| Andover Town - Population Characteristics | FIPS Code=27005 |
| 1970 | 1980 | 1990 | |
| Population Density (Persons per Square Mile) | 0.01 | 0.01 | 12.90 |
| Total Population | 239 | 350 | 373 |
| Per Cent of Popualtion Born within Vermont | 51.17 | 47.05 | 58.70 |
| Number of Families | 66 | 92 | 114 |
| Per Cent of Population Aged 18 or Younger | 30.05 | 24.00 | 22.13 |
| Per Cent of Population Aged 18 to 64 | 57.75 | 65.14 | 64.00 |
| Per Cent of Population Aged 65 or Older | 12.20 | 10.86 | 13.87 |