| Name | Party | Ward | End of Term |
|---|
| Tom Tyson | Liberal Democrats | Arbury | 04 May 23 |
| Valentine Shanley | Conservative and Unionist | Baldock East | 02 May 24 |
| Jim McNally | Conservative and Unionist | Baldock Town | 05 May 22 |
| Michael Muir | Conservative and Unionist | Baldock Town | 04 May 23 |
| Michael Weeks | Conservative and Unionist | Baldock Town | 02 May 24 |
| Sam North | Liberal Democrats | Cadwell | 04 May 23 |
| Terry Tyler | Liberal Democrats | Chesfield | 02 May 24 |
| George Davies | Conservative and Unionist | Chesfield | 04 May 23 |
| Ian Moody | Conservative and Unionist | Codicote | 05 May 22 |
| Gerald Morris | Conservative and Unionist | Ermine | 04 May 23 |
| Val Bryant | Labour Party | Hitchin Bearton | 05 May 22 |
| Judi Billing MBE | Labour Party | Hitchin Bearton | 04 May 23 |
| Ian Albert | Labour Party | Hitchin Bearton | 02 May 24 |
| Keith Hoskins MBE | Liberal Democrats | Hitchin Highbury | 04 May 23 |
| Sam Collins | Liberal Democrats | Hitchin Highbury | 05 May 22 |
| Paul Clark | Liberal Democrats | Hitchin Highbury | 02 May 24 |
| Martin Stears-Handscomb | Labour Party | Hitchin Oughton | 02 May 24 |
| Clare Billing | Labour Party | Hitchin Oughton | 05 May 22 |
| Simon Harwood | Conservative and Unionist | Hitchin Priory | 05 May 22 |
| Richard Thake | Conservative and Unionist | Hitchin Priory | 02 May 24 |
| Elizabeth Dennis-Harburg | Labour Party | Hitchin Walsworth | 02 May 24 |
| Mike Hughson | Labour Party | Hitchin Walsworth | 05 May 22 |
| Kay Tart | Labour Party | Hitchin Walsworth | 04 May 23 |
| Claire Strong | Conservative and Unionist | Hitchwood, Offa and Hoo | 02 May 24 |
| David Barnard | Conservative and Unionist | Hitchwood, Offa and Hoo | 04 May 23 |
| Faye S Frost | Conservative and Unionist | Hitchwood, Offa and Hoo | 05 May 22 |
| John Bishop | Conservative and Unionist | Kimpton | 05 May 22 |
| Steve Deakin-Davies | Conservative and Unionist | Knebworth | 02 May 24 |
| Lisa Nash | Liberal Democrats | Knebworth | 05 May 22 |
| Ian Mantle | Labour Party | Letchworth East | 02 May 24 |
| Sue Ngwala | Labour Party | Letchworth East | 05 May 22 |
| Helen Oliver | Labour Party | Letchworth Grange | 02 May 24 |
| Daniel Allen | Labour Party | Letchworth Grange | 05 May 22 |
| Morgan Derbyshire | Conservative and Unionist | Letchworth Grange | 04 May 23 |
| David Levett | Conservative and Unionist | Letchworth South East | 02 May 24 |
| Kate Aspinwall | Labour Party | Letchworth South East | 05 May 22 |
| Adem Ruggiero-Cakir | Labour Party | Letchworth South East | 04 May 23 |
| Mike Rice | Conservative and Unionist | Letchworth South West | 05 May 22 |
| Terry Hone | Conservative and Unionist | Letchworth South West | 02 May 24 |
| Sean Prendergast | Liberal Democrats | Letchworth South West | 04 May 23 |
| Gary Grindal | Labour Party | Letchworth Wilbury | 05 May 22 |
| Deepak Sangha | Labour Party | Letchworth Wilbury | 02 May 24 |
| Ruth Brown | Liberal Democrats | Royston Heath | 05 May 22 |
| Carol Stanier | Liberal Democrats | Royston Heath | 04 May 23 |
| Bill Davidson | Conservative and Unionist | Royston Meridian | 05 May 22 |
| Tony Hunter | Conservative and Unionist | Royston Meridian | 04 May 23 |
| Ben Lewis | Conservative and Unionist | Royston Palace | 05 May 22 |
| Jean Green | Conservative and Unionist | Royston Palace | 04 May 23 |
| Steve Jarvis | Liberal Democrats | Weston and Sandon | 04 May 23 |