Devon South is currently held by the Conservative Party, and awaits results.
Results for 2019 are notional estimates based on the new boundaries.
| Votes | Share % | Change %pts. | ||
|---|---|---|---|---|
| Michael Bagley Reform UK | − | − | − | |
| Robert Bagnall Green | − | − | − | |
| Anthony Mangnall Conservative | − | − | − | |
| Daniel Steel Labour | − | − | − | |
| Caroline Voaden Liberal Democrat | − | − | − | |
| Becca Collings Heritage Party | − | − | − |