| Mendon - Population Change | FIPS Code=21050 |
| Absolute Population Change, 1970-1980 | 313 |
| Per Cent Population Change, 1970-1980 | 42.13 |
| Absolute Population Change, 1980-1990 | -7 |
| Per Cent Population Change, 1980-1990 | -0.66 |
| Population Estimate, 1996 | 978 |
| Population Estimate, 2000 | 1134 |
| Population Estimate, 2005 | 1137 |
| Population Estimate, 2010 | 1141 |
| Population Estimate, 2015 | 1131 |
| Absolute Population Change, 1990-1996 | #REF! |
| Per Cent Population Change, 1990-1996 | -6.77 |
| Absolute Population Change, 1996-2005 | 159 |
| Per Cent Population Change, 1996-2005 | 16.26 |
| Absolute Population Change, 2005-2015 | -6 |
| Per Cent Population Change, 2005-2015 | -0.53 |