Before (end of 1978) (42 seats, Elections Centre)
Conservative 20 · Other 15 · Labour 6 · The Liberal Party 1
After (end of 1979) (42 seats, Elections Centre)
Conservative 32 · Other 5 · Labour 4 · The Liberal Party 1
Ward results
Atworth and Whitley1 seat · turnout 80.7%
| R. Long | Conservative | 767 |
| B. Kain | Independent | 708 |
College3 seats
| C. McGuigan | Labour | 0 |
| D. Brown | Labour | 0 |
| D. Murphy | Labour | 0 |
No. 1 (Bradford Upon Avon)4 seats
| D Newman | Conservative | 2,928 ✓ |
| J Rodway | Conservative | 2,310 ✓ |
| M Mizen | Labour | 2,278 ✓ |
| R Beresford | Conservative | 2,121 ✓ |
| R Garrard | Conservative | 1,938 |
| P Taylor | LIB | 1,860 |
| B Hooper | LIB | 1,702 |
| E Foster | Labour | 1,285 |
No. 10 (Hilperton)1 seat
| Snook | Conservative | 0 ✓ |
No. 11 (Steeple Ashton)2 seats · turnout 60.4%
| J. Bennet | Conservative | 1,711 |
| C. Hart | Conservative | 1,504 |
| R. Pepier | Independent | 764 |
No. 12 (Southwick)2 seats
| A. Henson | Conservative | 0 ✓ |
| T Phillips | Conservative | 0 ✓ |
No. 13 (Heywood)1 seat
| R. Powell | Independent | 0 ✓ |
No. 14 (Corsley)1 seat
| L. White | Independent | 0 ✓ |
| K. Hillyer | Conservative | 0 ✓ |
No. 16 (Codford)1 seat
| G. Currie | Conservative | 0 ✓ |
No. 2 (Melksham)5 seats
| M. Salisbury | Labour | 2,570 ✓ |
| M. Weston | Conservative | 2,504 ✓ |
| R Wiltshire | Conservative | 2,311 ✓ |
| I. Petty | Independent | 1,988 ✓ |
| M. O'Gorman | Labour | 1,720 ✓ |
| T. Gibbs | Labour | 1,657 |
| B. Bronson | Conservative | 1,643 |
| B. Bailey | Labour | 1,632 |
| S. Wilkinson | Conservative | 1,560 |
| L. Wyllie | Labour | 1,441 |
| H. Johnson | Conservative | 1,434 |
| C. Grimshaw | LIB | 1,370 |
| R. Rivers | LIB | 1,047 |
No. 3 (Trowbridge)9 seats
| E Jackman | Conservative | 4,946 ✓ |
| G Roberts | Conservative | 4,852 ✓ |
| G Allden | Conservative | 4,712 ✓ |
| G Applegate | Conservative | 4,609 ✓ |
| M. Pearce | Conservative | 4,487 ✓ |
| M Ashby | Conservative | 4,110 ✓ |
| J Fitchen | Conservative | 4,044 ✓ |
| T Pearce | Conservative | 3,988 ✓ |
| G Payne | Conservative | 3,789 ✓ |
| R Bennett | LIB | 2,925 |
| D Holton | LIB | 2,835 |
| A Dunn | Labour | 2,613 |
| C Callow | Labour | 2,526 |
| P Bell | Labour | 2,516 |
| K Johnson | LIB | 2,506 |
| P Macdonald | LIB | 2,424 |
| G Johnson | LIB | 2,360 |
| Samson Carey | Labour | 2,342 |
| E Medway | LIB | 2,310 |
| M Jones | LIB | 2,308 |
| T Taylor | LIB | 2,303 |
| James Osborn | Labour | 2,256 |
| A McFarlane | Labour | 2,212 |
| C Varnam | LIB | 2,144 |
| Becca Snow | Labour | 2,057 |
| O Worley | Labour | 1,829 |
No. 4 (Warminster)6 seats · turnout 32.3%
| J. House | Conservative | 3,314 |
| K. Self | Conservative | 3,146 |
| A. Curtis | Conservative | 3,130 |
| M. Hayward | Independent | 2,989 |
| C. Goodbody | Conservative | 2,520 |
| R. Wardell-Yerburgh | Conservative | 2,314 |
| T. Fotheringham | Labour | 2,131 |
No. 6 (Winsley)2 seats · turnout 73.3%
| W. Wile | Conservative | 1,556 |
| T. Bishop | Conservative | 1,247 |
| J. Allison | Independent | 1,104 |
No. 8 (Holt)2 seats · turnout 57.9%
| B. Tucker | Independent | 1,491 |
| J. Hope | Conservative | 798 |
| M. Mortimer | Independent | 797 |
No. 9 (Blackmoor & Woolmoor)1 seat · turnout 76.2%
| G. Greenman | Conservative | 1,810 |
| B. Coffin | Labour | 978 |
Westbury With Storridge3 seats · turnout 59.0%
| W. Vivash | Labour | 1,955 |
| P Fuller | Conservative | 1,359 |
| C. Ball | LIB | 1,302 |
| J. Howsego | Conservative | 1,259 |
| J. Forrester | Labour | 1,243 |
| T. Knowles | Conservative | 1,198 |
| W. Shore | LIB | 971 |
