Due to the onset of the COVID-19 pandemic, the previous season was curtailed on March 12, 2020, without holding a playoff or awarding a Clark Cup champion.
[4] During the offseason, the Cedar Rapids RoughRiders' home arena was damaged during the August 10 derecho, forcing the team to suspend operations for at least the 2020–21 season.
[4] The regular season ran from November 6, 2020, to April 24, 2021, with a 54-game schedule for each team.
[1] Due to the unbalanced schedule during the COVID-19 pandemic, the league ranked teams on points percentage.
= Points; PIM = Penalty minutes Note: GP = Games played; Mins = Minutes played; W = Wins; L = Losses; OTL = Overtime losses; SOL = Shootout losses; SO = Shutouts; GAA = Goals against average; SV% = Save percentage Final results:[7]