Kew is a Metropolitan Borough of Sefton ward in the Southport Parliamentary constituency that covers the localities of Kew and Blowick in the town of Southport. During the 2019 local elections the electorate was 10,064. The population of the ward taken at the 2011 census was 12,631.
Changes in vote share are since the seat was previously contested (i.e. 4 years prior), not since the previous local election.