Dalkurd FF and Trelleborgs FF were relegated at the end of the 2018 season after finishing at in the bottom two places of the table, and were replaced by the 2018 Superettan champions Helsingborgs IF and runners-up Falkenbergs FF. Helsingborg make their return to Allsvenskan after a two-year absence this will be their 67th season in the top flight. Falkenberg will take part in Allsvenskan for the fourth time, returning to Allsvenskan after a two-year absence.
The play-off spot was taken by AFC Eskilstuna, replacing IF Brommapojkarna. The team made it back to Allsvenskan after just one season in the second division, having been relegated in 2017.