| Berkshire Town - Population Change | FIPS Code=11015 |
| Absolute Population Change, 1970-1980 | 185 |
| Per Cent Population Change, 1970-1980 | 19.87 |
| Absolute Population Change, 1980-1990 | 74 |
| Per Cent Population Change, 1980-1990 | 6.63 |
| Population Estimate, 1996 | 1287 |
| Population Estimate, 2000 | 1275 |
| Population Estimate, 2005 | 1288 |
| Population Estimate, 2010 | 1293 |
| Population Estimate, 2015 | 1294 |
| Absolute Population Change, 1990-1996 | 97 |
| Per Cent Population Change, 1990-1996 | 8.15 |
| Absolute Population Change, 1996-2005 | 1 |
| Per Cent Population Change, 1996-2005 | 0.08 |
| Absolute Population Change, 2005-2015 | 6 |
| Per Cent Population Change, 2005-2015 | 0.47 |