| Mount Holly - Population Characteristics | FIPS Code=21060 |
| 1970 | 1980 | 1990 | |
| Population Density (Persons per Square Mile) | 32.71 | 44.67 | 22.30 |
| Total Population | 687 | 938 | 1093 |
| Per Cent of Popualtion Born within Vermont | 65.58 | 56.50 | 55.20 |
| Number of Families | 180 | 260 | 306 |
| Per Cent of Population Aged 18 or Younger | 35.59 | 26.87 | 26.62 |
| Per Cent of Population Aged 18 to 64 | 52.58 | 60.98 | 60.48 |
| Per Cent of Population Aged 65 or Older | 11.81 | 12.15 | 12.90 |