| Extras |
| 23 | Kent v Somerset | Spitfire Ground, St Lawrence, Canterbury | 2018 |
| 21 | Northamptonshire v Somerset | County Ground, Taunton | 2004 |
| 20 | Worcestershire v Somerset | County Ground, Taunton | 2004 |
| 20 | Sussex v Somerset | The 1st Central County Ground, Hove | 2025 |
| 18 | Warwickshire v Somerset | Edgbaston, Birmingham | 2009 |
| 18 | Surrey v Somerset | The Brit Oval, Kennington | 2010 |
| 17 | Worcestershire v Somerset | County Ground, Taunton | 2005 |
| 17 | Northamptonshire v Somerset | County Ground, Northampton | 2005 |
| 17 | Essex v Somerset | County Ground, Taunton | 2010 |
| 17 | Essex v Somerset | Recreation Ground, Bath | 2011 |
| 17 | Hampshire v Somerset | The Cooper Associates County Ground, Taunton | 2021 |
| 17 | Surrey v Somerset | The Kia Oval, Kennington | 2025 |
| 16 | Northamptonshire v Somerset | County Ground, Northampton | 2003 |
| 16 | Surrey v Somerset | The Cooper Associates County Ground, Taunton | 2016 |
| 16 | Surrey v Somerset | The Kia Oval, Kennington | 2018 |
| 16 | Gloucestershire v Somerset | The Cooper Associates County Ground, Taunton | 2023 |
| 16 | Essex v Somerset | The Cooper Associates County Ground, Taunton | 2024 |
| 16 | Gloucestershire v Somerset | The Cooper Associates County Ground, Taunton | 2024 |
| 15 | Northamptonshire v Somerset | County Ground, Taunton | 2005 |
| 15 | Worcestershire v Somerset | County Ground, Taunton | 2012 |
| 15 | Surrey v Somerset | The Cooper Associates County Ground, Taunton | 2018 |
| 15 | Hampshire v Somerset | Edgbaston, Birmingham | 2022 |
| 14 | Glamorgan v Somerset | County Ground, Taunton | 2004 |
| 14 | Worcestershire v Somerset | County Ground, Taunton | 2008 |
| 14 | Gloucestershire v Somerset | County Ground, Bristol | 2009 |
| 14 | Sussex v Somerset | County Ground, Hove | 2010 |
| 14 | Kent v Somerset | The Nevill Ground, Tunbridge Wells | 2011 |
| 14 | Gloucestershire v Somerset | County Ground, Bristol | 2011 |
| 14 | Kent v Somerset | County Ground, Taunton | 2015 |
| 14 | Hampshire v Somerset | County Ground, Taunton | 2015 |
| 14 | Gloucestershire v Somerset | Brightside Ground, Bristol | 2016 |
