Before (end of 1982) (49 seats, Elections Centre)
Conservative 28 · Labour 17 · SDP-Liberal Alliance 3 · Other 1
After (end of 1983) (49 seats, Elections Centre)
Conservative 31 · Labour 13 · SDP-Liberal Alliance 4 · Other 1
Ward results
Borden1 seat
| G. Skinner | Conservative | 434 |
| R. Truelove | All | 341 |
| P. Hanson | Labour | 80 |
Boughton1 seat
| C. Stevens | Conservative | 392 |
| R. Malden | All | 177 |
Grove2 seats
| J. Burke | Conservative | 1,145 |
| C. Young | Conservative | 1,029 |
| P. Rea | All | 572 |
| L. Rea | All | 547 |
| G. Jessiman | Labour | 358 |
| E. Lebrunn | Labour | 339 |
Hartlip & Upchurch1 seat
| J. Ardley | Conservative | 780 |
| B. Hammond | All | 183 |
Milton Regis1 seat
| B. Bishop | Labour | 927 |
| U. Hopps | Conservative | 452 |
| A. Hammond | All | 165 |
Minster Cliffs1 seat
| P. Dummott | Conservative | 856 |
| R. Brown | All | 389 |
Murston1 seat
| E. Madgwick | All | 653 ✓ |
| W. Mitchell | Labour | 546 |
| M. Newman | Conservative | 443 |
| B. Simmons | Independent | 129 |
Newington1 seat
| T. Ledger | All | 549 |
| G. Moulton | Conservative | 309 |
| R. Ransley | Labour | 172 |
Queenborough & Halfway1 seat
| A. Graham | Conservative | 1,122 |
| C. Cackett | Labour | 810 |
| A. Ball | All | 758 |
Roman2 seats
| R. Lewis | Conservative | 983 |
| A. Hill | Conservative | 856 |
| D. Cheesman | Labour | 701 |
| J. Holman | Labour | 527 |
| C. Bentley | All | 469 |
| T. Neve | All | 447 |
Sheerness East1 seat
| W. Baron | Conservative | 755 |
| D. Grover | Labour | 604 |
| G. Rogers | All | 359 |
Sheerness West1 seat
| Stephen Worrall | Labour | 1,310 |
| W. Rowland | Conservative | 518 |
| G. Day | All | 463 |
Sheppey Central1 seat
| J. Watson | Conservative | 580 |
| G. Thomsett | Labour | 405 |
| A. Knox | All | 349 |
Teynham & Lynsted1 seat
| T. Brown | Conservative | 982 |
| R. Boorman | Labour | 790 |
| J. Brewer | All | 357 |
West Downs1 seat
| R. Turcan | Conservative | 681 |
| L. Micklewright | All | 210 |
| J. Synnuck | Labour | 132 |