Before (end of 1986) (36 seats, Elections Centre)
Conservative 30 · Labour 6 · SDP-Liberal Alliance 0 · Other 0
After (end of 1987) (36 seats, Elections Centre)
Conservative 30 · Labour 5 · SDP-Liberal Alliance 1 · Other 0
Ward results
Barnwell1 seat · turnout 60.8%
| J. Fowles | Conservative | 343 |
| J. Brown | Lib/Sdp | 207 |
| R. Litawski | Labour | 48 |
Drayton1 seat · turnout 51.2%
| R. Clifton | Conservative | 413 |
| J. McGeown | Lib/Sdp | 206 |
Forest1 seat · turnout 60.5%
| M. Glithero | Conservative | 616 |
| G. Smoker | Lib/Sdp | 138 |
Higham Ferrers3 seats · turnout 51.7%
| G. Murdin | Conservative | 1,436 |
| H Binder | Conservative | 1,244 |
| D. Lawson | Conservative | 1,220 |
| R Gell | Independent | 870 |
| Paul Gadsby | Labour | 783 |
| G Moore | Labour | 612 |
| B Elgood | Labour | 595 |
Irthlingborough3 seats · turnout 46.2%
| E. McGibbon | Conservative | 1,181 |
| P. Brightwell | Conservative | 1,119 |
| W. Howlett | Labour | 908 |
| I. Musson | Conservative | 891 |
| R. Nightingale | Labour | 809 |
| D. Templeton | Labour | 726 |
| C. Nightingale | Lib/Sdp | 436 |
Kings Cliffe1 seat · turnout 65.5%
| G Wagstaffe | Conservative | 320 |
| Malcolm Day | Independent | 135 |
| E. Gahan | Lib/Sdp | 87 |
Lower Nene1 seat · turnout 59.1%
| P. Dixon | Conservative | 474 |
| J. Welch | Lib/Sdp | 162 |
Margaret Beaufort1 seat
| H. Gregory | Conservative | 0 ✓ |
Oundle2 seats · turnout 48.4%
| P. Brudenell | Conservative | 1,043 |
| M. Slater | Conservative | 842 |
| M. Roffe | Lib/Sdp | 580 |
| S Dalzell | Labour | 486 |
Raunds3 seats · turnout 41.8%
| J. Chatburn | Conservative | 1,202 |
| P. Chantrell | Conservative | 1,154 |
| A. Campbell | Conservative | 1,101 |
| Marea Roberts | Labour | 777 |
| S. Allen | Labour | 560 |
| C. Dorks | Lib/Sdp | 560 |
| E. Beeby | Labour | 478 |
| T. Burke | Lib/Sdp | 472 |
| T. Shrive | Lib/Sdp | 378 |
Ringstead1 seat · turnout 61.4%
| J. Barrett | Conservative | 351 |
| J. Horsewood | Independent | 335 |
| D. Harrison | Lib/Sdp | 157 |
Rushden East3 seats · turnout 33.8%
| E. Dicks | Labour | 1,147 |
| A. Mantle | Labour | 792 |
| Rolfe L. | Labour | 698 |
| D Leigh | Conservative | 633 |
| A. White | Conservative | 602 |
Rushden North3 seats · turnout 30.4%
| Wood C. | Conservative | 1,056 |
| B. Catlin | Conservative | 1,014 |
| J. Gay | Conservative | 913 |
| J. Swinburne | Lib/Sdp | 554 |
| P. Tomas | Labour | 538 |
Rushden South3 seats · turnout 34.2%
| G. Osborne | Conservative | 1,173 |
| J. Wheal | Conservative | 1,113 |
| G. Evelyn | Conservative | 1,078 |
| B. Noble | Lib/Sdp | 739 |
| K. Buggs | Lib/Sdp | 668 |
Rushden West3 seats · turnout 26.6%
| E. Carmichael | Conservative | 1,012 |
| J. Stott-Everett | Conservative | 895 |
| K. Sulphur | Conservative | 785 |
| E. Sampson | Labour | 761 |
Stanwick1 seat · turnout 57.5%
| E. Gathercole | Conservative | 407 |
| B. Hughes | Lib/Sdp | 256 |
| R. Crick | Labour | 58 |
Thrapston2 seats · turnout 40.2%
| J. Bunyan | Conservative | 704 |
| J. Whitham | Conservative | 651 |
| J. Cartwright | Lib/Sdp | 268 |
| I Byrnes | Labour | 249 |
| J. Hill | Labour | 246 |
| F. Hudd | Lib/Sdp | 211 |
Willibrook1 seat · turnout 62.9%
| J Richards | Conservative | 484 |
| J. Wilkinson | Labour | 130 |
| S. Beecroft | Lib/Sdp | 128 |
Woodford1 seat · turnout 61.6%
| E. Hackney | Labour | 325 |
| J. Hawes | Conservative | 286 |