Before (end of 1980) (70 seats, Elections Centre)
Labour 41 · Other 16 · Conservative 10 · Plaid Cymru - The Party of Wales 3 · The Liberal Party 0
After (end of 1981) (70 seats, Elections Centre)
Labour 56 · Conservative 10 · Other 4 · SDP-Liberal Alliance 0 · Plaid Cymru - The Party of Wales 0
Ward results
Aberavon East & West3 seats · turnout 41.9%
| C. Crowley | Labour | 3,656 |
| C. Lewis | Labour | 3,434 |
| P. Jones | Labour | 3,287 |
| B. Thomas | NT | 1,495 |
| W. Johnson | NT | 1,423 |
| J. Roberts | NT | 1,241 |
Aberavon North1 seat · turnout 49.6%
| M. Harris | Labour | 1,653 |
| R. Hubbard | RATE | 1,590 |
Aberavon South1 seat
| W. Llewellyn | Labour | 1,310 |
| L. Carey | RATE | 709 |
Brynmelyn2 seats · turnout 31.1%
| J. Dowdle | Labour | 1,432 |
| D. Thomas | Labour | 1,312 |
| J. Harris | Plaid Cymru - The Party of Wales | 96 |
Castle2 seats · turnout 35.9%
| P. Jones | Labour | 958 |
| B. Ludlam | Labour | 927 |
| R. Lewis | Conservative | 394 |
| S. Percival | RATE | 290 |
| L. Davies | Plaid Cymru - The Party of Wales | 89 |
Fforest Fach2 seats · turnout 29.1%
| V. Alexander | Labour | 2,180 |
| D. Bevan | Labour | 2,149 |
| L. Evans | RATE | 1,054 |
| D. Bevan | Plaid Cymru - The Party of Wales | 436 |
| A. Williams | Plaid Cymru - The Party of Wales | 393 |
Ffynone2 seats · turnout 45.5%
| W. Price | Conservative | 1,357 ✓ |
| M. Hoskins | Conservative | 1,347 ✓ |
| L. Martin | Labour | 869 |
| G. Carruthers | Labour | 821 |
| M. Shrewsbury | Liberal Democrats | 641 |
| J. Mann | Liberal Democrats | 564 |
| J. Thomas | Plaid Cymru - The Party of Wales | 121 |
| I. McKevit | Plaid Cymru - The Party of Wales | 105 |
Glyncorrwg2 seats · turnout 47.9%
| G. Davies | Labour | 1,839 |
| D. Daniels | Labour | 1,601 |
| G. James | RATE | 934 |
| M. Goodridge | Independent | 922 |
Gower No.11 seat · turnout 48.8%
| J. Bartlett | Conservative | 1,082 |
| D. Richards | Independent | 765 |
Gower No.21 seat · turnout 50.1%
| J. Stock | Labour | 1,303 |
| C. Sanders | RATE | 879 |
| F. Davies | Conservative | 359 |
Gower No.31 seat · turnout 53.4%
| M. Smith | Independent | 1,202 |
| F. Richards | Conservative | 782 |
| L. Beynon | Independent | 695 |
Landore2 seats · turnout 32.8%
| D. Cox | Labour | 1,312 |
| N. Porter | Labour | 1,171 |
| N. Rees | RATE | 423 |
| A. Williams | Conservative | 329 |
| A. Reid | Plaid Cymru - The Party of Wales | 173 |
Llansamlet2 seats · turnout 26.4%
| L. Penhaligan | Labour | 2,895 |
| W. Davies | Labour | 2,672 |
| C. Phillips | Plaid Cymru - The Party of Wales | 770 |
| G. Watkins | Plaid Cymru - The Party of Wales | 644 |
Llwchwr No.11 seat · turnout 65.9%
| G. Williams | Labour | 1,922 |
| C. Morgan | Independent | 995 |
Llwchwr No.22 seats · turnout 41.1%
| D. Davies | Labour | 2,768 |
| J. Pullen | Labour | 2,240 |
| D. Jones | Plaid Cymru - The Party of Wales | 1,135 |
| D. Demery | Plaid Cymru - The Party of Wales | 988 |
| A. Johns | Conservative | 592 |
Llwchwr No.32 seats · turnout 37.4%
| J. Thomas | Labour | 2,162 |
| D. Turner | Labour | 2,105 |
| W. Evans | Plaid Cymru - The Party of Wales | 1,210 |
| A. Griffiths | Conservative | 964 |
Margam Central1 seat · turnout 47.7%
| J. Rogers | Labour | 1,252 |
| W. Jones | Independent | 606 |
Margam North1 seat · turnout 60.9%
| D. Southall | Labour | 843 |
| S. Williams | Independent | 618 |
Margam West1 seat · turnout 46.6%
| E. Miles | RATE | 1,254 |
| E. Hayward | Labour | 541 |
Morriston2 seats · turnout 32.4%
| C. Moriarty | Labour | 1,975 |
| E. Adams | Labour | 1,929 |
| G. Davies | RATE | 1,368 |
| C. Greep | Independent | 1,356 |
| C. Reid | Plaid Cymru - The Party of Wales | 752 |
| D. Harris | Plaid Cymru - The Party of Wales | 546 |
Mumbles2 seats · turnout 34.2%
| A. Chilcott | Conservative | 3,075 |
| W. Hughes | Conservative | 2,883 |
| E. Miles | Labour | 1,438 |
| O. Jones | Plaid Cymru - The Party of Wales | 465 |
| D. James | Plaid Cymru - The Party of Wales | 231 |
Neath No.14 seats · turnout 31.8%
| F. Kingdom | Labour | 3,620 |
| D. Dvid | Labour | 3,549 |
| D. Jeffs | Labour | 3,399 |
| D. Roberts | Labour | 3,371 |
| S. Evans | RATE | 1,879 |
| M. Griffiths | Plaid Cymru - The Party of Wales | 882 |
| J. Leaker | Conservative | 734 |
Neath No.22 seats · turnout 43.9%
| F. Evans | Labour | 2,086 |
| M. Jones | Labour | 1,834 |
| R. Jones | RATE | 1,318 |
| O. Phillips | RATE | 1,289 |
| I. Curtis | Plaid Cymru - The Party of Wales | 593 |
Neath Rural No.2 seats
| R. Jones | Labour | 2,881 ✓ |
| N. Thomas | Labour | 2,586 ✓ |
| A. Gwyn | Plaid Cymru - The Party of Wales | 2,548 |
| M. Thomas | Independent | 2,338 |
| J. Morgan | Plaid Cymru - The Party of Wales | 2,079 |
| D. Davies | Labour | 1,810 |
| T. Thomas | Labour | 1,771 |
| D. Thomas | Labour | 1,479 |
| M. Davies | Plaid Cymru - The Party of Wales | 1,211 |
| D. Florance | Labour | 1,171 |
| G. Morgan | COMM | 925 |
| D. Davies | Independent | 680 |
| T. Evans | Plaid Cymru - The Party of Wales | 588 |
| R. Brown | Conservative | 347 |
| T. Philips | Plaid Cymru - The Party of Wales | 295 |
| E. Evans | Plaid Cymru - The Party of Wales | 174 |
Neath Rural No. 51 seat · turnout 50.5%
| D. Williams | Labour | 1,892 |
| W. Lewis | Plaid Cymru - The Party of Wales | 542 |
Penderry3 seats · turnout 24.3%
| T. Jones | Labour | 3,583 |
| J. Allison | Labour | 3,425 |
| G. Thomas | Labour | 3,396 |
| P. Freeman | Plaid Cymru - The Party of Wales | 664 |
| W. Jones | COMM | 469 |
Pontardawe No.11 seat · turnout 37.3%
| G. Williams | Ind Lab | 763 |
| E. Myrley | Labour | 703 |
Pontardawe No.22 seats
| T. Maunder | Labour | 2,378 |
| B. Ford | Labour | 2,284 |
| I. Richards | Plaid Cymru - The Party of Wales | 1,023 |
| G. Rees | Plaid Cymru - The Party of Wales | 834 |
Pontardawe No.33 seats · turnout 41.0%
| M. Morgan | Labour | 3,766 |
| W. Rees | Labour | 3,192 |
| S. Thomas | Labour | 2,913 |
| W. Evans | Plaid Cymru - The Party of Wales | 2,222 |
| R. Davies | Plaid Cymru - The Party of Wales | 2,139 |
Sketty3 seats · turnout 37.6%
| M. Vaughan | Conservative | 4,412 |
| R. Massey-Shaw | Conservative | 4,224 |
| S. Perry | Conservative | 4,221 |
| M. Hedges | Labour | 2,075 |
| R. Samuel | Labour | 1,956 |
| D. Collins | Labour | 1,810 |
| K. Parry | Plaid Cymru - The Party of Wales | 518 |
| G. Robbins | Plaid Cymru - The Party of Wales | 398 |
| D. Morton | Plaid Cymru - The Party of Wales | 365 |
St.Helens2 seats
| C. Dilley | Conservative | 1,212 ✓ |
| N. Whitlock | Conservative | 1,112 ✓ |
| W. Williams | Labour | 632 |
| D. Rumbles | Labour | 546 |
| A. Hinton | LIB | 467 |
| J. Breese | Plaid Cymru - The Party of Wales | 118 |
| D. Joynson | Plaid Cymru - The Party of Wales | 107 |
St.Johns2 seats · turnout 29.1%
| H. Tabram | Labour | 1,505 |
| A. Morris | Labour | 1,470 |
| R. Bevan | Plaid Cymru - The Party of Wales | 294 |
| R. Williams | Plaid Cymru - The Party of Wales | 32 |
St.Thomas2 seats · turnout 29.8%
| E. Morgan | Labour | 1,630 |
| V. Copp | Labour | 1,437 |
| M. Parry | Plaid Cymru - The Party of Wales | 279 |
Townhill2 seats · turnout 25.7%
| T. Evans | Labour | 1,437 |
| T. Wignall | Labour | 1,398 |
| B. Williams | Plaid Cymru - The Party of Wales | 213 |
| G. Jones | Plaid Cymru - The Party of Wales | 207 |
Victoria2 seats · turnout 41.1%
| M. Lewis | Labour | 834 ✓ |
| D. Thomas | Labour | 794 ✓ |
| C. Olson | Conservative | 633 |
| D. Jenkins | RATE | 571 |
| K. Hughes | Conservative | 424 |
| J. Jenkins | Liberal Democrats | 207 |
| J. Thomas | Plaid Cymru - The Party of Wales | 77 |
| A. Thomas | Plaid Cymru - The Party of Wales | 70 |
