Cambridgeshire County Council elections

Cambridgeshire County Council is elected every four years using the first past the post system of election. As of 2021 the council consists of 61 council seats, representing 59 electoral divisions.

By-election results
The following is an incomplete list of by-elections to Cambridgeshire County Council.

2009-2013
By-election called following the death of Leslie Sims.

By-election called following the resignation of Siep Wijsenbeek.

By-election following death of John West

2013−2017
By-election following resignation of Ray Manning on 2 April 2014.

By-election held following the death of John Reynolds.

By-election following resignation of Martin Curtis on 22 March 2015.

The by-election was triggered by the resignation of Councillor Peter Lagoda, who was elected for the UK Independence Party, following his conviction for benefit fraud.

By-election following the resignation of Killian Bourke on 11 May 2015.

By-election following the death of Sandra Rylance.

The by-election was triggered by the death of Councillor Phil Read, who was elected as a Conservative.

By-election following the death of Councillor Steven Van de Kerkhove in January 2016. 2-member division.