| Population Change | Readsboro | FIPS Code=3040 |
| Absolute Population Change, 1970-1980 | 0 |
| Per Cent Population Change, 1970-1980 | 0 |
| Absolute Population Change, 1980-1990 | 124 |
| Per Cent Population Change, 1980-1990 | 19.44 |
| Population Estimate, 1996 | 778 |
| Population Estimate, 2000 | 818 |
| Population Estimate, 2005 | 850 |
| Population Estimate, 2010 | 877 |
| Population Estimate, 2015 | 905 |
| Absolute Population Change, 1990-1996 | 16 |
| Per Cent Population Change, 1990-1996 | 2.1 |
| Absolute Population Change, 1996-2005 | 32 |
| Per Cent Population Change, 1996-2005 | 9.25 |
| Absolute Population Change, 2005-2015 | 55 |
| Per Cent Population Change, 2005-2015 | 6.47 |