2004 K2 League
 |
| 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.
League standing
First stage
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Goyang Kookmin Bank | 9 | 7 | 2 | 0 | 17 | 5 | +12 | 23 |
| 2 | Ulsan Mipo Dolphins | 9 | 6 | 3 | 0 | 19 | 7 | +12 | 21 |
| 3 | Icheon Sangmu | 9 | 6 | 1 | 2 | 12 | 9 | +3 | 19 |
| 4 | Daejeon HNP FC | 9 | 3 | 3 | 3 | 9 | 9 | 0 | 12 |
| 5 | Suwon City | 9 | 2 | 4 | 3 | 7 | 10 | −3 | 10 |
| 6 | Gangneung City FC | 9 | 2 | 3 | 4 | 9 | 10 | −1 | 9 |
| 7 | Incheon Korail | 9 | 2 | 3 | 4 | 6 | 9 | −3 | 9 |
| 8 | Gimpo Hallelujah | 9 | 2 | 3 | 4 | 11 | 15 | −4 | 9 |
| 9 | Seosan Citizen | 9 | 1 | 2 | 6 | 8 | 14 | −6 | 5 |
| 10 | Uijeongbu Hummel Korea | 9 | 1 | 2 | 6 | 12 | 22 | −10 | 5 |
Source: [citation needed]
Second stage
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Gangneung City FC | 9 | 6 | 2 | 1 | 11 | 8 | +3 | 20 |
| 2 | Ulsan Mipo Dolphins | 9 | 5 | 4 | 0 | 19 | 7 | +12 | 19 |
| 3 | Suwon City | 9 | 3 | 4 | 2 | 12 | 10 | +2 | 13 |
| 4 | Goyang Kookmin Bank | 9 | 3 | 3 | 3 | 9 | 8 | +1 | 12 |
| 5 | Incheon Korail | 9 | 1 | 7 | 1 | 10 | 10 | 0 | 10 |
| 6 | Icheon Sangmu | 9 | 2 | 4 | 3 | 11 | 12 | −1 | 10 |
| 7 | Uijeongbu Hummel Korea | 9 | 2 | 4 | 3 | 8 | 9 | −1 | 10 |
| 8 | Daejeon HNP FC | 9 | 2 | 3 | 4 | 10 | 15 | −5 | 9 |
| 9 | Seosan Citizen | 9 | 2 | 2 | 5 | 9 | 14 | −5 | 8 |
| 10 | Gimpo Hallelujah | 9 | 0 | 5 | 4 | 7 | 13 | −6 | 5 |
Source: [citation needed]
Championship Playoff
Final
1st leg
| Gangneung City FC | 1 – 2 | Goyang Kookmin Bank |
|---|---|---|
Ha Sung-Yong  42' |
Kim Dong-Min 17' 78' |
2nd leg
Goyang Kookmin Bank won 4–1 on aggregate.
Winner
| K2 League 2004 Winners |
|---|
| Goyang Kookmin Bank 2nd title |