"I plan to be here next year, I want to be here next year," Lewis Hamilton told reporters after the race.
Formula 1 2020: Lewis Hamilton wins in Imola to hand Mercedes record seventh straight constructors' title
Formula 1 takes a break next weekend before returning for the Turkish Grand Prix on 15 November where Hamilton could wrap up a record-equalling seventh drivers' crown.
Hamilton defied cramps in his right calf in the closing stages of the race to make history on Sunday.
Formula 1 2020: Lewis Hamilton wins Portuguese GP to vroom past Michael Schumacher into record books
British driver Lewis Hamilton won his 92nd career race to move one ahead of German great Michael Schumacher.
Six-time world champion Hamilton is seeking a record 92nd career victory in Sunday's race at the new, slippery and undulating Algarve International Circuit.
Ahead of Sunday's Eifel GP, Mercedes boss Toto Wolff said both Hamilton and Bottas were confined to their rooms due to two COVID-19 positive cases in their team.