| | Cincinnatus, NY | Sherburne, NY | United States |
| Population | 961 | 3,975 | 329,725,481 |
| Female Population | 46.6% | 50.1% | 50.5% |
| Male Population | 53.4% | 49.9% | 49.5% |
| Median Age | 44 | 37.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,055 | 4,043 | 309,327,143 |
| Population - 2000 | 1,051 | 3,979 | 285,036,114 |
| Population - 1990 | 1,122 | 3,903 | 251,960,433 |
| Pop. 2000 to Now | -5.0% | -4.7% | 15.6% |
| Pop. 1990 to Now | -11.1% | -2.8% | 30.8% |
| space4 | | | |
| Population Density | 37.9 | 91.3 | 93.4 |
| Land Area | 25.4 | 43.6 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Cincinnatus, NY | Sherburne, NY | United States |
| Age 0 to 4 | 4.7% | 4.4% | 5.9% |
| Age 5 to 9 | 8.4% | 7.0% | 6.1% |
| Age 10 to 14 | 3.1% | 11.0% | 6.6% |
| Age 15 to 17 | 3.4% | 4.2% | 3.9% |
| Age 18 to 20 | 1.0% | 4.3% | 4.0% |
| Age 21 to 24 | 7.7% | 2.4% | 5.2% |
| Age 25 to 34 | 9.7% | 13.0% | 13.8% |
| Age 35 to 44 | 13.3% | 11.3% | 12.9% |
| Age 45 to 54 | 9.1% | 14.0% | 12.6% |
| Age 55 to 59 | 5.5% | 6.3% | 6.7% |
| Age 60 to 64 | 7.7% | 7.0% | 6.3% |
| Age 65 to 74 | 18.6% | 8.7% | 9.6% |
| Age 75 to 84 | 7.5% | 4.1% | 4.5% |
| Age 85 and over | 0.2% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Cincinnatus, NY | Sherburne, NY | United States |
| White | 92.8% | 96.7% | 59.4% |
| Black | 0.0% | 0.2% | 12.2% |
| Asian | 0.0% | 0.8% | 5.6% |
| Native American | 1.6% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 2.5% | 0.9% | 0.4% |
| Two or More Races | 0.7% | 1.1% | 3.2% |
| Hispanic | 2.4% | 0.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Cincinnatus, NY | Sherburne, NY | United States |
| Married Population | 57.1% | 51.6% | 49.8% |
| Currently Married | 56.8% | 51.1% | 48.0% |
| Married but Separated | 0.4% | 0.5% | 1.8% |
| Single Population | 42.9% | 48.4% | 50.2% |
| Never Married | 20.6% | 27.9% | 33.8% |
| Divorced | 10.6% | 14.3% | 10.8% |
| Widowed | 11.7% | 6.2% | 5.6% |
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| Household Size | 2.25 | 2.71 | 2.60 |
| Households | 427 | 1,455 | 124,010,992 |
| Family Households | 298 | 1,090 | 80,755,759 |
| Married couple, w/children | 19.8% | 29.2% | 30.5% |
| Married couple, no children | 53.7% | 40.6% | 42.9% |
| Non Family Households | 129 | 365 | 43,255,233 |
| Single householder, w/children | 22.5% | 18.4% | 15.8% |
| Single householder, no children | 4.0% | 11.7% | 10.8% |