| | Johnson City, KS | Holly, CO | United States |
| Population | 1,346 | 809 | 329,725,481 |
| Female Population | 41.5% | 51.3% | 50.5% |
| Male Population | 58.5% | 48.7% | 49.5% |
| Median Age | 35.7 | 52.9 | 38.4 |
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| Population - 2010 | 1,502 | 793 | 309,327,143 |
| Population - 2000 | 1,528 | 1,048 | 285,036,114 |
| Population - 1990 | 1,348 | 877 | 251,960,433 |
| Pop. 2000 to Now | -13.6% | -26.1% | 15.6% |
| Pop. 1990 to Now | -2.0% | -11.6% | 30.8% |
| space4 | | | |
| Population Density | 669.0 | 1,115.9 | 93.4 |
| Land Area | 2.0 | 0.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Johnson City, KS | Holly, CO | United States |
| Age 0 to 4 | 5.4% | 4.8% | 5.9% |
| Age 5 to 9 | 6.2% | 7.8% | 6.1% |
| Age 10 to 14 | 8.9% | 5.4% | 6.6% |
| Age 15 to 17 | 6.0% | 7.4% | 3.9% |
| Age 18 to 20 | 3.6% | 1.0% | 4.0% |
| Age 21 to 24 | 3.7% | 3.1% | 5.2% |
| Age 25 to 34 | 15.4% | 4.9% | 13.8% |
| Age 35 to 44 | 10.5% | 8.5% | 12.9% |
| Age 45 to 54 | 7.7% | 8.0% | 12.6% |
| Age 55 to 59 | 5.2% | 3.2% | 6.7% |
| Age 60 to 64 | 9.7% | 5.9% | 6.3% |
| Age 65 to 74 | 8.8% | 33.1% | 9.6% |
| Age 75 to 84 | 7.7% | 5.7% | 4.5% |
| Age 85 and over | 1.3% | 1.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Johnson City, KS | Holly, CO | United States |
| White | 51.5% | 40.7% | 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 | 5.6% | 1.1% | 3.2% |
| Hispanic | 42.9% | 58.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Johnson City, KS | Holly, CO | United States |
| Married Population | 50.6% | 53.4% | 49.8% |
| Currently Married | 48.8% | 51.4% | 48.0% |
| Married but Separated | 1.8% | 2.0% | 1.8% |
| Single Population | 49.4% | 46.6% | 50.2% |
| Never Married | 35.3% | 16.3% | 33.8% |
| Divorced | 9.4% | 8.9% | 10.8% |
| Widowed | 4.7% | 21.4% | 5.6% |
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| Household Size | 2.35 | 2.59 | 2.60 |
| Households | 560 | 300 | 124,010,992 |
| Family Households | 311 | 161 | 80,755,759 |
| Married couple, w/children | 16.1% | 36.0% | 30.5% |
| Married couple, no children | 65.3% | 44.7% | 42.9% |
| Non Family Households | 249 | 139 | 43,255,233 |
| Single householder, w/children | 10.3% | 16.8% | 15.8% |
| Single householder, no children | 8.4% | 2.5% | 10.8% |