| | Denver, PA | Fayetteville, NY | United States |
| Population | 3,800 | 4,282 | 329,725,481 |
| Female Population | 49.1% | 53.7% | 50.5% |
| Male Population | 50.9% | 46.3% | 49.5% |
| Median Age | 38.5 | 47.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,864 | 4,225 | 309,327,143 |
| Population - 2000 | 3,332 | 4,190 | 285,036,114 |
| Population - 1990 | 2,861 | 4,248 | 251,960,433 |
| Pop. 2000 to Now | 15.0% | -3.9% | 15.6% |
| Pop. 1990 to Now | 33.9% | -5.2% | 30.8% |
| space4 | | | |
| Population Density | 2,971.1 | 2,453.9 | 93.4 |
| Land Area | 1.3 | 1.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Denver, PA | Fayetteville, NY | United States |
| Age 0 to 4 | 5.4% | 9.7% | 5.9% |
| Age 5 to 9 | 5.6% | 4.3% | 6.1% |
| Age 10 to 14 | 9.6% | 3.9% | 6.6% |
| Age 15 to 17 | 5.6% | 2.2% | 3.9% |
| Age 18 to 20 | 1.7% | 2.3% | 4.0% |
| Age 21 to 24 | 1.8% | 1.8% | 5.2% |
| Age 25 to 34 | 15.5% | 13.5% | 13.8% |
| Age 35 to 44 | 12.3% | 11.0% | 12.9% |
| Age 45 to 54 | 12.7% | 9.4% | 12.6% |
| Age 55 to 59 | 9.1% | 5.3% | 6.7% |
| Age 60 to 64 | 5.2% | 13.2% | 6.3% |
| Age 65 to 74 | 10.4% | 13.3% | 9.6% |
| Age 75 to 84 | 2.4% | 7.7% | 4.5% |
| Age 85 and over | 2.5% | 2.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Denver, PA | Fayetteville, NY | United States |
| White | 84.6% | 89.8% | 59.4% |
| Black | 1.6% | 0.8% | 12.2% |
| Asian | 3.7% | 1.3% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.7% | 0.2% | 0.4% |
| Two or More Races | 1.6% | 5.9% | 3.2% |
| Hispanic | 7.7% | 2.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Denver, PA | Fayetteville, NY | United States |
| Married Population | 55.9% | 62.0% | 49.8% |
| Currently Married | 52.7% | 62.0% | 48.0% |
| Married but Separated | 3.2% | 0.0% | 1.8% |
| Single Population | 44.1% | 38.0% | 50.2% |
| Never Married | 24.9% | 20.3% | 33.8% |
| Divorced | 11.6% | 10.5% | 10.8% |
| Widowed | 7.7% | 7.1% | 5.6% |
| space5 | | | |
| Household Size | 2.53 | 2.24 | 2.60 |
| Households | 1,470 | 1,913 | 124,010,992 |
| Family Households | 1,062 | 1,290 | 80,755,759 |
| Married couple, w/children | 32.6% | 27.4% | 30.5% |
| Married couple, no children | 40.0% | 54.4% | 42.9% |
| Non Family Households | 408 | 623 | 43,255,233 |
| Single householder, w/children | 17.2% | 14.7% | 15.8% |
| Single householder, no children | 10.2% | 3.6% | 10.8% |