| | Johnson, VT | Waterville, VT | United States |
| Population | 3,552 | 391 | 329,725,481 |
| Female Population | 52.1% | 44.8% | 50.5% |
| Male Population | 47.9% | 55.2% | 49.5% |
| Median Age | 28.7 | 46 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,458 | 675 | 309,327,143 |
| Population - 2000 | 3,274 | 697 | 285,036,114 |
| Population - 1990 | 3,156 | 532 | 251,960,433 |
| Pop. 2000 to Now | 10.5% | 0.6% | 15.6% |
| Pop. 1990 to Now | 14.7% | 31.8% | 30.8% |
| space4 | | | |
| Population Density | 79.5 | 23.9 | 93.4 |
| Land Area | 44.7 | 16.3 | 3,531,905.4 |
| Water Area | 0.4 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Johnson, VT | Waterville, VT | United States |
| Age 0 to 4 | 6.1% | 2.3% | 5.9% |
| Age 5 to 9 | 7.0% | 6.7% | 6.1% |
| Age 10 to 14 | 2.7% | 7.9% | 6.6% |
| Age 15 to 17 | 3.1% | 5.9% | 3.9% |
| Age 18 to 20 | 14.0% | 0.0% | 4.0% |
| Age 21 to 24 | 10.3% | 3.6% | 5.2% |
| Age 25 to 34 | 14.6% | 7.4% | 13.8% |
| Age 35 to 44 | 9.5% | 15.3% | 12.9% |
| Age 45 to 54 | 10.2% | 15.3% | 12.6% |
| Age 55 to 59 | 7.3% | 7.4% | 6.7% |
| Age 60 to 64 | 6.2% | 7.9% | 6.3% |
| Age 65 to 74 | 5.9% | 11.0% | 9.6% |
| Age 75 to 84 | 2.6% | 7.9% | 4.5% |
| Age 85 and over | 0.4% | 1.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Johnson, VT | Waterville, VT | United States |
| White | 92.8% | 98.7% | 59.4% |
| Black | 1.4% | 0.0% | 12.2% |
| Asian | 0.4% | 0.0% | 5.6% |
| Native American | 0.5% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 2.0% | 1.3% | 3.2% |
| Hispanic | 2.7% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Johnson, VT | Waterville, VT | United States |
| Married Population | 35.7% | 60.3% | 49.8% |
| Currently Married | 33.7% | 60.3% | 48.0% |
| Married but Separated | 2.0% | 0.0% | 1.8% |
| Single Population | 64.3% | 39.7% | 50.2% |
| Never Married | 46.5% | 25.2% | 33.8% |
| Divorced | 16.4% | 11.1% | 10.8% |
| Widowed | 1.3% | 3.4% | 5.6% |
| space5 | | | |
| Household Size | 2.36 | 2.14 | 2.60 |
| Households | 1,284 | 183 | 124,010,992 |
| Family Households | 698 | 126 | 80,755,759 |
| Married couple, w/children | 26.1% | 19.8% | 30.5% |
| Married couple, no children | 32.5% | 54.8% | 42.9% |
| Non Family Households | 586 | 57 | 43,255,233 |
| Single householder, w/children | 27.9% | 23.0% | 15.8% |
| Single householder, no children | 13.5% | 2.4% | 10.8% |