| Rockingham Town - Population Change | FIPS Code=25070 |
| Absolute Population Change, 1970-1980 | 37 |
| Per Cent Population Change, 1970-1980 | 0.67 |
| Absolute Population Change, 1980-1990 | -54 |
| Per Cent Population Change, 1980-1990 | -0.98 |
| Population Estimate, 1996 | 5849 |
| Population Estimate, 2000 | 5200 |
| Population Estimate, 2005 | 4971 |
| Population Estimate, 2010 | 4742 |
| Population Estimate, 2015 | 4486 |
| Absolute Population Change, 1990-1996 | 365 |
| Per Cent Population Change, 1990-1996 | 6.66 |
| Absolute Population Change, 1996-2005 | -878 |
| Per Cent Population Change, 1996-2005 | ? |
| Absolute Population Change, 2005-2015 | -485 |
| Per Cent Population Change, 2005-2015 | -9.76 |