Before (end of 2016) (64 seats, Elections Centre)
Labour 51 · Plaid Cymru - The Party of Wales 8 · Other 5 · Conservative 0 · Liberal Democrats 0
After (end of 2017) (64 seats, Elections Centre)
Labour 43 · Plaid Cymru - The Party of Wales 15 · Other 5 · Liberal Democrats 1 · Conservative 0
Ward results
Aberavon3 seats
| Scott Bamsey | PC | 543 ✓ |
| Steffan ap Dafydd | Labour | 500 ✓ |
| Nigel Hunt | PC | 491 ✓ |
| Diane Thomas | PC | 485 |
| Colin Clement | Labour | 475 |
| Keith Trelease Priddle | Labour | 442 |
| Ceri P. Golding | Independent | 376 |
| Jeremy Islwyn Trevor Davies | Independent | 313 |
| Mark Jones | Independent | 307 |
| Marian A. Lewis | Independent | 265 |
| Cen Phillips | Liberal Democrats | 260 |
Aberdulais1 seat
| Doreen Jones | Labour | 344 ✓ |
| Simon Peter Hopkins | Independent | 282 |
| Dan Thomas | PC | 118 |
Allt-Wen1 seat
| Christopher Jones | Labour | 394 ✓ |
| Sioned Ann Williams | — | 347 |
| Jacob Arron Jones | Conservative | 109 |
Baglan3 seats
| Peter Richards | Labour | 1,309 ✓ |
| Carol Clement-Williams | Labour | 1,159 ✓ |
| Susanne Renkes | Labour | 1,009 ✓ |
| Nicola Louise Butterfield | — | 699 |
Blaengwrach1 seat
| Carolyn Edwards | PC | 400 ✓ |
| Phillip John Parfitt | Labour | 158 |
| Richard Pritchard | UK Independence Party (UKIP) | 61 |
Briton Ferry East1 seat
| Christopher James | Labour | 405 ✓ |
| Colin Morgan | Independent | 318 |
Briton Ferry West1 seat
| Hugh Newton James | Labour | 0 ✓ |
Bryn & Cwmavon3 seats
| Rhidian Mizen | Labour | 1,383 ✓ |
| Charlotte Galsworthy | Labour | 1,079 ✓ |
| Dave Whitelock | Labour | 1,072 ✓ |
| Ian Bamsey | PC | 775 |
| Lee Felton | PC | 673 |
Bryn-côch North1 seat
| Wyndham Griffiths | PC | 410 ✓ |
| Janet Lockyer | Labour | 243 |
| Gavin Wycherley | Conservative | 201 |
Bryn-côch South2 seats
| Jackie Dudley | PC | 848 ✓ |
| Christopher Williams | PC | 808 ✓ |
| Emma Denholm-Hall | Labour | 460 |
| Alex Sims | Labour | 393 |
| Richard Minshull | Conservative | 366 |
| Shadanna Wycherley | Conservative | 290 |
| Catrin Brock | Green | 110 |
| Frank Little | Liberal Democrats | 102 |
Cadoxton1 seat
| Annette Wingrave | Labour | 253 ✓ |
| Jo Hale | PC | 198 |
| Peter Crocker-Jacques | Conservative | 82 |
| Robert Joseph King | Independent | 65 |
| Sheila Kingston-Jones | Liberal Democrats | 46 |
Cimla2 seats
| John Warman | Labour | 871 ✓ |
| Adam McGrath | Labour | 568 ✓ |
| Charley Cross | Liberal Democrats | 320 |
Coedffranc Central2 seats
| Arthur Davies | Labour | 561 ✓ |
| Angharad Rebecca Aubrey | Labour | 488 ✓ |
| Betsan Richards | Independent | 346 |
| Pauline Fellowes | — | 199 |
| Russell Morris | PC | 140 |
Coedffranc North1 seat
| Mike Harvey | Labour | 434 ✓ |
| Keith Davies | Liberal Democrats | 270 |
| Margaret Duguid | UK Independence Party (UKIP) | 69 |
Coedffranc West1 seat
| Helen Ceri Clarke | Liberal Democrats | 806 ✓ |
| Chris Wingrave | Labour | 268 |
Crynant1 seat
| Sian Harris | Independent | 448 ✓ |
| Karen Elizabeth Pearson | Labour | 250 |
| Suzanne Waldron | PC | 147 |
Cwmllynfell1 seat
| Hugh Jones | PC | 283 ✓ |
| Kris Lloyd | Labour | 194 |
Cymmer1 seat
| Scott Jones | Labour | 673 ✓ |
| Jeff Jones | Independent | 370 |
Dyffryn1 seat
| Martyn Peters | PC | 826 ✓ |
| Debbie Harvey | Labour | 299 |
Glyncorrwg1 seat
| Nicola-Jayne Elsie Davies | Independent | 276 ✓ |
| Robert Joyce | Labour | 239 |
Glynneath2 seats
| Simon Anthony Knoyle | Independent | 852 ✓ |
| Del Morgan | PC | 498 ✓ |
| John Evans | Independent | 316 |
| Philippa Richards | PC | 281 |
| Gerry Reynolds | Labour | 267 |
| Eddie Jones | Labour | 239 |
Godre'r Graig1 seat
| Rosalyn Davies | PC | 409 ✓ |
| Brian Hastie | Labour | 185 |
| Reg Atherton | Independent | 69 |
Gwaun-Cae-Gurwen1 seat
| Sonia Reynolds | Labour | 523 ✓ |
| Meirion Owen Jordan | — | 357 |
Gwynfi1 seat
| Ralph Thomas | Labour | 273 ✓ |
| Jane Jones | Independent | 214 |
Lower Brynamman1 seat
| Arwyn Nigel Woolcock | Labour | 439 ✓ |
| Robert Howard Smith | — | 93 |
Margam1 seat
| Rob Jones | Labour | 610 ✓ |
| Roger Smith | Conservative | 279 |
Neath East3 seats
| Sheila Penry | Labour | 587 ✓ |
| Sandra Miller | Labour | 575 ✓ |
| Jack Miller | Labour | 527 ✓ |
| Breandan Mac Cathail | PC | 375 |
| Paul Sambrook | PC | 337 |
| Dani Robertson | PC | 294 |
| Nicky Boyce | Conservative | 253 |
| Ian Thomas | Independent | 232 |
| Shaz Hughes | Independent | 230 |
| Robert Harris | Conservative | 173 |
Neath North2 seats
| Alan Lockyer | Labour | 560 ✓ |
| Mark Protheroe | Labour | 517 ✓ |
| Andy Lodwig | Independent | 515 |
| Orla Sarah Lowe | Conservative | 378 |
Neath South2 seats
| Jamie Evans | PC | 631 ✓ |
| Peter Rees | Labour | 614 ✓ |
| Andrew John Jenkins | Labour | 600 |
| Ann Rees - Sambrook | PC | 437 |
Onllwyn1 seat
| George Martin Dean Cawsey | Labour | 273 ✓ |
| Peter John Westall | Independent | 248 |
Pelenna1 seat
| Martin Ellis | Independent | 133 ✓ |
| Hywel Alwyn Miles | — | 132 |
| Peter Edward Hughes | Independent | 114 |
| Andrew Richard Jones | Labour | 90 |
Pontardawe2 seats
| Linet Purcell | PC | 992 ✓ |
| Anthony John Richards | — | 635 ✓ |
| Vince Hotten | Labour | 622 |
| Mike James | Labour | 609 |
| Sascha Lopez | Conservative | 260 |
| Kieran Davies | Conservative | 233 |
Port Talbot3 seats
| Dennis Keogh | Labour | 0 ✓ |
| Sharon Freeguard | Labour | 0 ✓ |
| Saifur Rahaman | Labour | 0 ✓ |
Resolven1 seat
| David Davies | Labour | 461 ✓ |
| Darren Lee Bromham-Nichols | Independent | 388 |
| David Trefor Jones | — | 265 |
Rhos1 seat
| Alex Thomas | Labour | 440 ✓ |
| Matthew Spooner | PC | 297 |
| Amanda Wycherley | Conservative | 227 |
Sandfields East3 seats
| Ted Latham | Labour | 1,064 ✓ |
| Sean Mark Pursey | Labour | 1,002 ✓ |
| Matthew Crowley | Labour | 937 ✓ |
| Deborah Mary Bamsey | — | 583 |
| Captain Beany | Independent | 504 |
Sandfields West3 seats
| Suzanne Paddison | Labour | 851 ✓ |
| Oliver Stewart Davies | Labour | 838 ✓ |
| Robert Wood | Labour | 749 ✓ |
| Andrew Leonard John Bennison | — | 430 |
| Audrey Chaves | Independent | 395 |
| Sam Wright | PC | 364 |
| Victoria Griffiths | PC | 360 |
| James Evans | Independent | 339 |
| Taz Taylor | Liberal Democrats | 97 |
Seven Sisters1 seat
| Steve Hunt | Independent | 678 ✓ |
| Nia Ffion Herdman | Labour | 284 |
Tai-bach2 seats
| Anthony Taylor | Labour | 868 ✓ |
| Rachel Louise Taylor | Labour | 756 ✓ |
| Andrew James Tutton | Independent | 662 |
Tonna1 seat
| Leanne Claire Jones | Labour | 327 ✓ |
| Lee Michael Bromham-Nichols | — | 305 |
| Kathryn Elizabeth Ann Minshull | Conservative | 107 |
| Nick Williams | Independent | 83 |
Trebanos1 seat
| Rebeca Phillips | PC | 284 ✓ |
| Rosemary Jane Jones | Labour | 187 |
Ystalyfera1 seat
| Alun Llewelyn | PC | 618 ✓ |
| Christopher James | Labour | 305 |
