Before (end of 2016) (42 seats, Elections Centre)
Plaid Cymru - The Party of Wales 19 · Other 16 · Liberal Democrats 7 · Conservative 0 · Labour 0
After (end of 2017) (42 seats, Elections Centre)
Plaid Cymru - The Party of Wales 20 · Other 13 · Liberal Democrats 8 · Labour 1 · Conservative 0
Ward results
Aberaeron1 seat
| Elizabeth Evans | Liberal Democrats | 559 ✓ |
| Owain Arwel Glyn Hughes | — | 73 |
| Owain Hughes | PC | 63 |
Aberporth1 seat
| Gethin Davies | PC | 386 ✓ |
| Gethin James | Independent | 323 |
| Stefani Flower | Liberal Democrats | 114 |
| Owen William Edward Millward | Conservative | 90 |
| Thomas John Adams-Lewis | — | 411 ✓ |
| Myfanwy Sian Maehrlein | Liberal Democrats | 371 |
| Anne Elaine Evans | Liberal Democrats | 258 ✓ |
| Shan Elizabeth Williams | — | 139 |
Aberteifi/Cardigan-Teifi1 seat
| Catrin Miles | — | 168 ✓ |
| Stephen Paul Greenhalgh | Liberal Democrats | 120 |
Aberystwyth Bronglais1 seat
| Alun Williams | — | 342 ✓ |
| Jamie Matthew Dearden | Liberal Democrats | 47 |
| Jamie Christopher Scott | Labour | 33 |
| Ceredig Wyn Davies | Liberal Democrats | 215 ✓ |
| Jeff Alfred Smith | — | 73 |
| Julie Karen Makin | Green | 35 |
| Mark Robert Bolderston | Independent | 12 |
Aberystwyth Central1 seat
| Ceredig Davies | Liberal Democrats | 215 ✓ |
| Jeff Smith | PC | 73 |
| Julie Makin | Green | 35 |
| Mark Bolderston | Independent | 12 |
| Mark Antony Strong | — | 313 ✓ |
| Bryony Siân Davies | Liberal Democrats | 180 |
Aberystwyth North1 seat
| Mark Strong | PC | 313 ✓ |
| Bryony Davies | Liberal Democrats | 180 |
Aberystwyth Penparcau2 seats
| Steve Davies | PC | 354 ✓ |
| Glyndwr Lloyd Edwards | Liberal Democrats | 251 ✓ |
| Dylan Paul Lewis | — | 247 |
| Elian Lorrae Jones-Southgate | Independent | 216 |
| Charlie Kingsbury | Liberal Democrats | 213 |
| Alex Mangold | Labour | 177 |
Aberystwyth Rheidol1 seat
| Mark Endaf Edwards | — | 170 ✓ |
| Mair Benjamin | Liberal Democrats | 154 |
| Jeremy Islwyn Trevor Davies | Independent | 134 |
| Claudine Young | Labour | 97 |
| Martin Wyn Shewring | Independent | 55 |
Beulah1 seat
| William David Lyndon Lloyd | — | 0 ✓ |
Borth1 seat
| Ray Quant | Independent | 326 ✓ |
| Hugh Richard Michael Hughes | Independent | 285 |
| Kevin Roy Price | — | 158 |
| Phil Turner-Wright | Independent | 65 |
Capel Dewi1 seat
| Terry Davies | Independent | 362 ✓ |
| John Gethin Jones | — | 253 |
Cardigan Mwldan1 seat
| Thomas Adams-Lewis | PC | 411 ✓ |
| Sian Maehrlein | Liberal Democrats | 371 |
Cardigan Rhyd-y-Fuwch1 seat
| Annette Evans | Liberal Democrats | 258 ✓ |
| Shan Williams | PC | 139 |
Cardigan Teifi1 seat
| Catrin Miles | PC | 168 ✓ |
| Stephen Greenhalgh | Liberal Democrats | 120 |
Ceulan A Maesmawr1 seat
| Ellen ap Gwynn | PC | 452 ✓ |
| John Dilwyn Lewis | Independent | 368 |
Ciliau Aeron1 seat
| Marc Davies | Independent | 443 ✓ |
| John Edward Charles Lumley | — | 281 |
| Sonia Williams | Independent | 134 |
Faenor1 seat
| John Roberts | Liberal Democrats | 413 ✓ |
| Talat Zafar Chaudhri | — | 174 |
| Gareth Stevan Kelly | Labour | 95 |
| Chris Simpson | Green | 40 |
Lampeter2 seats
| Hag Harris | Labour | 737 ✓ |
| Jacob Williams | Independent | 551 ✓ |
| Elin Walker Jones | — | 270 |
Llanarth1 seat
| Bryan Davies | — | 0 ✓ |
Llanbadarn Fawr Padarn1 seat
| Gethin Davies | PC | 236 ✓ |
| Juliet Price | Liberal Democrats | 143 |
Llanbadarn Fawr Sulien1 seat
| Penri James | PC | 267 ✓ |
| Michael Chappell | Liberal Democrats | 58 |
| Wiliam Jac Rees | Labour | 33 |
| John Roy Morgan | Green | 20 |
Llandyfriog1 seat
| James Thomas | PC | 0 ✓ |
| Neil Flower | Liberal Democrats | 0 ✓ |
Llandysiliogogo1 seat
| Gareth Lloyd | Independent | 0 ✓ |
Llandysul Town1 seat
| Evan John Keith Evans | Independent | 407 ✓ |
| Peter Godfrey Evans | — | 236 |
Llanfarian1 seat
| Alun Lloyd Jones | — | 0 ✓ |
Llanfihangel Ystrad1 seat
| William Lynford Thomas | — | 510 ✓ |
| Angela Lewes Gee | Liberal Democrats | 274 |
| Elly Foster | Green | 77 |
Llangeitho1 seat
| David Evans | Independent | 534 ✓ |
| Margaret Eirwen James | Independent | 132 |
| James Ralph Cook | Labour | 82 |
Llangybi1 seat
| John Timothy Odwyn Davies | — | 402 ✓ |
| Dinah Mulholland | Labour | 173 |
Llanrhystyd1 seat
| David Rowland Rees-Evans | Liberal Democrats | 482 ✓ |
| Hywel Llŷr Jenkins | — | 140 |
| Tony Geraghty | Labour | 118 |
| Alan Scott Durrant | Independent | 49 |
| John Raymond Crocker | Green | 35 |
Llansantffraed1 seat
| David William Edwards | Independent | 795 ✓ |
| Harry Hayfield | — | 228 |
Llanwenog1 seat
| Euros Davies | Independent | 0 ✓ |
Lledrod1 seat
| Ifan Lloyd Davies | Independent | 571 ✓ |
| Aaron Benjamin | Independent | 325 |
| Angharad Danielle Adrienne Shaw | — | 161 |
Melindwr1 seat
| Daniel Rhodri Davies | — | 627 ✓ |
| Gordon Patrick Walker | Liberal Democrats | 165 |
New Quay1 seat
| Dan Potter | Independent | 261 ✓ |
| Gill Hopley | Independent | 205 |
| Faith Millward | Conservative | 30 |
Pen-parc1 seat
| Clive Davies | — | 423 ✓ |
| Des Davies | Independent | 265 |
| Graham William Dixon | Liberal Democrats | 142 |
| Nigel Sydney Moore | Conservative | 121 |
Penbryn1 seat
| Emyr Gwyn James | Independent | 691 ✓ |
| Steffan Jenkins | PC | 274 |
Tirymynach1 seat
| Paul Hinge | Liberal Democrats | 468 ✓ |
| Richard Michael Lucas | — | 365 |
Tregaron1 seat
| Catherine Hughes | PC | 325 ✓ |
| Karine Davies | Liberal Democrats | 276 |
Troedyraur1 seat
| Maldwyn Lewis | — | 0 ✓ |
Ystwyth1 seat
| John Edwin Meirion Davies | Liberal Democrats | 503 ✓ |
| Mererid Jones | PC | 324 |
