Before (end of 1990) (46 seats, Elections Centre)
Conservative 26 · Labour 14 · Plaid Cymru - The Party of Wales 4 · Other 2 · Liberal Democrats 0
After (end of 1991) (46 seats, Elections Centre)
Labour 21 · Conservative 20 · Plaid Cymru - The Party of Wales 3 · Other 2 · Liberal Democrats 0
Ward results
Alexandra5 seats
| Anthony Ernest | Conservative | 2,047 ✓ |
| D Leddington | Conservative | 2,024 ✓ |
| A Wicks | Conservative | 1,994 ✓ |
| C Osborne | Conservative | 1,970 ✓ |
| A Williams | Conservative | 1,845 ✓ |
| L Barrett | Labour | 1,462 |
| J Birch | Labour | 1,339 |
| B Guidi | Labour | 1,288 |
| Paul Hutchings | Labour | 1,286 |
| P McGarrigle | Labour | 1,152 |
| K Hooper | Green | 597 |
| M Harries | Plaid Cymru - The Party of Wales | 460 |
| D Haswell | Plaid Cymru - The Party of Wales | 454 |
Baruc2 seats
| B Edmunds | Conservative | 892 ✓ |
| G Grant | Conservative | 762 ✓ |
| B Sharp | Labour | 710 |
| D Lewis | Labour | 632 |
| S William | Plaid Cymru - The Party of Wales | 295 |
| R Williams | Plaid Cymru - The Party of Wales | 277 |
| M Yandall | Liberal Democrats | 269 |
Cadoc3 seats
| N. Moore | Labour | 1,145 ✓ |
| R. Tobin | Labour | 1,051 ✓ |
| C. Collins | Labour | 1,045 ✓ |
| A. Pugh | Conservative | 481 |
| E. Nipper | Conservative | 479 |
| M. Webber | Plaid Cymru - The Party of Wales | 225 |
| C. Partridge | Plaid Cymru - The Party of Wales | 181 |
| K. Pask | Plaid Cymru - The Party of Wales | 167 |
Cornerswell2 seats
| J Flanigan | Conservative | 1,061 ✓ |
| N Gibbs | Labour | 1,048 ✓ |
| E Gibbs | Labour | 1,039 |
| P Blyth | Conservative | 923 |
Cowbridge3 seats
| C Clay | Conservative | 1,394 ✓ |
| R Davies | Conservative | 1,268 ✓ |
| Thomas Jarvie | Conservative | 1,236 ✓ |
| J Jones | Labour | 821 |
| J Hughes | Labour | 665 |
| Bryony Lynam Taylor | Green | 640 |
| G Hughes | Labour | 592 |
| E Thomas-Lawrence | Plaid Cymru - The Party of Wales | 159 |
| Horace Lewis | Plaid Cymru - The Party of Wales | 158 |
Dinas Powys4 seats
| Christopher Franks | Plaid Cymru - The Party of Wales | 2,034 ✓ |
| M Thomas | Plaid Cymru - The Party of Wales | 1,694 ✓ |
| J Jones | Plaid Cymru - The Party of Wales | 1,519 ✓ |
| B McParlin | Conservative | 1,447 ✓ |
| E. Roberts | Plaid Cymru - The Party of Wales | 1,412 |
| A Roberts | Conservative | 1,301 |
| Madeline Pound | Conservative | 1,275 |
| A Thomas | Conservative | 1,025 |
| J Davies | Labour | 764 |
| S Fox | Labour | 707 |
| John Moses | Labour | 656 |
| J Imperato | Labour | 580 |
| M Taylor | Liberal Democrats | 246 |
Dyfan2 seats
| R. Curtis | Labour | 1,041 ✓ |
| A. Dobbinson | Labour | 1,026 ✓ |
| B. Mepham | Conservative | 721 |
| N. Martin | Conservative | 634 |
| S. O'Brien | Liberal Democrats | 230 |
Gibbonsdown2 seats
| M. Nugent | Labour | 1,074 ✓ |
| R Wilkinson | Labour | 1,035 ✓ |
| C Howell | Conservative | 297 |
Illtyd3 seats
| Anthony Hampton | Conservative | 1,244 ✓ |
| N Brown | Labour | 1,062 ✓ |
| C Dunkley | Labour | 1,011 ✓ |
| E Williams | Conservative | 983 |
| J Connell | Conservative | 921 |
| F Dobbs | Labour | 892 |
| C Lakin | Conservative | 779 |
| E Rees | Plaid Cymru - The Party of Wales | 217 |
| Nic Hodges | Plaid Cymru - The Party of Wales | 213 |
Llandough1 seat
| D. Grenville | Independent | 498 |
| A. Roberts | Conservative | 221 |
Llantwit Major4 seats
| L Hughes | Labour | 2,344 ✓ |
| J Pearce | Labour | 1,533 ✓ |
| H March | Conservative | 1,469 ✓ |
| M Pearce | Labour | 1,419 ✓ |
| J King | Labour | 1,030 |
| J George | Conservative | 1,023 |
| S Hignell | Conservative | 939 |
| P Hignell | Conservative | 855 |
| E Owen | Independent | 507 |
| S Stephens | Plaid Cymru - The Party of Wales | 276 |
Peterson-Super-Ely1 seat · turnout 59.5%
| A Williams | Conservative | 589 |
| K. Matthews | Liberal Democrats | 299 |
| N. Butcher | Labour | 167 |
Rhoose2 seats · turnout 44.2%
| H James | Conservative | 1,111 ✓ |
| H. James | Conservative | 979 ✓ |
| B Donnelly | Labour | 447 |
| J Price | Labour | 415 |
St Athan1 seat
| J. James | Independent | 350 ✓ |
| M. White | Independent | 286 |
| R. Williams | Labour | 247 |
| Chris Davies | Liberal Democrats | 49 |
Stanwell2 seats
| M Birch | Labour | 826 ✓ |
| L Smith | Labour | 746 ✓ |
| Marc Cranfield-Adams | Conservative | 582 |
| E Massey | Conservative | 579 |
| D Haswell | Plaid Cymru - The Party of Wales | 308 |
| S Fford | Plaid Cymru - The Party of Wales | 222 |
Sully1 seat
| Sampson R. | Conservative | 890 |
| R. Cox | Labour | 448 |
| C. Southwell | Liberal Democrats | 177 |
| Results | — | 0 |
