Before (end of 1983) (55 seats, Elections Centre)
Other 33 · Conservative 15 · SDP-Liberal Alliance 6 · Labour 1
After (end of 1984) (55 seats, Elections Centre)
Other 31 · Conservative 17 · SDP-Liberal Alliance 6 · Labour 1
Ward results
Beaminister1 seat
| A. Hudson | Independent | 0 ✓ |
Bridport North1 seat · turnout 49.1%
| S. Baker | Conservative | 703 |
| D. Cash | Labour | 502 |
| R. Draper | Lib/Sdp | 315 |
Bridport South1 seat · turnout 37.0%
| C. Samways | Independent | 551 |
| D. England | Conservative | 361 |
Burton Bradstock1 seat
| R. Bailey | Independent | 0 ✓ |
Caundle Vale1 seat
| N. White | Independent | 0 ✓ |
Charminister1 seat · turnout 45.2%
| B. Woodhouse | Conservative | 385 |
| G. Halliwell | Lib/Sdp | 188 |
| L. Cobbold | Independent | 38 |
Charmouth1 seat
| J. Cockerill | Independent | 0 ✓ |
Chesil Bank1 seat
| M. Pengelly | Independent | 0 ✓ |
Chickerell1 seat · turnout 29.6%
| F. Davies | Conservative | 427 |
| F. Shereston | Independent | 276 |
| P. Brown | Independent | 159 |
Dorchester South1 seat · turnout 44.3%
| J. Hobb | Conservative | 863 |
| D. Kingston | Lib/Sdp | 572 |
| T. Warren | Labour | 185 |
Dorchester West1 seat · turnout 47.9%
| J. Antell | Labour | 593 |
| F. Alderman | Conservative | 557 |
| T. Harries | Lib/Sdp | 416 |
Frome Valley1 seat · turnout 53.2%
| B. Bryant | Independent | 370 |
| G. Simpson | Lib/Sdp | 198 |
Lyme Regis1 seat · turnout 37.1%
| J. Nuttall | Conservative | 801 |
| V. Homyer | Independent | 288 |
Maiden Newton1 seat · turnout 78.2%
| H. Haward | Independent | 575 |
| N. Patmore | Independent | 227 |
Piddle Valley1 seat
| A. Read | Ind Con | 0 ✓ |
Sherborne West1 seat · turnout 45.9%
| P. Jenkins | Conservative | 715 |
| L. Siegle | Lib/Sdp | 622 |
| A. Mitchell | Labour | 513 |
Thorncombe1 seat
| J. Atyeo | Independent | 0 ✓ |
Whitchurch Canonicorum1 seat
| C. Gibson | Conservative | 0 ✓ |