Before (end of 1978) (47 seats, Elections Centre)
Conservative 32 · Labour 12 · Other 3 · The Liberal Party 0
After (end of 1979) (47 seats, Elections Centre)
Conservative 28 · Labour 17 · Other 2 · The Liberal Party 0
Ward results
Chorley East1 seat · turnout 72.8%
| B. Hodson | Labour | 2,028 |
| R. Jolly | Conservative | 1,048 |
Chorley North East2 seats · turnout 73.8%
| F. Baynham | Labour | 1,697 |
| A. Watmough | Labour | 1,663 |
| B. Pilkington | Conservative | 1,402 |
| D. Cunliffe | Conservative | 1,389 |
Chorley South East1 seat · turnout 79.2%
| H. Astley | Labour | 1,793 |
| J. Marsden | Conservative | 1,531 |
Chorley South West1 seat · turnout 78.1%
| F. Haddon | Labour | 2,109 |
| P. Malpas | Conservative | 1,103 |
Chorley West1 seat · turnout 83.6%
| A. Gee | Labour | 1,408 |
| P. Knowles | Conservative | 1,399 |
| J. Smeeton | Independent | 782 |
Clayton-Le-Woods East1 seat · turnout 78.9%
| J. Livesey | Conservative | 669 |
| G. Butler | Independent | 405 |
| J. Hagarty | Labour | 261 |
Clayton-Le-Woods West & Cuerden1 seat · turnout 79.2%
| E. Crabtree | Conservative | 1,563 |
| P. Wilson | Labour | 918 |
Coppull North1 seat · turnout 81.2%
| M. Clark | Labour | 1,266 |
| A. Helme | Conservative | 733 |
| T. Greeney | Independent | 229 |
Coppull South1 seat · turnout 81.4%
| A. Lowe | Labour | 1,212 |
| J. Lewis | Conservative | 571 |
| Walsh H. Save | the Y | 397 |
Eccleston & Heskin1 seat · turnout 82.4%
| J. Lucas | Conservative | 1,851 |
| A. Whittaker | Labour | 1,300 |
Euxton North1 seat · turnout 83.2%
| L. Branston | Conservative | 1,175 |
| F. Higson | Labour | 910 |
Euxton South1 seat · turnout 80.5%
| G. Simons | Conservative | 1,648 |
| M. Newbury | Labour | 857 |
Lostock1 seat · turnout 78.6%
| R. Gardner | Independent | 1,606 |
| L. Darlington | Labour | 481 |
Whittle Le Woods1 seat · turnout 82.1%
| D. Simkin | Conservative | 1,217 |
| R. Crook | Labour | 865 |
Withnell1 seat · turnout 83.0%
| M. Crowther | Conservative | 1,167 |
| M. Talbot | Labour | 863 |
