Before (end of 1978) (50 seats, Elections Centre)
Conservative 27 · Labour 19 · The Liberal Party 3 · Other 1
After (end of 1979) (49 seats, Elections Centre)
Conservative 26 · Labour 21 · The Liberal Party 1 · Other 1
Ward results
Abbey2 seats
| D. Motley | Conservative | 1,084 |
| P. Salmon | Labour | 969 |
| B. Mulhern | Conservative | 926 |
| R. Hampshire | Labour | 877 |
Borden1 seat
| G. Skinner | Conservative | 701 ✓ |
| R. Cripps | Labour | 352 |
| P. Springham | LIB | 263 |
| M. Anderson | NF | 17 |
Boughton1 seat
| C. William | Conservative | 710 |
| D. Margrie | Labour | 298 |
Davington Priory2 seats
| K. Burbridge | Labour | 1,158 |
| F. White | Conservative | 1,008 |
| P. Edmondson | Labour | 1,005 |
| J. Newman | Conservative | 966 |
East Downs1 seat
| W. Boggia | Conservative | 1,316 |
| C. Beacon | Labour | 393 |
Eastern2 seats
| L. Nash | Conservative | 1,015 |
| T. Edwards | Conservative | 909 |
| S. Whittington | Labour | 752 |
| A. Carter | Labour | 682 |
| E. Anderson | Ind Con | 334 |
Grove3 seats
| J. Burke | Conservative | 2,378 ✓ |
| B. Meeres | Conservative | 2,276 ✓ |
| P. Prescott | Conservative | 2,142 ✓ |
| R. Pillinger | Labour | 1,224 |
| G. Jessiman | Labour | 1,212 |
Hartlip & Upchurch1 seat
| J. Ardley | Conservative | 1,046 |
| R. Witherden | Labour | 460 |
Iwade & Lower Halstow1 seat
| P. Wilks | Conservative | 720 |
| T. Garwood | Labour | 341 |
Kemsley1 seat
| P. Monk | Labour | 437 |
| R. Carpenter | Conservative | 322 |
Milton Regis3 seats
| W. Bishop | Labour | 1,485 |
| K. Day | Labour | 1,376 |
| J. Donnellan | Labour | 1,225 |
| J. Cowley | Conservative | 1,015 |
| P. Rowe | Conservative | 777 |
| B. Winslow | Conservative | 746 |
| R. Webb | NF | 121 |
Minster Cliffs3 seats
| P. Dummott | Conservative | 1,831 |
| R. Moreton | Conservative | 1,674 |
| D. Stream | Conservative | 1,579 |
| J. Crouch | Labour | 1,067 |
| R. Rogers | Labour | 1,005 |
Murston3 seats
| E. Madgwick | Labour | 1,914 |
| B. Austen | Labour | 1,876 |
| W. Gray | Labour | 1,705 |
| J. Whiley | Conservative | 1,400 |
| P. Standen | Conservative | 1,290 |
| W. Gainey | Conservative | 1,279 |
Newington1 seat
| J. Gorham | Labour | 747 |
| G. Moulton | Conservative | 729 |
Queenborough & Halfway3 seats
| E. Cordell | Labour | 2,175 |
| W. Keohane | Labour | 1,989 |
| K. Evans | Labour | 1,662 |
| R. Brennan | Conservative | 1,616 |
| V. Cook | Conservative | 1,611 |
| D. Thomsett | T&R | 1,418 |
Roman3 seats
| R. Lewis | Conservative | 1,943 |
| D. Cheesman | Labour | 1,697 |
| T. Gray | Labour | 1,570 |
| G. Risdon | Conservative | 1,536 |
| K. Washford | Conservative | 1,530 |
| W. Mitchell | Labour | 1,451 |
Sheerness East2 seats
| W. Baron | Conservative | 1,376 |
| D. Grover | Labour | 1,327 |
| A. Elderfield | Conservative | 1,188 |
| N. Windley | Labour | 1,123 |
Sheerness West3 seats
| Stephen Worrall | Labour | 2,018 |
| C. Shrive | Labour | 1,876 |
| A. Henley | Labour | 1,701 |
| A. Vidler | Conservative | 1,019 |
| P. Curtis | Conservative | 981 |
| D. Jones | Conservative | 967 |
Sheppey Central2 seats
| G. Thomsett | Labour | 1,078 |
| K. Ingleton | Conservative | 1,051 |
| P. Kitto | Conservative | 1,023 |
| C. Nevill | Labour | 940 |
St. Anns2 seats · turnout 67.0%
| A. Osborne | Independent | 1,156 |
| H. Curling | Conservative | 954 |
| L. Vaughan | Labour | 894 |
| M. Cosgrove | Conservative | 802 |
| P. White | Labour | 594 |
St. Michaels2 seats · turnout 90.0%
| M. Hill | Conservative | 0 |
| J. Allbut | Conservative | 0 |
Teynham & Lynsted2 seats
| A. North | Conservative | 1,526 |
| R. Boorman | Labour | 1,497 |
| R. Harris | Labour | 1,309 |
| D. Murphy | Conservative | 1,303 |
Watling2 seats
| J. Elliot | Conservative | 1,261 |
| R. Barnicott | Conservative | 1,187 |
| L. Courteny | Labour | 694 |
| W. Hulks | Labour | 643 |
West Downs1 seat
| T. Holden | Conservative | 1,246 |
| H. Osborne | Labour | 409 |
Woodstock3 seats
| P. Morgan | LIB | 2,209 |
| G. Geoffrey | Conservative | 2,056 |
| B. Groves | Conservative | 1,930 |
| P. Bailey | Conservative | 1,891 |
| A. Aldous | LIB | 1,824 |
| B. Lunniss | LIB | 1,404 |
| Patricia Donnellan | Labour | 941 |
| I. Knight | Labour | 824 |
