Before (end of 1983) (40 seats, Elections Centre)
Labour 27 · SDP-Liberal Alliance 7 · Conservative 6 · Other 0
After (end of 1984) (40 seats, Elections Centre)
Labour 29 · Conservative 6 · SDP-Liberal Alliance 5 · Other 0
Ward results
Ashby Grange East1 seat · turnout 48.5%
| M. Sturman | Labour | 658 |
| A. Turyman | Lib/Sdp | 368 |
| H. Laverick | Conservative | 133 |
Ashby Grange West1 seat · turnout 37.5%
| M. Tierney | Labour | 681 |
| T. Wilson | Lib/Sdp | 314 |
| P. White | Conservative | 287 |
Brumby West1 seat · turnout 35.9%
| S. Wilson | Labour | 706 |
| T. Cartlidge | Lib/Sdp | 584 |
| D. Lewis | Conservative | 125 |
Crosby Town North1 seat · turnout 45.2%
| R. Downs | Labour | 607 |
| F. Dring | Lib/Sdp | 473 |
| J. Swash | Conservative | 185 |
Crosby Town South1 seat · turnout 47.0%
| L. Pearson | Labour | 708 ✓ |
| S. Davies | SDP-Liberal Alliance | 431 |
| R. Wilkinson | Conservative | 261 |
Frodingham North1 seat · turnout 44.6%
| T. Towndrow | Labour | 798 |
| S. Hirst | Conservative | 473 |
| A. Hunt | Lib/Sdp | 372 |
Frodingham South2 seats · turnout 26.9%
| D. Towndrow | Labour | 603 |
| J. Towndrow | Labour | 560 |
| T. Hargreaves | Conservative | 199 |
| J. Ricketts | Lib/Sdp | 147 |
Kingsway West1 seat · turnout 43.9%
| J. Johnson | Labour | 725 |
| M. Lewis | Conservative | 660 |
| V. Lobley | Lib/Sdp | 148 |
Lincoln Gardens West1 seat · turnout 37.1%
| B. Vessey | Labour | 785 |
| T. Ellerby | Conservative | 309 |
| P. Ostafielyk | Lib/Sdp | 190 |
Riddings East1 seat · turnout 33.1%
| H. Skinner | Labour | 528 |
| R. Chamberlain | Conservative | 171 |
| T. Leaning | Lib/Sdp | 113 |
Riddings West1 seat · turnout 35.0%
| L. Foster | Labour | 889 |
| D. Denby | Conservative | 241 |
| M. Horsewood | Lib/Sdp | 162 |