Before (end of 2011) (75 seats, Elections Centre)
Labour 46 · Plaid Cymru - The Party of Wales 19 · Other 6 · Liberal Democrats 3 · Conservative 1
After (end of 2012) (75 seats, Elections Centre)
Labour 60 · Plaid Cymru - The Party of Wales 9 · Other 4 · Conservative 1 · Liberal Democrats 1
Ward results
Aberaman North2 seats
| Anthony Christopher | Labour | 900 ✓ |
| Linda De Vet | Labour | 781 ✓ |
| Wayne Lloyd | PC | 396 |
Aberaman South2 seats
| Anita Calvert | Labour | 890 ✓ |
| Tina Williams | Labour | 861 ✓ |
| Handel Davies | PC | 501 |
| Lea Dempsey | PC | 350 |
Abercynon2 seats
| Alby Davies | Labour | 903 ✓ |
| Rhys Lewis | Labour | 681 ✓ |
| Stuart Gregory | Independent | 519 |
| Rhodri Owen | PC | 334 |
| John Matthews | Green | 161 |
| Sean Hackett | Liberal Democrats | 65 |
Aberdare East2 seats
| Steve Bradwick | Labour | 1,414 ✓ |
| Michael Forey | Labour | 1,269 ✓ |
| David Walters | PC | 578 |
Aberdare West/Llwydcoed3 seats
| Ann Crimmings | Labour | 1,306 ✓ |
| Jeremy Islwyn Trevor Davies | Labour | 1,118 ✓ |
| Sharon Rees | Labour | 1,095 ✓ |
| John Daniel | PC | 1,049 |
| Liz Walters | PC | 934 |
| Wayne Richards | PC | 899 |
Beddau1 seat
| Richard Yeo | Labour | 661 ✓ |
| Mike Sinclair-Thomson | Independent | 174 |
| James Radcliffe | PC | 116 |
Brynna1 seat
| Rita Turner | Labour | 771 ✓ |
| Mick Tems | PC | 213 |
Church Village1 seat
| Graham Stacey | Labour | 657 ✓ |
| Rhodri Watkins | PC | 189 |
| Christopher Norton | Conservative | 169 |
Cilfynydd1 seat
| Beverly Morgan | Labour | 354 ✓ |
| Stephen Belzak | Independent | 189 |
| James Hackett | Liberal Democrats | 132 |
| Stuart Fisher | PC | 57 |
Cwm Clydach1 seat
| Mark Norris | Labour | 508 ✓ |
| Heidi Whitter | PC | 220 |
Cwmbach1 seat
| Jeffrey Elliot | Labour | 757 ✓ |
| Adrian Jarman | PC | 436 |
Cymmer2 seats
| Christopher Williams | Labour | 989 ✓ |
| Margaret Tegg | Labour | 972 ✓ |
| Nicole Griffiths | PC | 430 |
| Edwyn Parry | PC | 331 |
Ferndale2 seats
| Philip Howe | Independent | 952 ✓ |
| Annette Davies | Labour | 604 ✓ |
| Ceri Jones | Labour | 463 |
| Norma Williams | PC | 385 |
| Martin Rees | Independent | 323 |
Gilfach-Goch1 seat
| Aufron Roberts | Labour | 826 ✓ |
| Gerald Leslie Francis | Liberal Democrats | 213 |
| Emyr Wilkinson | Conservative | 30 |
Glyn-Coch1 seat
| David Williams | Labour | 0 ✓ |
Graig1 seat
| Joyce Cass | Labour | 339 ✓ |
| Bob Fox | Independent | 140 |
| Jennifer Hughes | PC | 65 |
| George Summers | Liberal Democrats | 21 |
| Glyn Matthews | TUSC | 8 |
Hawthorn1 seat
| Teressa Bates | Labour | 482 ✓ |
| Iago ap Steffan | PC | 352 |
| Jeanette Jones | Liberal Democrats | 83 |
Hirwaun1 seat
| Karen Morgan | PC | 712 ✓ |
| Jennifer Hartwell | Labour | 452 |
Llanharan1 seat
| Geraint Hopkins | Labour | 510 ✓ |
| John Dilworth | PC | 262 |
Llanharry1 seat
| Barry Stephens | Labour | 600 ✓ |
| Julie Dilworth | PC | 247 |
Llantrisant Town1 seat
| Glynne Holmes | Labour | 940 ✓ |
| Steven Harry | PC | 248 |
| Ann-Marie Mason | Conservative | 162 |
Llantwit Fardre2 seats
| Joel James | Conservative | 630 ✓ |
| Jacqui Bunnage | Labour | 535 ✓ |
| Bev Channon | Labour | 481 |
| Alex Coombs | Conservative | 421 |
| Jools Jones | Independent | 275 |
| Margaret Burtonwood | Independent | 260 |
| Steve Owen | PC | 243 |
| Steven Thomas | PC | 175 |
Llwyn-y-pia1 seat
| Sylvia Jones | Labour | 357 ✓ |
| Naethan Jones | PC | 208 |
Maerdy1 seat
| Keiron Montague | Labour | 832 ✓ |
| Gareth Evans | PC | 217 |
Mountain Ash East1 seat
| Pauline Jarman | PC | 544 ✓ |
| Wendy Treeby | Labour | 356 |
Mountain Ash West2 seats
| Andrew Morgan | Labour | 885 ✓ |
| Simon Lloyd | Labour | 770 ✓ |
| Nicola Benney | PC | 287 |
Pen-Y-Graig2 seats
| Kenneth Privett | Labour | 775 ✓ |
| Dennis Weeks | Labour | 754 ✓ |
| Alison Jones | PC | 513 |
| Mark Lewis | PC | 421 |
Pen-Y-Waun1 seat
| Helen Boggis | Labour | 378 ✓ |
| Anthony Edwards | Independent | 228 |
| Penri James | PC | 169 |
Penrhiw-Ceiber2 seats
| Adam Daniel Fox | Labour | 1,104 ✓ |
| Janet Ward | Labour | 947 ✓ |
| Lyn Warner | PC | 473 |
| Mia Hollsing | TUSC | 135 |
Pentre2 seats
| Shelley Rebecca Rees-Owen | PC | 867 ✓ |
| Maureen Owen Weaver | PC | 789 ✓ |
| Eilane Barnett | Labour | 741 |
| Kris Evans | Labour | 724 |
| Leigh Evans | Green | 87 |
| Linda Evans | Green | 82 |
Pont-y-clun2 seats
| Paul Griffiths | Labour | 651 ✓ |
| Margaret Griffiths | Labour | 642 ✓ |
| Brendan O'Reilly | Independent | 567 |
| Jonathan Huish | PC | 527 |
| Merfyn Rea | PC | 487 |
| Dan Saxton | Conservative | 422 |
| Ken Forsdyke | Independent | 334 |
| Gordon Norman | Independent | 332 |
| David Bevan | UK Independence Party (UKIP) | 217 |
Pontypridd Town1 seat
| Steve Carter | Labour | 372 ✓ |
| Joe Payne | Independent | 312 |
| Ross Martin | PC | 123 |
| Dewi Gray | Liberal Democrats | 92 |
Porth2 seats
| Margaret Davies | Labour | 941 ✓ |
| Graham Smith | Labour | 809 ✓ |
| James Eirwyn Williams | PC | 662 |
| Alun Cox | PC | 582 |
| Cliff Jones | TUSC | 155 |
Rhigos1 seat
| Graham Thomas | Labour | 341 ✓ |
| Beverley Hall | PC | 187 |
| Colin Woodley | Independent | 75 |
Rhondda2 seats
| Tina Leyshon | Labour | 623 ✓ |
| Robert Smith | Labour | 531 ✓ |
| Graeme Beard | Independent | 434 |
| Philip Price | Independent | 303 |
| Richard Reast | Green | 176 |
| Hannah Fisher | PC | 169 |
| Ken Owen | Independent | 155 |
Rhydfelen Central/Ilan1 seat
| Maureen Webber | Labour | 714 ✓ |
| Bob Humphries | PC | 128 |
| Lee Thacker | Liberal Democrats | 59 |
Taffs Well1 seat
| Jill Bonetto | Labour | 589 ✓ |
| Adrian Hobson | PC | 359 |
Talbot Green1 seat
| Paul Baccara | Independent | 400 ✓ |
| Jeffrey Woodington | Labour | 375 |
| Elwyn Williams | PC | 66 |
| Gregory Zuckerman | Conservative | 49 |
Ton-teg2 seats
| Lyndon Graham Walker | Independent | 645 ✓ |
| Jess David | Labour | 593 ✓ |
| Ray Butler | Labour | 536 |
| Karen Roberts | Liberal Democrats | 282 |
| Anna Rees | Conservative | 183 |
| Ian Rees | Conservative | 175 |
| Geraint Huw Day | PC | 161 |
Tonypandy1 seat
| Craig Middle | Labour | 651 ✓ |
| Tina Davies | PC | 344 |
Tonyrefail East2 seats
| Paul Wasley | Independent | 629 ✓ |
| Bob McDonald | Labour | 610 ✓ |
| Russell Roberts | Labour | 576 |
| Phil Doyle | Independent | 549 |
| Gregory Morgan Powell | PC | 430 |
| Hendrik Haye | Liberal Democrats | 178 |
Tonyrefail West1 seat
| Eudine Hanagan | Labour | 792 ✓ |
| Danny Greham | PC | 360 |
| Shawn Anthony Stevens | Independent | 331 |
Trallwng1 seat
| Michael Robert Thomas Powell | Liberal Democrats | 537 ✓ |
| Andrew Bevan | Labour | 417 |
| Adrian Dumphy | Independent | 120 |
| Tony Richards | PC | 84 |
Trealaw1 seat
| Joy Rosser | Labour | 749 ✓ |
| Rebecca Winter | PC | 244 |
| Tina Ludlow | Independent | 95 |
Treforest1 seat
| Steve Powderhill | Labour | 424 ✓ |
| Royston O'Reilly | Liberal Democrats | 153 |
| Ceri Carter | PC | 61 |
| Paul Carter | Green | 36 |
Treherbert2 seats
| Graham Davies | PC | 1,081 ✓ |
| Irene Pearce | PC | 978 ✓ |
| Luke Bouchard | Labour | 835 |
| Paul Russell | Labour | 726 |
Treorchy3 seats
| Calum Davies | PC | 1,252 ✓ |
| Sheryl Evans | PC | 1,247 ✓ |
| Emyr Webster | PC | 1,140 ✓ |
| Graham Thomas | Labour | 1,099 |
| Ron Jones | Labour | 1,096 |
| Hardev Singh | Labour | 1,012 |
Tylorstown2 seats
| Robert Bevan | Labour | 1,003 ✓ |
| Mark Adams | Labour | 910 ✓ |
| Craig Jones | SOC LAB | 275 |
| Gareth Taylor | PC | 218 |
Tyn-y-nant1 seat
| Constance Willis | Labour | 791 ✓ |
| Carole Ann Willis | PC | 116 |
Ynyshir1 seat
| Lionel Langford | Labour | 606 ✓ |
| Christian Reed | PC | 372 |
Ynysybwl1 seat
| Sue Pickering | Labour | 587 ✓ |
| Richard Isaac | Liberal Democrats | 414 |
| Elaine Williams | PC | 316 |
| Ann Kathleen Williamson | Conservative | 55 |
Ystrad2 seats
| Paul Cannon | Labour | 979 ✓ |
| Malcolm John Watts | Labour | 804 ✓ |
| Larraine Jones | PC | 591 |
| Esther Nagle | PC | 536 |
| Angharad Jones | Liberal Democrats | 121 |
