| Season | 2004 |
|---|---|
| Champions |
Goyang Kookmin Bank (2nd title) |
| Matches played | 92 |
| Goals scored | 221 (2.4 per match) |
| Biggest home win |
Ulsan 4–0 Gangneung (August 28) |
| Biggest away win |
Icheon 1–5 Ulsan (May 30) |
| Highest scoring |
Uijeongbu 3–3 Gimpo (6 goals, May 16) Ulsan 4–2 Uijeongbu (6 goals, May 22) Icheon 1–5 Ulsan (6 goals, May 30) Daejeon 3–3 Suwon (6 goals, August 29) |
| Longest winning run | 8 games Ulsan |
| Longest unbeaten run | 18 games Ulsan (11W 7D) |
| Longest winless run | 10 games Gimpo (4D 6L) |
| Longest losing run | 6 games Seosan |
|
← 2003
2005 →
|
|
The K2 League 2004 season operates its season in two stages, with the winners of each stage to the post-season championship playoffs.
In the event of the same team winning both stages, there will be no playoff.
1st leg
2nd leg
Goyang Kookmin Bank won 4–1 on aggregate.