| | Holcomb, KS | Coolidge, KS | United States |
| Population | 2,471 | 97 | 329,725,481 |
| Female Population | 46.0% | 45.4% | 50.5% |
| Male Population | 54.0% | 54.6% | 49.5% |
| Median Age | 31.5 | 61.2 | 38.4 |
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| Population - 2010 | 2,098 | 96 | 309,327,143 |
| Population - 2000 | 2,026 | 86 | 285,036,114 |
| Population - 1990 | 1,400 | 90 | 251,960,433 |
| Pop. 2000 to Now | 0.8% | 0.0% | 15.6% |
| Pop. 1990 to Now | 45.9% | -4.4% | 30.8% |
| space4 | | | |
| Population Density | 1,997.6 | 210.0 | 93.4 |
| Land Area | 1.2 | 0.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Holcomb, KS | Coolidge, KS | United States |
| Age 0 to 4 | 6.0% | 6.2% | 5.9% |
| Age 5 to 9 | 10.9% | 8.2% | 6.1% |
| Age 10 to 14 | 8.8% | 6.2% | 6.6% |
| Age 15 to 17 | 8.1% | 2.1% | 3.9% |
| Age 18 to 20 | 3.8% | 0.0% | 4.0% |
| Age 21 to 24 | 2.7% | 2.1% | 5.2% |
| Age 25 to 34 | 13.5% | 0.0% | 13.8% |
| Age 35 to 44 | 13.1% | 15.5% | 12.9% |
| Age 45 to 54 | 11.9% | 5.2% | 12.6% |
| Age 55 to 59 | 7.9% | 3.1% | 6.7% |
| Age 60 to 64 | 4.2% | 28.9% | 6.3% |
| Age 65 to 74 | 5.9% | 10.3% | 9.6% |
| Age 75 to 84 | 2.8% | 9.3% | 4.5% |
| Age 85 and over | 0.4% | 3.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Holcomb, KS | Coolidge, KS | United States |
| White | 56.7% | 69.1% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 1.8% | 0.0% | 5.6% |
| Native American | 0.3% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.0% | 0.4% |
| Two or More Races | 3.4% | 1.0% | 3.2% |
| Hispanic | 37.6% | 29.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Holcomb, KS | Coolidge, KS | United States |
| Married Population | 59.0% | 42.9% | 49.8% |
| Currently Married | 56.4% | 39.0% | 48.0% |
| Married but Separated | 2.6% | 3.9% | 1.8% |
| Single Population | 41.0% | 57.1% | 50.2% |
| Never Married | 33.8% | 9.1% | 33.8% |
| Divorced | 4.1% | 26.0% | 10.8% |
| Widowed | 3.0% | 22.1% | 5.6% |
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| Household Size | 3.24 | 2.55 | 2.60 |
| Households | 762 | 38 | 124,010,992 |
| Family Households | 665 | 15 | 80,755,759 |
| Married couple, w/children | 39.4% | 6.7% | 30.5% |
| Married couple, no children | 40.9% | 40.0% | 42.9% |
| Non Family Households | 97 | 23 | 43,255,233 |
| Single householder, w/children | 10.5% | 20.0% | 15.8% |
| Single householder, no children | 9.2% | 33.3% | 10.8% |