| Vergennes - Population Characteristics | FIPS Code=1100 |
| 1970 | 1980 | 1990 | |
| Population Density (Persons per Square Mile) | 2242 | 2273 | 1289 |
| Total Population | 2242 | 2273 | 2578 |
| Per Cent of Popualtion Born within Vermont | 73.19 | 71.84 | 67.2 |
| Number of Families | 566 | 565 | 598 |
| Per Cent of Population Aged 18 or Younger | 36.44 | 29.92 | 28.04 |
| Per Cent of Population Aged 18 to 64 | 52.34 | 57.98 | 57.21 |
| Per Cent of Population Aged 65 or Older | 11.22 | 12.1 | 12.37 |