| Teams | Mat | Won | Lost | Tied | Draw | Aban | Pts |
| Nottinghamshire | 16 | 9 | 2 | 0 | 5 | 0 | 252 |
| Hampshire | 16 | 9 | 2 | 0 | 5 | 0 | 228 |
| Glamorgan | 16 | 5 | 2 | 0 | 9 | 0 | 196.5 |
| Somerset | 16 | 4 | 5 | 0 | 7 | 0 | 175 |
| Essex | 16 | 3 | 6 | 0 | 7 | 0 | 165 |
| Leicestershire | 16 | 4 | 5 | 0 | 7 | 0 | 163.5 |
| Yorkshire | 16 | 3 | 4 | 0 | 9 | 0 | 162 |
| Derbyshire | 16 | 1 | 6 | 0 | 9 | 0 | 126 |
| Durham | 16 | 2 | 8 | 0 | 6 | 0 | 118.5 |
| Teams | MAT | WON | LOST | TIED | D | PTS | NRR |
| NOT | 16 | 9 | 2 | 0 | 5 | 252 | 0.0 |
| HAM | 16 | 9 | 2 | 0 | 5 | 228 | 0.0 |
| GLA | 16 | 5 | 2 | 0 | 9 | 196.5 | 0.0 |
| SOM | 16 | 4 | 5 | 0 | 7 | 175 | 0.0 |
| ESS | 16 | 3 | 6 | 0 | 7 | 165 | 0.0 |
| LEI | 16 | 4 | 5 | 0 | 7 | 163.5 | 0.0 |
| YOR | 16 | 3 | 4 | 0 | 9 | 162 | 0.0 |
| DER | 16 | 1 | 6 | 0 | 9 | 126 | 0.0 |
| DUR | 16 | 2 | 8 | 0 | 6 | 118.5 | 0.0 |
| Result Date | Team | Pts | Team | Pts | |
| 19 Apr 2004 | Glamorgan | 7 | Derbyshire | 7 | Table | Match |
| Hampshire | 18 | Durham | 2 | Match | |
| 24 Apr 2004 | Notts | 22 | Durham | 6 | Table | Match |
| Glamorgan | 12 | Leics | 8 | Match | |
| Somerset | 10 | Derbyshire | 9 | Match | |
| Yorkshire | 22 | Essex | 5 | Match | |
| 1 May 2004 | Derbyshire | 12 | Durham | 7 | Table | Match |
| Somerset | 12 | Essex | 6 | Match | |
| Hampshire | 19 | Leics | 2 | Match | |
| Notts | 11 | Yorkshire | 8 | Match | |
| 10 May 2004 | Notts | 11 | Glamorgan | 9 | Table | Match |
| Hampshire | 12 | Derbyshire | 10 | Match | |
| Durham | 10 | Essex | 9 | Match | |
| 14 May 2004 | Hampshire | 20 | Yorkshire | 6 | Table | Match |
| 15 May 2004 | Durham | 18 | Somerset | 7 | Table | Match |
| Essex | 12 | Glamorgan | 10.5 | Match | |
| Leics | 18 | Notts | 7 | Match | |
| 21 May 2004 | Glamorgan | 21 | Durham | 4 | Table | Match |
| Notts | 21 | Yorkshire | 3 | Match | |
| 22 May 2004 | Essex | 12 | Leics | 10 | Table | Match |
| Derbyshire | 11 | Somerset | 10 | Match | |
| 28 May 2004 | Glamorgan | 22 | Derbyshire | 7 | Table | Match |
| Essex | 12 | Somerset | 10 | Match | |
| Notts | 20 | Durham | 6 | Match | |
| 3 Jun 2004 | Notts | 21 | Hampshire | 3 | Table | Match |
| 5 Jun 2004 | Leics | 22 | Derbyshire | 4 | Table | Match |
| Glamorgan | 21 | Somerset | 4 | Match | |
| Yorkshire | 21 | Essex | 7 | Match | |
| 10 Jun 2004 | Yorkshire | 20 | Durham | 3 | Table | Match |
| 11 Jun 2004 | Hampshire | 21 | Essex | 3 | Table | Match |
| 12 Jun 2004 | Glamorgan | 20 | Leics | 5 | Table | Match |
| Notts | 22 | Somerset | 7 | Match | |
| 20 Jun 2004 | Hampshire | 18 | Somerset | 4 | Table | Match |
| 21 Jun 2004 | Notts | 22 | Derbyshire | 3 | Table | Match |
| Yorkshire | 9 | Leics | 9 | Match | |
| 26 Jun 2004 | Derbyshire | 9 | Essex | 8 | Table | Match |
| Durham | 11 | Glamorgan | 9 | Match | |
| Yorkshire | 10 | Hampshire | 9 | Match | |
| Leics | 10.5 | Somerset | 8 | Match | |
| 23 Jul 2004 | Derbyshire | 17 | Durham | 3 | Table | Match |
| Somerset | 22 | Yorkshire | 5 | Match | |
| 24 Jul 2004 | Essex | 20 | Leics | 3 | Table | Match |
| 26 Jul 2004 | Hampshire | 11 | Notts | 10 | Table | Match |
| 30 Jul 2004 | Leics | 22 | Durham | 3 | Table | Match |
| 31 Jul 2004 | Derbyshire | 12 | Yorkshire | 11 | Table | Match |
| Hampshire | 19 | Glamorgan | 6 | Match | |
| Notts | 22 | Essex | 8 | Match | |
| 5 Aug 2004 | Essex | 22 | Hampshire | 3 | Table | Match |
| Somerset | 21 | Glamorgan | 5 | Match | |
| 14 Aug 2004 | Hampshire | 11 | Glamorgan | 10 | Table | Match |
| Notts | 12 | Leics | 8 | Match | |
| 15 Aug 2004 | Yorkshire | 12 | Derbyshire | 7 | Table | Match |
| 16 Aug 2004 | Somerset | 12 | Durham | 5.5 | Table | Match |
| 21 Aug 2004 | Essex | 9 | Durham | 7 | Table | Match |
| Hampshire | 17 | Somerset | 3 | Match | |
| 22 Aug 2004 | Notts | 21 | Derbyshire | 8 | Table | Match |
| Leics | 11 | Yorkshire | 8 | Match | |
| 27 Aug 2004 | Leics | 5 | Derbyshire | 4 | Table | Match |
| Hampshire | 9 | Durham | 8 | Match | |
| Glamorgan | 5 | Yorkshire | 4 | Match | |
| 3 Sep 2004 | Durham | 20 | Yorkshire | 4 | Table | Match |
| 4 Sep 2004 | Hampshire | 20 | Leics | 5 | Table | Match |
| 5 Sep 2004 | Glamorgan | 21 | Essex | 8 | Table | Match |
| 6 Sep 2004 | Somerset | 22 | Notts | 4 | Table | Match |
| 10 Sep 2004 | Essex | 17 | Derbyshire | 3 | Table | Match |
| 12 Sep 2004 | Leics | 22 | Durham | 5 | Table | Match |
| 13 Sep 2004 | Glamorgan | 6 | Notts | 6 | Table | Match |
| Somerset | 7 | Yorkshire | 7 | Match | |
| 19 Sep 2004 | Yorkshire | 12 | Glamorgan | 12 | Table | Match |
| Hampshire | 18 | Derbyshire | 3 | Match | |
| Somerset | 16 | Leics | 3 | Match | |
| Notts | 20 | Essex | 7 | Match |
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