Before (end of 1989) (34 seats, Elections Centre)
Conservative 14 · Other 11 · Labour 7 · Liberal Democrats 2
After (end of 1990) (34 seats, Elections Centre)
Conservative 13 · Other 10 · Labour 10 · Liberal Democrats 1
Ward results
Hayle-Gwinear1 seat · turnout 56.0%
| E. Philp | Labour | 1,427 |
| M. Reynolds | Conservative | 541 |
Lelant and Carbis Bay1 seat · turnout 49.3%
| J. Potter | Conservative | 661 ✓ |
| K. Matthews | Independent | 465 |
| A. Richards | Labour | 291 |
| B. Hicks | Independent | 145 |
Penzance Central1 seat · turnout 53.3%
| C. Lawry | MK | 1,148 |
| J. Wheeler | Conservative | 443 |
Penzance East1 seat · turnout 61.2%
| J. Mathews | Labour | 1,471 ✓ |
| R. Mann | Conservative | 898 |
| B. Breeze | Green | 176 |
| M. Durrant | Independent | 114 |
Penzance North1 seat · turnout 60.4%
| S. Warren | Labour | 964 |
| B. Jay | Conservative | 419 |
| S. Simmons | SLD | 354 |
Penzance South1 seat · turnout 55.4%
| M. Kitchen | Ind Lab | 822 |
| M. Churchman | Conservative | 682 |
| D. Haslam | SLD | 613 |
Penzance West1 seat · turnout 63.2%
| R. Lewarne | Labour | 732 ✓ |
| Yates C. | Conservative | 683 |
| C. White | SLD | 269 |
| D. Walter | Green | 86 |
Perranuthnoe1 seat · turnout 54.1%
| J. Jago | Independent | 517 |
| P. Groves | SLD | 312 |
St. Ives North1 seat · turnout 53.2%
| S. Beck | Labour | 875 |
| W. Trevorrow | SLD | 471 |
| J. Wilkes | Independent | 226 |
