| Administrator(s) | England and Wales Cricket Board |
|---|---|
| Cricket format | Limited overs cricket (45 overs per innings) |
| Tournament format(s) | League system |
| Champions | Glamorgan Dragons (3rd title) |
| Participants | 19 |
| Matches | 162 |
| Most runs | 807 Paul Weekes |
| Most wickets | 39 Simon Cook |
The 2004 totesport League season was a 45 over English county cricket competition; colloquially known as the Sunday League. Glamorgan Dragons won the League for the third time.[1]