Before (end of 1976) (80 seats, Elections Centre)
Other 42 · Labour 29 · The Liberal Party 8 · Plaid Cymru - The Party of Wales 1 · Conservative 0
After (end of 1977) (80 seats, Elections Centre)
Other 44 · Labour 25 · Plaid Cymru - The Party of Wales 6 · The Liberal Party 5 · Conservative 0
Ward results
Aberaeron No.11 seat
| E. Williams | LIB | 0 ✓ |
Aberaeron No.21 seat
| J. Rogers-Lewis | Independent | 1,125 |
| W. Thomas | Plaid Cymru - The Party of Wales | 676 |
Aberaeron No.31 seat
| J. Williams | LIB | 1,718 |
| G. Jones | Plaid Cymru - The Party of Wales | 246 |
Aberystwyth No.1 seat
| C. Jones | LIB | 765 |
| M. Fitter | Plaid Cymru - The Party of Wales | 686 |
Aberystwyth No. 11 seat
| E. Hughes | Independent | 1,492 |
| E. Edwards | Plaid Cymru - The Party of Wales | 363 |
Aberystwyth No. 21 seat
| P. Goodman | Labour | 368 |
| G. Evans | Independent | 340 |
| J. Davies | Plaid Cymru - The Party of Wales | 285 |
Aberystwyth Rural 21 seat
| R. Cowell | Independent | 1,917 |
| E. Jones | Plaid Cymru - The Party of Wales | 881 |
Aberystwyth Rural 31 seat
| G. Jones | Plaid Cymru - The Party of Wales | 957 |
| G. Edwards | LIB | 638 |
| F. Fanstone | Labour | 453 |
Aberystwyth Rural No.11 seat
| J. Lewis | LIB | 1,067 |
| J. James | Plaid Cymru - The Party of Wales | 919 |
Ammanford No.11 seat
| D. Cooke | Labour | 0 ✓ |
Ammanford No.21 seat
| M. Evans | Labour | 1,193 |
| D. Davies | Plaid Cymru - The Party of Wales | 613 |
Berwick1 seat · turnout 42.8%
| J. Thomas | Labour | 1,062 |
| K. Rees | LIB | 351 |
| B. Marke | Plaid Cymru - The Party of Wales | 204 |
Burry Port East1 seat · turnout 50.0%
| T. Marks | Labour | 502 ✓ |
| H. Williams | Independent | 320 |
| E. Morgan | Plaid Cymru - The Party of Wales | 160 |
| S. Samuel | Ind Lab | 104 |
Burry Port West1 seat · turnout 47.4%
| E. Parry | Independent | 476 |
| B. Rayner | Labour | 432 |
| M. Clement | Plaid Cymru - The Party of Wales | 264 |
Cardigan1 seat
| R. Peregrine | Independent | 1,098 |
| L. Iago | Plaid Cymru - The Party of Wales | 327 |
Carmarthen No.11 seat
| A. Earle | Labour | 1,511 |
| E. Beynon | Plaid Cymru - The Party of Wales | 526 |
Carmarthen No.21 seat
| E. Powell | Labour | 689 |
| P. Griffiths | Plaid Cymru - The Party of Wales | 376 |
| J. Webb | LIB | 187 |
Carmarthen No.31 seat
| W. Nicholl | Independent | 1,157 |
| E. Jones | Plaid Cymru - The Party of Wales | 654 |
Carmarthen Rural No.1 seat
| H. Williams | Plaid Cymru - The Party of Wales | 788 |
| Charles G. | Labour | 677 |
| E. Jones | Ind Lab | 173 |
Carmarthen Rural No. 11 seat
| W. Evans | RATE | 1,142 |
| P. Lewis | Labour | 1,058 |
| J. Jones | Ind LA | 645 |
Carmarthen Rural No. 31 seat
| E. Davies | Independent | 0 ✓ |
Carmarthen Rural No. 41 seat
| J. Harries | Independent | 0 ✓ |
Carmarthen Rural No. 51 seat
| E. Davies | Independent | 1,683 |
| D. Jenkins | Independent | 1,018 |
Carmarthen Rural No. 61 seat
| J. James | Independent | 0 ✓ |
Carmarthen Rural No. 71 seat
| C. Phillips | Independent | 1,301 |
| D. Llewellyn | Plaid Cymru - The Party of Wales | 1,175 |
Cemaes No.21 seat
| T. Rees | Independent | 0 ✓ |
Cemaes Rural No.11 seat · turnout 68.3%
| J. Jenkins | Independent | 1,549 |
| C. Phillips | Plaid Cymru - The Party of Wales | 1,075 |
Cemaes Rural No.21 seat
| T. George | Independent | 0 ✓ |
Felinfoel1 seat · turnout 37.4%
| A. Francis | Labour | 1,106 |
| D. Rhys | Plaid Cymru - The Party of Wales | 420 |
| R. Hitchon | COMM | 153 |
Fishguard & Goodwick No.11 seat · turnout 55.1%
| J. Maddocks | Plaid Cymru - The Party of Wales | 757 |
| C. George | Independent | 710 |
Haverfordwest No.11 seat
| T. Parry | Independent | 0 ✓ |
Haverfordwest No.21 seat
| D. Grey | Independent | 0 ✓ |
| O. John | Independent | 0 ✓ |
Haverfordwest Rural No. 31 seat · turnout 52.4%
| J. James | Independent | 1,249 |
| I. Williams | Plaid Cymru - The Party of Wales | 619 |
| H. Phillips | Independent | 0 ✓ |
Haverfordwest Rural No.11 seat
| A. Gray | Independent | 0 ✓ |
Haverfordwest Rural No.41 seat · turnout 27.0%
| J. McBrearty | Independent | 784 |
| B. Morris | Independent | 55 |
Hengoed1 seat · turnout 66.3%
| I. Phillips | Independent | 1,034 |
| D. Thomas | Labour | 383 |
Llandeilo No.11 seat
| W. Davies | Independent | 1,125 |
| T. Davies | Independent | 884 |
| H. Jones | Independent | 537 |
Llandeilo No.21 seat
| D. Davies | Independent | 0 ✓ |
Llandeilo No.31 seat
| Price V. | Labour | 1,472 |
| D. Moses | Ind So | 574 |
Llandeilo No.41 seat
| R. Thomas | Labour | 1,885 |
| G. James | Plaid Cymru - The Party of Wales | 714 |
Llandeilo No.51 seat
| G. Earl | Independent | 1,567 |
| W. Davies | Labour | 1,043 |
Llandeilo No.61 seat
| G. Jones | Independent | 1,172 |
| D. Jones | Plaid Cymru - The Party of Wales | 1,112 |
Llanedy1 seat
| I. Foulkes | Labour | 0 ✓ |
Llanelli No.11 seat · turnout 46.5%
| H. Richards | Independent | 969 |
| J. Smith | Labour | 437 |
| G. Morris | Plaid Cymru - The Party of Wales | 364 |
Llanelli No.21 seat
| B. Owen | Labour | 0 ✓ |
Llanelli No.31 seat
| G. Williams | Labour | 643 |
| D. Thomas | Plaid Cymru - The Party of Wales | 312 |
Llanelli No.41 seat
| M. Joseph | Labour | 455 |
| P. Davies | Plaid Cymru - The Party of Wales | 429 |
Llanelli No.51 seat · turnout 45.9%
| D. Protheroe | Labour | 354 |
| W. Davies | Ind Lab | 196 |
Llanelli No.61 seat
| J. Thomas | Labour | 0 ✓ |
Llanelli No.71 seat
| G. McConkey | Labour | 0 ✓ |
Llangennech1 seat · turnout 50.9%
| H. Edwards | Plaid Cymru - The Party of Wales | 717 |
| M. Thomas | Labour | 632 |
Milford Haven No.11 seat
| R. Yolland | Independent | 0 ✓ |
Milford Haven No.21 seat
| B. Woodruff | Independent | 0 ✓ |
Milford Haven No.31 seat · turnout 31.5%
| R. Keane | Independent | 467 |
| W. Byard | Independent | 424 |
Narberth No.11 seat
| T. John | Independent | 0 ✓ |
Narberth No.21 seat · turnout 65.4%
| W. Harry | Independent | 953 |
| R. Martin | Independent | 894 |
Narberth No.31 seat
| D. Thomas | Independent | 0 ✓ |
Newcastle Emlyn No.11 seat
| D. Enoch | Labour | 0 ✓ |
Newcastle Emlyn No.21 seat
| W. Evans | Independent | 2,113 |
| P. Wilde | Independent | 898 |
Neyland & Llanstadwell1 seat
| J. John | Labour | 0 ✓ |
Pembroke No.12 seats · turnout 21.6%
| M. Mathias | Independent | 1,091 |
| R. Kane | Plaid Cymru - The Party of Wales | 427 |
Pembroke No.22 seats · turnout 15.3%
| A. Dureau | Independent | 843 |
| W. Corcoran | Independent | 290 |
Pembroke No.31 seat
| C. Nicholls | Labour | 0 ✓ |
Pembroke Rural No. 11 seat
| G. Ball | Independent | 0 ✓ |
Pembroke Rural No. 21 seat · turnout 54.9%
| W. Lawrence | Independent | 594 ✓ |
| N. Parry | Independent | 411 |
| M. Collis | Independent | 250 |
| E. Hodgson | Independent | 171 |
Pontyberem2 seats
| H. Jones | Labour | 0 ✓ |
Teifiside No.11 seat
| D. Evans | Independent | 1,794 |
| G. Guttridge | Independent | 416 |
Teifiside No.21 seat
| H. Roberts | Independent | 0 ✓ |
Teifiside No.31 seat
| R. Morris | LIB | 1,522 |
| T. George | Plaid Cymru - The Party of Wales | 411 |
Tregaron1 seat
| M. James | Plaid Cymru - The Party of Wales | 1,267 |
| W. Bennett | Independent | 958 |
Westfa1 seat · turnout 40.0%
| W. Hopkins | Plaid Cymru - The Party of Wales | 693 |
| G. Williams | Labour | 644 |
