| Hardwick - Population Change | FIPS Code=05025 |
| Absolute Population Change, 1970-1980 | 147 |
| Per Cent Population Change, 1970-1980 | 5.96 |
| Absolute Population Change, 1980-1990 | 351 |
| Per Cent Population Change, 1980-1990 | 13.43 |
| Population Estimate, 1996 | 2973 |
| Population Estimate, 2000 | 3092 |
| Population Estimate, 2005 | 3148 |
| Population Estimate, 2010 | 3193 |
| Population Estimate, 2015 | 3232 |
| Absolute Population Change, 1990-1996 | 9 |
| Per Cent Population Change, 1990-1996 | 0.30 |
| Absolute Population Change, 1996-2005 | 175 |
| Per Cent Population Change, 1996-2005 | 5.89 |
| Absolute Population Change, 2005-2015 | 84 |
| Per Cent Population Change, 2005-2015 | 2.67 |