Before (end of 1979) (34 seats, Elections Centre)
Other 29 · Conservative 4 · Labour 1 · The Liberal Party 0
After (end of 1980) (34 seats, Elections Centre)
Other 29 · The Liberal Party 2 · Conservative 2 · Labour 1
Ward results
Hayle-Gwinear1 seat · turnout 29.7%
| C. Philp | Independent | 505 |
| M. Reynolds | Independent | 246 |
Hayle-Gwithian1 seat · turnout 24.1%
| O Philp | Independent | 357 ✓ |
| D. Bray | Conservative | 303 |
| J. Layzell | Labour | 148 |
| P. Smith | Independent | 85 |
Ludgvan1 seat
| J. Vincent | Independent | 0 ✓ |
Penzance Central1 seat · turnout 26.9%
| M. Cotton | LIB | 400 |
| R. Allbright | Independent | 388 |
Penzance East1 seat · turnout 25.9%
| A. Berryman | Independent | 576 |
| R. Symonds | Labour | 442 |
Penzance North1 seat · turnout 31.5%
| A. Richards | LIB | 388 |
| C. Watts | Conservative | 271 |
Penzance South1 seat · turnout 28.4%
| H. Ruhrmund | Independent | 625 |
| J. Jeffery-Burt | Conservative | 365 |
Penzance West1 seat
| J. Laity | Independent | 0 ✓ |
St Just1 seat · turnout 31.1%
| T McFadden | Independent | 555 |
| M. Williams | MK | 376 |
