Here's the 2023 attendance for the NWSL. Only 6 out of 12 teams averaged over 10k people per game, while the other 6 didn't come close. Also note which teams did NOT do well for attendance, including NY/NJ and Chicago.
2023 NWSL Attendance - Soccer Stadium Digest
Another strong week on the 2023 NWSL attendance front in Week 22, as the league's final week of the regular season saw big crowds.
soccerstadiumdigest.com