2004 J.League Division 2
The 2004 J. League Division 2 season was the 33rd season of the second-tier club football in Japan and the 6th season since the establishment of J2 League.
In this season, twelve clubs competed in the quadruple round-robin format. Starting this season, promotion slots increased to 2.5 slots. The top two received automatic promotion and the third-placed finisher advanced to the Pro/Rele Series for the promotion. There were no relegation to the third-tier Japan [Football League].
Clubs
The following twelve clubs participated in J. League Division 2 during 2004 season. Of these clubs, Vegalta Sendai and Kyoto Purple Sanga were relegated from Division 1 last season.- Avispa Fukuoka
- Consadole Sapporo
- Kawasaki Frontale
- Kyoto Purple Sanga Image:Arrowdownred.png
- Mito HollyHock
- Montedio Yamagata
- Omiya Ardija
- Sagan Tosu
- Shonan Bellmare
- Vegalta Sendai Image:Arrowdownred.png
- Ventforet Kofu
- Yokohama FC
League format
Twelve clubs played in quadruple round-robin format, a total of 44 games each. A club receives 3 points for a win, 1 point for a tie, and 0 points for a loss. The clubs are ranked by points, and tie breakers are, in the following order:- Goal differential
- Goals scored
- Head-to-head results
;Changes from previous year
- Inception of Pro/Rele series for the 3rd place.
Final league table
Promotion / relegation Playoff
----Kashiwa Reysol won on 4-0 on aggregate, and therefore both clubs remained in their respective leagues.