Pop. 1990 to Now | -28.8% | 33.8% | 30.8% |
| space4 | | | |
| Population Density | 280.7 | 3,053.2 | 93.4 |
| Land Area | 0.5 | 0.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Garfield, KS | Ignacio, CO | United States |
| Age 0 to 4 | 0.0% | 6.7% | 5.9% |
| Age 5 to 9 | 9.3% | 6.4% | 6.1% |
| Age 10 to 14 | 7.3% | 8.9% | 6.6% |
| Age 15 to 17 | 9.3% | 2.6% | 3.9% |
| Age 18 to 20 | 9.3% | 2.1% | 4.0% |
| Age 21 to 24 | 0.0% | 4.9% | 5.2% |
| Age 25 to 34 | 3.3% | 16.2% | 13.8% |
| Age 35 to 44 | 27.8% | 13.0% | 12.9% |
| Age 45 to 54 | 5.3% | 12.2% | 12.6% |
| Age 55 to 59 | 9.9% | 8.7% | 6.7% |
| Age 60 to 64 | 7.3% | 6.4% | 6.3% |
| Age 65 to 74 | 7.9% | 7.6% | 9.6% |
| Age 75 to 84 | 0.7% | 3.0% | 4.5% |
| Age 85 and over | 2.6% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Garfield, KS | Ignacio, CO | United States |
| White | 88.7% | 41.6% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 4.6% | 0.3% | 5.6% |
| Native American | 0.7% | 15.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.6% | 3.4% | 3.2% |
| Hispanic | 3.3% | 39.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Garfield, KS | Ignacio, CO | United States |
| Married Population | 58.7% | 45.6% | 49.8% |
| Currently Married | 58.7% | 42.8% | 48.0% |
| Married but Separated | 0.0% | 2.8% | 1.8% |
| Single Population | 41.3% | 54.4% | 50.2% |
| Never Married | 29.4% | 33.1% | 33.8% |
| Divorced | 6.3% | 17.1% | 10.8% |
| Widowed | 5.6% | 4.2% | 5.6% |
| space5 | | | |
| Household Size | 3.87 | 2.74 | 2.60 |
| Households | 39 | 481 | 124,010,992 |
| Family Households | 24 | 298 | 80,755,759 |
| Married couple, w/children | 29.2% | 25.5% | 30.5% |
| Married couple, no children | 50.0% | 37.9% | 42.9% |
| Non Family Households | 15 | 183 | 43,255,233 |
| Single householder, w/children | 20.8% | 25.8% | 15.8% |
| Single householder, no children | 0.0% | 10.7% | 10.8% |