| | Schodack, NY | Lewisboro, NY | United States |
| Population | 13,030 | 12,221 | 329,725,481 |
| Female Population | 52.0% | 51.0% | 50.5% |
| Male Population | 48.0% | 49.0% | 49.5% |
| Median Age | 45.3 | 46.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 12,800 | 12,411 | 309,327,143 |
| Population - 2000 | 12,536 | 12,324 | 285,036,114 |
| Population - 1990 | 11,839 | 11,313 | 251,960,433 |
| Pop. 2000 to Now | 4.3% | 0.8% | 15.6% |
| Pop. 1990 to Now | 10.5% | 9.8% | 30.8% |
| space4 | | | |
| Population Density | 210.4 | 440.5 | 93.4 |
| Land Area | 61.9 | 27.7 | 3,531,905.4 |
| Water Area | 1.7 | 1.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Schodack, NY | Lewisboro, NY | United States |
| Age 0 to 4 | 6.9% | 4.4% | 5.9% |
| Age 5 to 9 | 4.5% | 5.8% | 6.1% |
| Age 10 to 14 | 6.4% | 6.3% | 6.6% |
| Age 15 to 17 | 2.4% | 5.8% | 3.9% |
| Age 18 to 20 | 2.5% | 3.6% | 4.0% |
| Age 21 to 24 | 3.4% | 5.4% | 5.2% |
| Age 25 to 34 | 10.8% | 7.4% | 13.8% |
| Age 35 to 44 | 12.5% | 9.4% | 12.9% |
| Age 45 to 54 | 12.4% | 15.6% | 12.6% |
| Age 55 to 59 | 8.8% | 8.9% | 6.7% |
| Age 60 to 64 | 7.9% | 9.5% | 6.3% |
| Age 65 to 74 | 12.2% | 10.1% | 9.6% |
| Age 75 to 84 | 7.1% | 6.5% | 4.5% |
| Age 85 and over | 2.1% | 1.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Schodack, NY | Lewisboro, NY | United States |
| White | 92.7% | 85.5% | 59.4% |
| Black | 0.1% | 0.9% | 12.2% |
| Asian | 1.3% | 4.1% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.3% | 0.4% |
| Two or More Races | 1.7% | 2.0% | 3.2% |
| Hispanic | 3.6% | 7.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Schodack, NY | Lewisboro, NY | United States |
| Married Population | 56.3% | 67.4% | 49.8% |
| Currently Married | 55.7% | 67.0% | 48.0% |
| Married but Separated | 0.5% | 0.3% | 1.8% |
| Single Population | 43.7% | 32.6% | 50.2% |
| Never Married | 24.6% | 25.5% | 33.8% |
| Divorced | 12.0% | 4.9% | 10.8% |
| Widowed | 7.1% | 2.3% | 5.6% |
| space5 | | | |
| Household Size | 2.39 | 2.79 | 2.60 |
| Households | 5,400 | 4,371 | 124,010,992 |
| Family Households | 3,616 | 3,595 | 80,755,759 |
| Married couple, w/children | 29.8% | 39.1% | 30.5% |
| Married couple, no children | 49.9% | 51.9% | 42.9% |
| Non Family Households | 1,784 | 776 | 43,255,233 |
| Single householder, w/children | 8.5% | 3.9% | 15.8% |
| Single householder, no children | 11.8% | 5.1% | 10.8% |