| Benson - Population Change | FIPS Code=21005 |
| Absolute Population Change, 1970-1980 | 156 |
| Per Cent Population Change, 1970-1980 | 26.76 |
| Absolute Population Change, 1980-1990 | 108 |
| Per Cent Population Change, 1980-1990 | 14.61 |
| Population Estimate, 1996 | 857 |
| Population Estimate, 2000 | 957 |
| Population Estimate, 2005 | 996 |
| Population Estimate, 2010 | 1038 |
| Population Estimate, 2015 | 1069 |
| Absolute Population Change, 1990-1996 | #REF! |
| Per Cent Population Change, 1990-1996 | 1.18 |
| Absolute Population Change, 1996-2005 | 139 |
| Per Cent Population Change, 1996-2005 | 16.22 |
| Absolute Population Change, 2005-2015 | 73 |
| Per Cent Population Change, 2005-2015 | 7.33 |