| Name | Party | Ward | End of Term |
|---|
| Tom Turner | Conservative and Unionist | Aber-craf | 2021 |
| David Thomas | Labour Party | Banwy | 2021 |
| Peter Medlicott | Independent / Other | Beguildy | 2021 |
| Melanie Davies | Independent / Other | Berriew | 2021 |
| Linda Corfield | Independent / Other | Blaen Hafren | 2021 |
| Michael J Jones | Independent / Other | Bronllys | 2021 |
| Darren Mayor | Independent / Other | Builth | 2021 |
| Kathryn Silk | Liberal Democrats | Bwlch | 2021 |
| David Evans | Independent / Other | Caersws | 2021 |
| Matthew Dorrance | Labour Party | Churchstoke | 2021 |
| Maureen Mackenzie | Liberal Democrats | Crickhowell | 2021 |
| Steve Davies | Conservative and Unionist | Cwm-twrch | 2021 |
| Tim Van-Rees | Independent / Other | Disserth and Trecoed | 2021 |
| David Price | Independent / Other | Dolforwyn | 2021 |
| Graham Brown | Independent / Other | Felin-fach | 2021 |
| Dai Davies | Independent / Other | Forden | 2021 |
| Graham Breeze | Independent / Other | Glantwymyn | 2021 |
| Gemma-Jane Bowker | Liberal Democrats | Glasbury | 2021 |
| Jeff Holmes | Independent / Other | Guilsfield | 2021 |
| Rachel Davies | Independent / Other | Gwernyfed | 2021 |
| John Morris | Liberal Democrats | Hay | 2021 |
| Barry Thomas | Independent / Other | Kerry | 2021 |
| Michael Williams | Independent / Other | Knighton | 2021 |
| Keith Tampin | Independent / Other | Llanafanfawr | 2021 |
| Phil Pritchard | Independent / Other | Llanbadarn Fawr | 2021 |
| Stephen Hayes | Independent / Other | Llanbrynmair | 2021 |
| Geraint Hopkins | Independent / Other | Llandinam | 2021 |
| Garry Banks | Independent / Other | Llandrindod East/Llandrindod West | 2021 |
| Evan Morgan | Independent / Other | Llandrindod North | 2021 |
| William Powell | Liberal Democrats | Llandrindod South | 2021 |
| Kath Roberts-Jones | Independent / Other | Llandrinio | 2021 |
| Gwilym Williams | Conservative and Unionist | Llandysilio | 2021 |
| James Gibson-Watt | Liberal Democrats | Llanelwedd | 2021 |
| Joy Jones | Independent / Other | Llanfair Caereinion | 2021 |
| Arwel Jones | Independent / Other | Llanfihangel | 2021 |
| David Jones | Independent / Other | Llanfyllin | 2021 |
| Gwilym Vaughan | Independent / Other | Llangattock | 2021 |
| Peter Harris | Independent / Other | Llangors | 2021 |
| John Powell | Independent / Other | Llangunllo | 2021 |
| Liam Fitzpatrick | Independent / Other | Llangynidr | 2021 |
| Francesca Jump | Liberal Democrats | Llanidloes | 2021 |
| John Brunt | Independent / Other | Llanrhaeadr-ym-Mochnant/Llansilin | 2021 |
| Tony Thomas | Independent / Other | Llansanffraid | 2021 |
| Myfanwy Alexander | Independent / Other | Llanwddyn | 2021 |
| Aled Davies | Conservative and Unionist | Llanwrtyd Wells | 2021 |
| Wynne Jones | Independent / Other | Llanyre | 2021 |
| David Meredith | Labour Party | Machynlleth | 2021 |
| Bob Mills | Independent / Other | Maescar/Llywel | 2021 |
| Gillian Thomas | Independent / Other | Meifod | 2021 |
| Rosemarie Harris | Independent / Other | Montgomery | 2021 |
| Roche Davies | Independent / Other | Nantmel | 2021 |
| Gareth Ratcliffe | Liberal Democrats | Newtown Central | 2021 |
| Sandra Davies | Labour Party | Newtown East | 2021 |
| Joy Shearer | Independent / Other | Newtown Llanllwchaiarn North | 2021 |
| Dawn Bailey | Independent / Other | Newtown Llanllwchaiarn West | 2021 |
| Hywel Lewis | Independent / Other | Newtown South | 2021 |
| Eldrydd Jones | Independent / Other | Old Radnor | 2021 |
| Viola Evans | Independent / Other | Presteigne | 2021 |
| Paul Ashton | Liberal Democrats | Rhayader | 2021 |
| Dai Jones | Independent / Other | Rhiwcynon | 2021 |
| Peter Lewis | Conservative and Unionist | St. David Within | 2021 |
| Russell George | Conservative and Unionist | St. John | 2021 |
| E Michael Jones | Independent / Other | St. Mary | 2021 |
| Gareth Morgan | Liberal Democrats | Talgarth | 2021 |
| Sarah Williams | Labour Party | Talybont-on-Usk | 2021 |
| Gary Price | Conservative and Unionist | TaweUchaf | 2021 |
| John Evans | Independent / Other | Trewern | 2021 |
| Susan McNicholas | Labour Party | Welshpool Castle | 2021 |
| Kelvyn Curry | Liberal Democrats | Welshpool Gungrog | 2021 |
| Huw Williams | Labour Party | Welshpool Llanerchyddol | 2021 |
| Graham Jones | Conservative and Unionist | Ynyscedwyn | 2021 |
| Vacancy | Vacant | Yscir | 2021 |
| Gwynfor Thomas | Conservative and Unionist | Ystradgynlais | 2021 |