| | Redfield, NY | Delaware, MI | United States |
| Population | 386 | 790 | 329,725,481 |
| Female Population | 47.2% | 49.4% | 50.5% |
| Male Population | 52.9% | 50.6% | 49.5% |
| Median Age | 43.9 | 47.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 546 | 856 | 309,327,143 |
| Population - 2000 | 607 | 930 | 285,036,114 |
| Population - 1990 | 564 | 961 | 251,960,433 |
| Pop. 2000 to Now | -7.7% | -14.5% | 15.6% |
| Pop. 1990 to Now | -0.7% | -17.3% | 30.8% |
| space4 | | | |
| Population Density | 4.3 | 17.0 | 93.4 |
| Land Area | 89.8 | 46.4 | 3,531,905.4 |
| Water Area | 3.6 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Redfield, NY | Delaware, MI | United States |
| Age 0 to 4 | 7.5% | 4.6% | 5.9% |
| Age 5 to 9 | 2.3% | 7.8% | 6.1% |
| Age 10 to 14 | 4.4% | 6.2% | 6.6% |
| Age 15 to 17 | 2.9% | 4.2% | 3.9% |
| Age 18 to 20 | 3.4% | 1.8% | 4.0% |
| Age 21 to 24 | 4.4% | 2.8% | 5.2% |
| Age 25 to 34 | 7.0% | 7.8% | 13.8% |
| Age 35 to 44 | 19.9% | 13.2% | 12.9% |
| Age 45 to 54 | 10.9% | 13.4% | 12.6% |
| Age 55 to 59 | 7.8% | 10.6% | 6.7% |
| Age 60 to 64 | 7.3% | 10.0% | 6.3% |
| Age 65 to 74 | 17.4% | 12.5% | 9.6% |
| Age 75 to 84 | 4.9% | 4.7% | 4.5% |
| Age 85 and over | 0.0% | 0.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Redfield, NY | Delaware, MI | United States |
| White | 91.2% | 93.0% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.1% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.8% | 1.3% | 0.4% |
| Two or More Races | 7.0% | 3.7% | 3.2% |
| Hispanic | 0.0% | 1.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Redfield, NY | Delaware, MI | United States |
| Married Population | 71.3% | 63.9% | 49.8% |
| Currently Married | 69.2% | 63.3% | 48.0% |
| Married but Separated | 2.1% | 0.6% | 1.8% |
| Single Population | 28.7% | 36.1% | 50.2% |
| Never Married | 21.1% | 17.3% | 33.8% |
| Divorced | 4.5% | 12.3% | 10.8% |
| Widowed | 3.0% | 6.5% | 5.6% |
| space5 | | | |
| Household Size | 2.59 | 2.36 | 2.60 |
| Households | 149 | 335 | 124,010,992 |
| Family Households | 120 | 229 | 80,755,759 |
| Married couple, w/children | 31.7% | 32.8% | 30.5% |
| Married couple, no children | 59.2% | 58.1% | 42.9% |
| Non Family Households | 29 | 106 | 43,255,233 |
| Single householder, w/children | 4.2% | 4.4% | 15.8% |
| Single householder, no children | 5.0% | 4.8% | 10.8% |