Before (end of 1983) (51 seats, Elections Centre)
Labour 33 · Conservative 16 · Other 2 · Plaid Cymru - The Party of Wales 0 · SDP-Liberal Alliance 0
After (end of 1984) (51 seats, Elections Centre)
Labour 31 · Conservative 16 · Other 3 · SDP-Liberal Alliance 1 · Plaid Cymru - The Party of Wales 0
Ward results
Bon-y-maen1 seat
| D. Watkins | Labour | 0 ✓ |
Castle1 seat · turnout 31.4%
| Hilton T. | Labour | 1,695 ✓ |
| C. Olson | Conservative | 673 |
| D. Thomas | All | 299 |
| C. Phillips | Ecol | 80 |
Cockett2 seats · turnout 29.9%
| W. Dyer | Labour | 1,376 |
| D. Anthony | Labour | 1,367 |
| G. Williams | RES | 1,125 |
| D. Latham | RES | 1,047 |
| M. Ford | All | 626 |
| G. Jones | Plaid Cymru - The Party of Wales | 251 |
Cwmbwrla1 seat · turnout 48.8%
| P. Black | All | 2,152 |
| Nell Davies-Small | Labour | 1,044 |
Llansamlet1 seat · turnout 27.7%
| L. Bailey | Labour | 1,320 |
| V. Griffiths | All | 468 |
| A. Thomas | Conservative | 291 |
Morriston2 seats · turnout 34.6%
| R. Lloyd | Labour | 2,483 ✓ |
| J. France | Labour | 2,180 ✓ |
| G. Davies | All | 941 |
| C. Bromham | All | 891 |
| G. Davies | RATE | 884 |
| A. Williams | Plaid Cymru - The Party of Wales | 570 |
| P. Bray | Conservative | 541 |
Mynydd-bach1 seat
| A. Clement | RES | 1,482 |
| J. Gates | Labour | 951 |
North Gower1 seat · turnout 49.9%
| J. Guy | Labour | 1,356 |
| G. Howells | Conservative | 716 |
| J. Newbury | All | 386 |
Penderry2 seats · turnout 26.1%
| J. Burtonshaw | Labour | 1,754 |
| B. Owen | Labour | 1,610 |
| K. Wright | All | 886 |
| W. Watkins | RES | 832 |
Sketty1 seat · turnout 39.7%
| T. Morgan | Conservative | 2,219 |
| J. Elliot | Labour | 1,102 |
| R. Cuthill | All | 959 |
Townhill1 seat · turnout 33.0%
| P. Murray | Labour | 1,723 |
| N. Evans | Conservative | 557 |
| H. Spooner | All | 304 |
Uplands1 seat · turnout 39.3%
| D. Phillips | Conservative | 1,949 ✓ |
| A. Dorsett | Labour | 1,103 |
| S. Wakefield | All | 772 |
| D. Evans | Plaid Cymru - The Party of Wales | 218 |
West Cross1 seat · turnout 44.2%
| J. Peters | Conservative | 1,029 |
| T. Exton | Labour | 1,021 |
| E. Wydenbach | All | 462 |
