Before (end of 1972)
Not known.
After (end of 1973)
Not known.
Ward results
Aber & Llanllechid1 seat · turnout 51.2%
| N. Hughes | Plaid Cymru - The Party of Wales | 207 |
| E. Hughes | Independent | 202 |
Bangor East1 seat
| I. Parry | Independent | 0 ✓ |
Bangor North2 seats · turnout 37.0%
| W. Hughes | Independent | 389 |
| M. Hughes | Labour | 351 |
| S. Robinson | Conservative | 325 |
| C. Deans | LIB | 283 |
Bangor North No.21 seat · turnout 44.2%
| J. Christie | Independent | 342 |
| J. Lavender | LIB | 173 |
Bangor South No.11 seat · turnout 52.8%
| H. Jones | Independent | 203 |
| C. Trask | Labour | 162 |
Bangor South No.22 seats · turnout 51.0%
| F. Woodcock | Labour | 917 |
| H. Jones | Labour | 721 |
| H. Cozens | Ind Lab | 459 |
Bangor West A2 seats
| D. Hainge | Labour | 0 ✓ |
| O. Pritchard | Independent | 0 ✓ |
Bangor West B2 seats · turnout 29.7%
| G. Jones | Labour | 543 |
| E. Halliday | Labour | 318 |
| J. Whetton | Independent | 300 |
Bethel & Rhiwlas1 seat · turnout 67.3%
| S. Jones | Independent | 356 |
| R. Price | Independent | 285 |
| E. Jones | Independent | 80 |
Betws Garmon1 seat
| M. Jones | Independent | 0 ✓ |
Bontnewydd1 seat · turnout 64.8%
| G. Owen | Independent | 372 |
| W. Summers | Independent | 211 |
Brynrefail1 seat · turnout 64.0%
| P. Larsen | Independent | 399 |
| P. Clarke | Labour | 135 |
Caernarfon East2 seats · turnout 58.0%
| Williamson A. | Independent | 632 |
| B. Williams | Independent | 602 |
| F. Hitchinson | Independent | 385 |
| I. Williams | Plaid Cymru - The Party of Wales | 214 |
Caernarfon North A1 seat · turnout 63.5%
| I. Jones | Independent | 346 |
| E. Higgins | Plaid Cymru - The Party of Wales | 189 |
Caernarfon North B1 seat · turnout 56.5%
| I. Jones | Independent | 232 |
| A. Roberts | Independent | 179 |
Caernarfon South2 seats
| M. Richards | Independent | 0 ✓ |
| J. Miserotti | Plaid Cymru - The Party of Wales | 0 ✓ |
Caernarfon West1 seat · turnout 33.5%
| W. Spanner | Independent | 278 |
| H. Howel | Plaid Cymru - The Party of Wales | 213 |
Carmel1 seat · turnout 57.6%
| R. Griffith | Independent | 349 |
| G. Jones | Independent | 306 |
Deiniolen1 seat · turnout 59.1%
| O. Parry | Plaid Cymru - The Party of Wales | 337 |
| N. Williams | Labour | 271 |
Groeslon1 seat · turnout 62.2%
| E. Jones | Independent | 482 |
| H. Williams | Labour | 275 |
Llanberis2 seats · turnout 67.6%
| T. Williams | Independent | 766 |
| F. Jones | Labour | 721 |
| T. Jones | Labour | 475 |
| D. Owen | Plaid Cymru - The Party of Wales | 424 |
| M. Hughes | Independent | 222 |
Llanfaglan1 seat · turnout 69.6%
| H. Owen | Independent | 455 |
| L. Thomas | Independent | 267 |
Llanfairisgaer1 seat · turnout 60.3%
| J. Roberts | Independent | 281 |
| O. Hughes | Independent | 217 |
| R. Evans | Independent | 215 |
Llanllyfni Tanrallt Nebo1 seat · turnout 77.8%
| O. Hughes | Plaid Cymru - The Party of Wales | 353 |
| W. Williams | Labour | 336 |
Ogwen 1 & 21 seat · turnout 65.0%
| M. Jones | Independent | 366 |
| J. Morris | Labour | 341 |
| A. Puw | Plaid Cymru - The Party of Wales | 316 |
Rachub 1 & 21 seat · turnout 72.5%
| O. Jones | Independent | 352 |
| G. Pritchard | Independent | 208 |
St.Anns Llandegai1 seat · turnout 64.9%
| W. Davies | Independent | 363 |
| G. Davies | Labour | 313 |
Talysarn1 seat · turnout 70.8%
| B. Williams | Labour | 314 |
| T. Jones | Independent | 283 |
Tregarth1 seat · turnout 68.1%
| F. Jones | Independent | 334 |
| S. Jones | Plaid Cymru - The Party of Wales | 270 |
| A. Gordon | Labour | 146 |
Vaynol Pentir1 seat · turnout 58.6%
| R. Jones | Independent | 241 |
| A. Davies | Labour | 229 |
| E. Edwards | Independent | 124 |
