Expansion teamsFive teams were added for the season:
| Team name | Metro area | Location | Previous affiliation | 
One team left for the WPSL:
Eight teams folded after the 2004 season:
StandingsOrange indicates W-League title and bye into W-League semifinals.
Blue indicates division title clinched
''Green indicates playoff berth clinched''
PlayoffsFormatFive teams from the Eastern Conference, four teams from the Central Conference and two from the Western Conference qualify for the playoffs. All match-ups are in a one-leg format.
In the Central Conference, the division champions play the second-place team from the opposite division.
In the Eastern Conference, the division champion with the best record receives a bye, and will play the winner of the teams with the 4th and 5th-best conference records. The other division champion will play the seventh-place team, and plays the winner of the third-place and sixth-place teams.
The two teams in the Western Conference will play each other to advance to the W-League Semifinals.
The regular season champion, New Jersey Wildcats, received a bye into the W-League semifinals, with the eighth-place team from the Eastern Conference receiving a playoff berth.
Conference bracketsCentral Conference
Eastern Conference
'''Western Conference'''
W-League Semifinals----
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