Labour Labour The 2021 Doncaster Metropolitan Borough Council election took place on 6 May 2021 as part of the 2021 local elections in the United Kingdom.

The number of councillors elected by ward is shown in the table below.

Following the last election in 2017, the composition of the council was: After the election, the composition of the council was: MF - Mexborough First I - Independent E - Edlington and Warmsworth First Incumbent councillors are denoted by an asterisk.

Both Ken Keegan and George Derx were previously elected as Labour councillors.

A by-election was held in the Wheatley Hills & Intake after the incumbent Labour Party councillor Daniel Barwell resigned following being arrested for an 'offence relating to the distribution of a controlled drug on a warrant issued at the request of United States authorities'.