| | Wayland, MA | Plattsburgh, NY | United States |
| Population | 13,859 | 19,969 | 329,725,481 |
| Female Population | 50.8% | 52.6% | 50.5% |
| Male Population | 49.2% | 47.4% | 49.5% |
| Median Age | 43.1 | 29.9 | 38.4 |
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| Population - 2010 | 12,981 | 20,019 | 309,327,143 |
| Population - 2000 | 13,100 | 18,816 | 285,036,114 |
| Population - 1990 | 11,874 | 21,255 | 251,960,433 |
| Pop. 2000 to Now | 4.8% | 2.2% | 15.6% |
| Pop. 1990 to Now | 15.6% | -9.6% | 30.8% |
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| Population Density | 921.2 | 3,962.9 | 93.4 |
| Land Area | 15.0 | 5.0 | 3,531,905.4 |
| Water Area | 0.8 | 1.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Wayland, MA | Plattsburgh, NY | United States |
| Age 0 to 4 | 6.4% | 4.4% | 5.9% |
| Age 5 to 9 | 6.8% | 3.6% | 6.1% |
| Age 10 to 14 | 7.4% | 4.5% | 6.6% |
| Age 15 to 17 | 5.4% | 2.2% | 3.9% |
| Age 18 to 20 | 2.6% | 16.2% | 4.0% |
| Age 21 to 24 | 4.4% | 11.7% | 5.2% |
| Age 25 to 34 | 7.3% | 11.8% | 13.8% |
| Age 35 to 44 | 12.5% | 9.1% | 12.9% |
| Age 45 to 54 | 13.6% | 10.6% | 12.6% |
| Age 55 to 59 | 9.9% | 4.7% | 6.7% |
| Age 60 to 64 | 6.7% | 4.9% | 6.3% |
| Age 65 to 74 | 9.1% | 8.4% | 9.6% |
| Age 75 to 84 | 6.3% | 4.4% | 4.5% |
| Age 85 and over | 1.8% | 3.3% | 1.9% |
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| Race | | | |
| | Wayland, MA | Plattsburgh, NY | United States |
| White | 77.1% | 86.8% | 59.4% |
| Black | 0.9% | 3.4% | 12.2% |
| Asian | 13.6% | 2.8% | 5.6% |
| Native American | 0.0% | 0.7% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 3.3% | 2.1% | 3.2% |
| Hispanic | 5.0% | 4.2% | 18.4% |
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| Marriage & Family | | | |
| | Wayland, MA | Plattsburgh, NY | United States |
| Married Population | 66.0% | 32.2% | 49.8% |
| Currently Married | 65.4% | 29.3% | 48.0% |
| Married but Separated | 0.6% | 2.9% | 1.8% |
| Single Population | 34.0% | 67.8% | 50.2% |
| Never Married | 24.0% | 51.0% | 33.8% |
| Divorced | 6.0% | 10.9% | 10.8% |
| Widowed | 4.0% | 5.9% | 5.6% |
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| Household Size | 2.89 | 1.98 | 2.60 |
| Households | 4,779 | 8,511 | 124,010,992 |
| Family Households | 3,859 | 3,465 | 80,755,759 |
| Married couple, w/children | 48.2% | 22.3% | 30.5% |
| Married couple, no children | 40.9% | 44.5% | 42.9% |
| Non Family Households | 920 | 5,046 | 43,255,233 |
| Single householder, w/children | 5.6% | 23.7% | 15.8% |
| Single householder, no children | 5.3% | 9.6% | 10.8% |