Before (end of 1978) (42 seats, Elections Centre)
Other 26 · Conservative 12 · Labour 3 · The Liberal Party 1
After (end of 1979) (44 seats, Elections Centre)
Other 21 · Conservative 19 · Labour 4 · The Liberal Party 0
Ward results
Breage & Germoe2 seats
| W. Smith | Independent | 0 ✓ |
| K. Trevaskis | Independent | 0 ✓ |
Camborne North3 seats · turnout 39.8%
| B. Waters | Conservative | 2,119 |
| W. Kemp | Labour | 1,326 |
| D. Warren | Labour | 1,111 |
| P. Holmes | MK | 1,080 |
Camborne South3 seats · turnout 42.1%
| J. Scantlebury | Independent | 1,614 |
| A Bunt | Labour | 1,506 |
| R. Godolphin | Labour | 1,415 |
| B. Close | Conservative | 1,272 |
Camborne West3 seats · turnout 57.6%
| K Bowden | Conservative | 1,596 |
| R. Oates | Conservative | 1,271 |
| M. Roach | Conservative | 1,189 |
| J. Gardner | Independent | 1,092 |
| A. Heffer | Labour | 936 |
| N. Stewart | Labour | 929 |
| T. Gribble | Labour | 807 |
Constantine & Gweek1 seat · turnout 77.4%
| A. Badger | Conservative | 984 |
| F. Richardson | Independent | 312 |
Crowan1 seat · turnout 76.7%
| H. Christophers | Conservative | 608 |
| H. Henwood | Independent | 548 |
Grade-Ruan and Landewednack1 seat · turnout 85.5%
| M. Tiddy | Independent | 791 |
| M. Fletcher | Independent | 267 |
Helston North2 seats
| J. Eddy | Independent | 0 ✓ |
| C. Climo | Independent | 0 ✓ |
Helston South2 seats · turnout 55.4%
| R. Curnow | Independent | 1,024 |
| W. Rogers | Independent | 812 |
| D. Eddy | Independent | 570 |
| F. Moyle | LIB | 400 |
| M. Gale | Independent | 130 |
Illogan North3 seats · turnout 51.6%
| J. Mayne | Conservative | 1,816 |
| H. Wasley | Conservative | 1,628 |
| G. Shaw | Conservative | 1,535 |
| K. Roberts | Labour | 962 |
| J. Williams | MK | 881 |
Illogan South3 seats · turnout 52.1%
| F. Nicholls | Conservative | 1,107 |
| V. Lacey | Conservative | 1,033 |
| P. Dudeney | Conservative | 895 |
| E. Sara | LIB | 889 |
| E. Moyle | Labour | 828 |
| B. Barber | Labour | 793 |
| O. Bunt | Labour | 769 |
| I. Williams | MK | 512 |
Mabe & St. Gluvias1 seat
| E. Spargo | Independent | 0 ✓ |
Mawnan & Budock1 seat · turnout 84.3%
| P. Simmons | Conservative | 766 |
| W. Rickard | Independent | 753 |
Meneage1 seat · turnout 77.8%
| P. Lyne | Independent | 585 |
| R. Trelawney | Independent | 443 |
Porthleven2 seats · turnout 67.6%
| J. Bray | Independent | 1,044 ✓ |
| R. Bond | Independent | 626 ✓ |
| G. Andrews | Conservative | 624 |
| J. Roberts | Independent | 531 |
| R Pascoe | Independent | 329 |
| C. Thomas | Independent | 120 |
| B. Curnow | MK | 106 |
Redruth North3 seats · turnout 44.6%
| P. Barron | Conservative | 1,358 |
| J. Ham | Independent | 1,342 |
| C. Mitchell | Independent | 995 |
| D. Berriman | Independent | 926 |
| M. Casson | MK | 574 |
| B. Deacon | MK | 528 |
Redruth South3 seats · turnout 51.5%
| A. Davey | Independent | 1,766 |
| S. Jeffrey | Independent | 1,093 |
| D. Hattam | Conservative | 973 |
| L. Truran | MK | 834 |
| D. Mayson | Independent | 457 |
| D. Elford | Labour | 430 |
| R. Moyle | Independent | 386 |
| J. Faull | MK | 313 |
| E. Spargo | Conservative | 0 ✓ |
| D. Nurhonen | Conservative | 0 ✓ |
| F. Smitheram | Conservative | 0 ✓ |
St Keverne1 seat
| J. Rogers | Independent | 0 ✓ |
St. Day Lanner & Catharrack3 seats
| E. Spargo | Conservative | 0 ✓ |
| D. Nurhonen | Conservative | 0 ✓ |
| F. Smitheram | Conservative | 0 ✓ |
Stithians1 seat
| J. Plummer | MK | 0 ✓ |
Wendron & Sithney2 seats · turnout 60.7%
| F. Wearne | Independent | 1,220 |
| P. Young | Conservative | 848 |
| C. Thomas | Independent | 760 |
| J. Daybell | Independent | 249 |
