Djurgårdens IF were the defending champions after winning the title in the previous season.
[3] The season was scheduled to begin on 4 April, but was postponed indefinitely on 19 March due to the COVID-19 pandemic in Sweden.
On 17 April, a target start date of 14 June was established for the competition by chairman of the Swedish Football Association, Karl-Erik Nilsson.
GIF Sundsvall and AFC Eskilstuna were relegated at the end of the 2019 season after finishing at the bottom two places of the table, and were replaced by the 2019 Superettan champions Mjällby AIF and runners-up Varbergs BoIS.
Note: Flags indicate national team as has been defined under FIFA eligibility rules.