2004 Ykkönen
League tables for teams participating in Ykkönen, the second tier of the Finnish Soccer League system, in 2004.
League table
Promotion play-offs
Jazz Pori as 13th placed team in the 2004 Veikkausliiga and MIFK Mariehamn as runners-up of the 2004 Ykkönen competed in a two-legged play-off for a place in the Veikkausliiga. MIFK won the play-offs 3-2 on aggregate and were promoted to the Veikkausliiga.MIFK Mariehamn - Jazz Pori 1-0
Jazz Pori - MIFK Mariehamn ''' 2-2'''
Relegation play-offs
OLS Oulu - VG-62 Naantali 0-1VG-62 Naantali - OLS Oulu 3-1
KPV Kokkola - Kraft Närpes 1-1
Kraft Närpes - KPV Kokkola 1-1 aet., 1-4 pen.
KPV Kokkola were promoted to the Ykkönen and Kraft Närpes relegated to the Kakkonen. KPV Kokkola won 4-1 on penalties.
VG-62 Naantali remained in the Ykkönen after beating OLS Oulu 4-1 on aggregate.