Labour have held the Stoke Ward seat contested in a by-election on Thursday 26 July.
The results of the by-election, which followed the resignation of Councillor Philippa Davey, were:
Connor Clarke (Liberal Democrat) 174 votes
Jemima Laing (Labour) 1,427
Iuliu Popescu (Active for Plymouth) 123
Kathy Watkin (Conservative) 981
Turnout was 27.22%.