Before (end of 1978)
Not known.
After (end of 1979)
Not known.
Ward results
Ward 12 seats · turnout 47.6%
| W. Hughes | Independent | 689 |
| M. Williams | Independent | 578 |
| R. Rochell | Labour | 383 |
Ward 112 seats
| B. Williams | Independent | 0 ✓ |
| A. Williams | Independent | 0 ✓ |
Ward 122 seats
| J. Misseroti | Plaid Cymru - The Party of Wales | 0 ✓ |
| M. Richards | Independent | 0 ✓ |
Ward 141 seat · turnout 78.3%
| M. Wormald | Labour | 403 |
| S. Jones | Plaid Cymru - The Party of Wales | 203 |
Ward 151 seat · turnout 83.0%
| O. Jones | Labour | 457 |
| A. Jones Wynne | Plaid Cymru - The Party of Wales | 172 |
Ward 161 seat · turnout 82.1%
| B. Williams | Labour | 462 |
| H. Evans | Plaid Cymru - The Party of Wales | 195 |
Ward 181 seat
| G. Halliday | Plaid Cymru - The Party of Wales | 0 ✓ |
Ward 21 seat
| J. Christie | Independent | 0 ✓ |
Ward 272 seats · turnout 63.5%
| F. Jones | Labour | 1,086 |
| T. Williams | Plaid Cymru - The Party of Wales | 846 |
| V. Griffiths | Plaid Cymru - The Party of Wales | 570 |
Ward 31 seat · turnout 78.1%
| G. Parry | Independent | 263 |
| D. Jones | Independent | 144 |
| E. Halliday | Labour | 90 |
Ward 311 seat · turnout 76.1%
| E. Griffiths | Plaid Cymru - The Party of Wales | 548 |
| R. Rowlands | Labour | 301 |
Ward 62 seats · turnout 67.7%
| G. Jones | Labour | 639 |
| E. Dogan | Labour | 621 |
| B. Roberts | Independent | 506 |
| A. Evans | Plaid Cymru - The Party of Wales | 403 |
Ward 72 seats
| G. Buckley-Jones | Independent | 0 ✓ |
| A. Campbell | Labour | 0 ✓ |
Ward 91 seat · turnout 78.5%
| R. Harlech-Jones | Independent | 365 |
| W. Roberts | Independent | 232 |
