Before (end of 1979) (49 seats, Elections Centre)
Conservative 26 · Labour 21 · The Liberal Party 1 · Other 1
After (end of 1980) (49 seats, Elections Centre)
Conservative 25 · Labour 21 · The Liberal Party 2 · Other 1
Ward results
Abbey1 seat
| P. Salmon | Labour | 584 |
| B. Mulhern | Conservative | 520 |
Davington Priory1 seat
| P. White | Labour | 613 |
| F. White | Conservative | 592 |
East Downs1 seat
| W. Boggia | Conservative | 720 |
| J. Spink | Labour | 190 |
Eastern1 seat
| Martin Leatherdale | Conservative | 386 |
| A. Carter | Labour | 312 |
| A. Ripley | Independent | 122 |
Grove1 seat · turnout 33.5%
| P. Prescott | Conservative | 950 |
| P. Prescott | Conservative | 950 ✓ |
| D. De-Gernier | Labour | 533 |
| D. De-Gernier | Labour | 533 |
| K. Munro | LIB | 252 |
| K. Munro | The Liberal Party | 252 |
Iwade & Lower Halstow1 seat
| P. Wilks | Conservative | 356 |
| E. Butcher | Labour | 219 |
| E. Stafford | Independent | 50 |
Kemsley1 seat
| P. Monk | Labour | 239 |
| B. Winslow | Conservative | 116 |
| S. Stafford | Independent | 21 |
Milton Regis1 seat
| J. Donnellan | Labour | 829 |
| P. Kitto | Conservative | 310 |
| F. Hunter | LIB | 108 |
Minster Cliffs1 seat
| D. Stream | Conservative | 655 |
| J. Crouch | Labour | 481 |
| B. Lunniss | LIB | 116 |
Murston1 seat
| W. Gray | Labour | 976 |
| M. Newman | Conservative | 371 |
| B. Simmons | LIB | 261 |
Queenborough & Halfway1 seat
| K. Evans | Labour | 1,230 |
| R. Brennan | Conservative | 940 |
Roman1 seat
| T. Gray | Labour | 953 |
| C. William | Conservative | 770 |
| A. Jarrett | LIB | 242 |
Sheerness West1 seat
| P. Stanbridge | Labour | 1,073 |
| A. Graham | Conservative | 474 |
| R. Hemsworth | LIB | 145 |
St. Anns1 seat · turnout 44.9%
| H. Curling | Conservative | 802 |
| L. Vaughan | Labour | 694 |
Watling1 seat
| R. Barnicott | Conservative | 670 |
| L. Courtney | Labour | 504 |
Woodstock1 seat
| B. Groves | Conservative | 1,352 |
| R. Truelove | LIB | 774 |
| G. Jessiman | Labour | 452 |