The season began on 8 March 2020 and concluded on 22 November 2020.
Of the 10 participating teams 6 remained following the 2019 Esiliiga B.
The 2019 champions Nõmme United, runners-up Vändra and 3rd placed Pärnu Jalgpalliklubi were promoted to the Esiliiga, while 10th placed Volta were relegated to the II liiga.
The four new sides in this year's campaign are Welco, Tarvas, Läänemaa and Tallinna Kalev U21.
Kevor Palumets was named Esiliiga B Player of the Year.