| Name | Party | Ward | End of Term |
|---|
| Stephen Aylen | Independent | Belfairs | 07-05-2020 |
| Alan Dear | Conservative and Unionist Party | Belfairs | 05-05-2022 |
| Lesley Salter | Conservative and Unionist Party | Belfairs | 04-05-2023 |
| Helen Boyd | Conservative and Unionist Party | Blenheim Park | 07-05-2020 |
| Laurie Burton | Labour Party | Blenheim Park | 05-05-2022 |
| Keith Evans | Independent | Blenheim Park | 04-05-2023 |
| David Burzotta | Conservative and Unionist Party | Chalkwell | 07-05-2020 |
| Nigel Folkard | Conservative and Unionist Party | Chalkwell | 05-05-2022 |
| Stephen Habermel | Conservative and Unionist Party | Chalkwell | 04-05-2023 |
| Andrew Moring | Conservative and Unionist Party | Eastwood Park | 05-05-2022 |
| Chris Walker | Conservative and Unionist Party | Eastwood Park | 07-05-2020 |
| Paul Collins | Liberal Democrats | Eastwood Park | 04-05-2023 |
| Helen McDonald | Labour Party | Kursaal | 07-05-2020 |
| Matt Dent | Labour Party | Kursaal | 05-05-2022 |
| Maggie Kelly | Labour Party | Kursaal | 04-05-2023 |
| Carole Mulroney | Liberal Democrats | Leigh | 05-05-2022 |
| Peter Wexham | Liberal Democrats | Leigh | 07-05-2020 |
| Ashley Thompson | Liberal Democrats | Leigh | 04-05-2023 |
| Cheryl Nevin | Labour Party | Milton | 05-05-2022 |
| Stephen George | Labour Party | Milton | 07-05-2020 |
| Kay Mitchell | Labour Party | Milton | 04-05-2023 |
| David Garston | Conservative and Unionist Party | Prittlewell | 07-05-2020 |
| Kevin Buck | Conservative and Unionist Party | Prittlewell | 05-05-2022 |
| Meg Davidson | Conservative and Unionist Party | Prittlewell | 04-05-2023 |
| Nick Ward | Independent | Shoeburyness | 05-05-2022 |
| Anne Chalk | Independent | Shoeburyness | 07-05-2020 |
| Steven Wakefield | Independent | Shoeburyness | 04-05-2023 |
| Alex Bright | Conservative and Unionist Party | Southchurch | 07-05-2020 |
| Daniel Nelson | Conservative and Unionist Party | Southchurch | 05-05-2022 |
| Ian Shead | Independent | Southchurch | 04-05-2023 |
| Mark Flewitt | Conservative and Unionist Party | St Laurence | 07-05-2020 |
| David McGlone | Conservative and Unionist Party | St Laurence | 05-05-2022 |
| Daniel Cowan | Labour Party | St Laurence | 04-05-2023 |
| Brian Ayling | Independent | St Lukes | 07-05-2020 |
| Trevor Harp | Independent | St Lukes | 05-05-2022 |
| Paul Van Looy | Independent | St Lukes | 04-05-2023 |
| Mike Stafford | Independent | Thorpe | 07-05-2020 |
| Martin Terry | Independent | Thorpe | 05-05-2022 |
| Ron Woodley | Independent | Thorpe | 04-05-2023 |
| Margaret Borton | Labour Party | Victoria | 05-05-2022 |
| Ian Gilbert | Labour Party | Victoria | 07-05-2020 |
| Jennifer Beck | Labour Party | Victoria | 04-05-2023 |
| Fay Evans | Conservative and Unionist Party | West Leigh | 05-05-2022 |
| John Lamb | Conservative and Unionist Party | West Leigh | 07-05-2020 |
| Beth Hooper | Liberal Democrats | West Leigh | 04-05-2023 |
| Derek Jarvis | Conservative and Unionist Party | West Shoebury | 07-05-2020 |
| Denis Garne | Conservative and Unionist Party | West Shoebury | 05-05-2022 |
| Tony Cox | Conservative and Unionist Party | West Shoebury | 04-05-2023 |
| Anne Jones | Labour Party | Westborough | 07-05-2020 |
| Kevin Robinson | Labour Party | Westborough | 05-05-2022 |
| Charles Willis | Labour Party | Westborough | 04-05-2023 |