[1] The first election to the council was held in 1973, initially operating as a shadow authority before coming into its powers on 1 April 1974.
The 2019 Downs North by-election was triggered by the death of Councillor Stephen Dehnel.
The 2020 Park Farm North by-election was triggered by the election of Councillor Jo Gideon to the UK Parliament as MP for Stoke-on-Trent Central.
The 2021 Downs North by-election was triggered by the resignation of Councillor Charles Dehnel.
The 2024 Aylesford & East Stour by-election was triggered by the resignation of Councillor Sojan Joseph following their election as MP for Ashford.