| | Knox, NY | Cleveland, AL | United States |
| Population | 2,737 | 1,291 | 329,725,481 |
| Female Population | 47.4% | 47.5% | 50.5% |
| Male Population | 52.6% | 52.5% | 49.5% |
| Median Age | 46.6 | 37.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,695 | 1,307 | 309,327,143 |
| Population - 2000 | 2,647 | 1,241 | 285,036,114 |
| Population - 1990 | 2,661 | 739 | 251,960,433 |
| Pop. 2000 to Now | 0.3% | 6.0% | 15.6% |
| Pop. 1990 to Now | -0.2% | 77.9% | 30.8% |
| space4 | | | |
| Population Density | 65.5 | 164.9 | 93.4 |
| Land Area | 41.8 | 7.8 | 3,531,905.4 |
| Water Area | 0.2 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Knox, NY | Cleveland, AL | United States |
| Age 0 to 4 | 3.9% | 7.4% | 5.9% |
| Age 5 to 9 | 6.9% | 5.7% | 6.1% |
| Age 10 to 14 | 7.6% | 7.2% | 6.6% |
| Age 15 to 17 | 1.7% | 7.6% | 3.9% |
| Age 18 to 20 | 2.0% | 3.7% | 4.0% |
| Age 21 to 24 | 3.7% | 8.6% | 5.2% |
| Age 25 to 34 | 10.3% | 7.9% | 13.8% |
| Age 35 to 44 | 11.3% | 12.8% | 12.9% |
| Age 45 to 54 | 14.9% | 16.0% | 12.6% |
| Age 55 to 59 | 10.0% | 5.7% | 6.7% |
| Age 60 to 64 | 11.9% | 3.2% | 6.3% |
| Age 65 to 74 | 10.8% | 8.1% | 9.6% |
| Age 75 to 84 | 4.3% | 4.6% | 4.5% |
| Age 85 and over | 0.6% | 1.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Knox, NY | Cleveland, AL | United States |
| White | 98.9% | 61.8% | 59.4% |
| Black | 0.6% | 0.2% | 12.2% |
| Asian | 0.1% | 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 | 0.5% | 7.4% | 3.2% |
| Hispanic | 0.0% | 30.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Knox, NY | Cleveland, AL | United States |
| Married Population | 70.0% | 56.3% | 49.8% |
| Currently Married | 70.0% | 54.3% | 48.0% |
| Married but Separated | 0.0% | 2.0% | 1.8% |
| Single Population | 30.0% | 43.7% | 50.2% |
| Never Married | 18.1% | 30.4% | 33.8% |
| Divorced | 8.3% | 7.3% | 10.8% |
| Widowed | 3.6% | 6.0% | 5.6% |
| space5 | | | |
| Household Size | 2.64 | 2.79 | 2.60 |
| Households | 1,037 | 459 | 124,010,992 |
| Family Households | 838 | 333 | 80,755,759 |
| Married couple, w/children | 25.7% | 39.9% | 30.5% |
| Married couple, no children | 61.6% | 41.1% | 42.9% |
| Non Family Households | 199 | 126 | 43,255,233 |
| Single householder, w/children | 8.8% | 17.4% | 15.8% |
| Single householder, no children | 3.9% | 1.5% | 10.8% |