The result of the by election, held on 10 August 2023, for the vacant seat in the Castle Cary division is as follows:

Kevin Messenger (Liberal Democrat) 1,247 (elected)

David Hall (Conservative) 614

Ewan Jones (Green Party) 415.

The turnout was: 28.3%. There were five rejected ballot papers.

A by election was also held for a vacancy on Pilton Parish Council. The result is:

Claire Connock – 294 (elected)

Andrew Shaw – 57.