Before (end of 1972)
Not known.
After (end of 1973) (45 seats, Elections Centre)
Other 32 · Labour 5 · The Liberal Party 4 · Conservative 4
Ward results
Arwenack2 seats · turnout 37.6%
| K. White | Conservative | 755 |
| Parry L. | Conservative | 632 |
| B. Morris | Independent | 562 |
Chacewater1 seat
| R Lobb | Independent | 0 ✓ |
Feock2 seats · turnout 38.4%
| D. Watkins | Independent | 628 |
| H. Price | Independent | 534 |
| E. Deeble | Independent | 528 |
| A. Mannell | Independent | 364 |
Newlyn1 seat · turnout 57.6%
| C. Cocking | Independent | 559 |
| Robson B. | Independent | 284 |
No. 13 (Gwennap)1 seat
| R. Jory | Independent | 0 ✓ |
No. 16 (Mylor)2 seats · turnout 43.2%
| K. Dale | Independent | 732 |
| W. Stead | Independent | 456 |
| H. Harpham | Independent | 253 |
| L. Hearle | Independent | 233 |
No. 18 (Perranarworthal)1 seat
| S. Perkin | Independent | 0 ✓ |
No. 6 (Truro East)4 seats · turnout 16.2%
| F. Solomon | LIB | 785 |
| K. Holman | LIB | 689 |
| E. Merrifield | Independent | 675 |
| A. Barber | Independent | 639 |
| E. Fowkes | Independent | 168 |
No. 7 (Truro West)6 seats
| J. Hodge | Independent | 0 ✓ |
| E. Coombe | Independent | 0 ✓ |
| J. Snell | LIB | 0 ✓ |
| J. Thomas | LIB | 0 ✓ |
| B. Evea | Independent | 0 ✓ |
| E. Carlyon | Independent | 0 ✓ |
Penryn3 seats · turnout 28.1%
| F. Tallack | Independent | 973 |
| S. Thomas | Independent | 672 |
| E. Gwyther | Independent | 651 |
| T. Jennings | Labour | 532 |
| D. Ramsden | Independent | 274 |
| C. Wenmoth | Labour | 262 |
Penwerris4 seats · turnout 24.1%
| K. Townsend | Independent | 1,311 |
| P. Cavill | Labour | 982 |
| P. Jones | Labour | 794 |
| A. Pankhurst | Labour | 654 |
| J. Powdrill | Independent | 652 |
Perranzabuloe3 seats · turnout 29.5%
| N. Holman | Independent | 735 |
| Peter Thomas | Independent | 715 |
| J. Tredinnick | Independent | 651 |
| J. Roberts | Independent | 619 |
| A. Chapman | Independent | 237 |
Probus2 seats · turnout 47.4%
| H. Hicks | Independent | 1,117 |
| W. Michell | Independent | 470 |
| P. Canny | Independent | 277 |
| A. Bates | Independent | 225 |
| R. Trebilcock | Independent | 209 |
Roseland2 seats · turnout 43.5%
| R. Julyan | Independent | 1,053 |
| R. Badcock | Independent | 848 |
| D. Clive | Independent | 367 |
Smithick2 seats
| J. O'Brien | Independent | 0 ✓ |
| G. Symonds | Labour | 0 ✓ |
St Agnes3 seats · turnout 27.2%
| J. White | Independent | 850 |
| T. Thewlis | Independent | 830 |
| H. Simmons | Independent | 675 |
| A. Woolcock | Independent | 596 |
| W. Jolly | Independent | 342 |
St. Clement1 seat · turnout 49.4%
| G. Willcox | Independent | 329 |
| S. Waters | Independent | 220 |
| C. Davies | Independent | 74 |
Trevethan3 seats · turnout 30.9%
| J. Jones | Labour | 819 |
| J. Tiddy | Conservative | 753 |
| J. Bradley | Conservative | 670 |
| B. Smales | Independent | 534 |
| A. Spencer | Independent | 325 |
| A. Hill | Independent | 324 |