| | Johnson, VT | Worcester, MA | United States |
| Population | 3,552 | 203,867 | 329,725,481 |
| Female Population | 52.1% | 50.7% | 50.5% |
| Male Population | 47.9% | 49.3% | 49.5% |
| Median Age | 28.7 | 34.4 | 38.4 |
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| Population - 2010 | 3,458 | 181,762 | 309,327,143 |
| Population - 2000 | 3,274 | 172,648 | 285,036,114 |
| Population - 1990 | 3,156 | 169,759 | 251,960,433 |
| Pop. 2000 to Now | 10.5% | 6.9% | 15.6% |
| Pop. 1990 to Now | 14.7% | 8.7% | 30.8% |
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| Population Density | 79.5 | 5,456.8 | 93.4 |
| Land Area | 44.7 | 37.4 | 3,531,905.4 |
| Water Area | 0.4 | 1.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Johnson, VT | Worcester, MA | United States |
| Age 0 to 4 | 6.1% | 5.3% | 5.9% |
| Age 5 to 9 | 7.0% | 5.2% | 6.1% |
| Age 10 to 14 | 2.7% | 5.7% | 6.6% |
| Age 15 to 17 | 3.1% | 3.5% | 3.9% |
| Age 18 to 20 | 14.0% | 7.9% | 4.0% |
| Age 21 to 24 | 10.3% | 7.2% | 5.2% |
| Age 25 to 34 | 14.6% | 16.2% | 13.8% |
| Age 35 to 44 | 9.5% | 12.5% | 12.9% |
| Age 45 to 54 | 10.2% | 11.5% | 12.6% |
| Age 55 to 59 | 7.3% | 6.2% | 6.7% |
| Age 60 to 64 | 6.2% | 6.0% | 6.3% |
| Age 65 to 74 | 5.9% | 7.6% | 9.6% |
| Age 75 to 84 | 2.6% | 3.4% | 4.5% |
| Age 85 and over | 0.4% | 2.0% | 1.9% |
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| Race | | | |
| | Johnson, VT | Worcester, MA | United States |
| White | 92.8% | 53.6% | 59.4% |
| Black | 1.4% | 11.6% | 12.2% |
| Asian | 0.4% | 6.8% | 5.6% |
| Native American | 0.5% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.2% | 0.6% | 0.4% |
| Two or More Races | 2.0% | 3.3% | 3.2% |
| Hispanic | 2.7% | 23.9% | 18.4% |
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| Marriage & Family | | | |
| | Johnson, VT | Worcester, MA | United States |
| Married Population | 35.7% | 36.0% | 49.8% |
| Currently Married | 33.7% | 34.0% | 48.0% |
| Married but Separated | 2.0% | 2.0% | 1.8% |
| Single Population | 64.3% | 64.0% | 50.2% |
| Never Married | 46.5% | 47.8% | 33.8% |
| Divorced | 16.4% | 11.3% | 10.8% |
| Widowed | 1.3% | 4.9% | 5.6% |
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| Household Size | 2.36 | 2.40 | 2.60 |
| Households | 1,284 | 78,780 | 124,010,992 |
| Family Households | 698 | 43,192 | 80,755,759 |
| Married couple, w/children | 26.1% | 25.6% | 30.5% |
| Married couple, no children | 32.5% | 34.6% | 42.9% |
| Non Family Households | 586 | 35,588 | 43,255,233 |
| Single householder, w/children | 27.9% | 24.3% | 15.8% |
| Single householder, no children | 13.5% | 15.5% | 10.8% |