Birkdale is a Metropolitan Borough of Sefton ward in the Southport Parliamentary constituency that covers the eastern part of the localities of Birkdale and Hillside in the town of Southport, England. The population as at the 2011 census was 13,161.
indicates seat up for re-election.
Changes in vote share are since the seat was previously contested (i.e. 4 years prior), not since the previous local election.