Before (end of 1974) (72 seats, Elections Centre)
Labour 66 · Conservative 5 · Other 1 · The Liberal Party 0
After (end of 1975) (72 seats, Elections Centre)
Labour 61 · Conservative 10 · Other 1 · The Liberal Party 0
Ward results
No. 1 (Wigan: Lindsay-Scholes-Whelley)1 seat · turnout 29.0%
| M. Pratt | Labour | 1,728 |
| C. Giles | Conservative | 966 |
No. 10 (Leigh: Lilford-St. Josephs-St. Thomas)1 seat · turnout 31.3%
| M. Wood | Conservative | 1,853 |
| J. Prytharch | Labour | 997 |
No. 11 (Golborne: St. Thomas & Lowton)1 seat · turnout 34.5%
| E. Roberts | Labour | 2,095 |
| T. Thompson | Conservative | 1,469 |
| A Miller | Labour | 0 ✓ |
No. 13 (Ashton-In-Makerfield:north & West)1 seat · turnout 21.7%
| R. Lyons | Labour | 1,186 |
| P. Scully | LIB | 453 |
No. 14 (Ashton-In-Makerfield:central & East)1 seat · turnout 26.6%
| Worsley | LIB | 1,103 |
| G. Fairhurst | Labour | 1,043 |
No. 15 (Standish-With-Langtree & Shevington)1 seat · turnout 35.2%
| J. Hardy | Labour | 1,346 ✓ |
| Dewwhurst | Independent | 1,302 |
| Lawson | Conservative | 754 |
| Young | LIB | 369 |
No. 16 (Aspull)1 seat · turnout 22.2%
| H. Lowe | Labour | 1,302 |
| Lammas | LIB | 897 |
No. 17 (Atherton: North East)1 seat · turnout 29.8%
| D. Skitt | Labour | 1,517 |
| Williams | Conservative | 1,025 |
| Hicks | LIB | 261 |
No. 18 (Atherton: South West)1 seat · turnout 30.1%
| Grundy | Conservative | 1,258 |
| Horrabin | Labour | 693 |
No. 19 (Hindley: Central & North)1 seat · turnout 22.2%
| A. Robinson | Labour | 1,087 |
| Haseldene | Conservative | 596 |
No. 2 (Wigan: Poolstock-Worsley Mesnes)1 seat · turnout 17.1%
| S. Townley | Labour | 1,049 |
| Judith Atherton | Conservative | 550 |
No. 20 (Hindley: South-East-West)1 seat · turnout 25.5%
| J. Culshaw | Conservative | 1,346 |
| S. Hardy | Labour | 1,256 |
| Banks | Labour | 0 ✓ |
No. 22 (Orrell & Billinge)1 seat · turnout 34.8%
| Fairburn | Conservative | 2,554 |
| J. Fitzpatrick | Labour | 1,482 |
No. 23 (Tyldesley: Shakerley)1 seat · turnout 29.4%
| A. Wright | Labour | 1,415 |
| Hodkinson | Conservative | 990 |
| Hampson | Labour | 0 ✓ |
No. 3 (Wigan: Gidlow-Swinley-Whitley)1 seat · turnout 32.3%
| W. France | Conservative | 2,417 |
| M. Pendleton | Labour | 862 |
| Mason | LIB | 467 |
No. 4 (Wigan: Beech Hill & Marsh Green)1 seat · turnout 22.1%
| N. Turner | Labour | 1,478 |
| Gormally | Conservative | 586 |
No. 5 (Wigan: Highfield & Lamberhead)1 seat · turnout 21.5%
| J. Smith | Labour | 1,189 |
| T Peet | Conservative | 982 |
| Dowd | COMM | 157 |
No. 6 (Wigan: Newtown & Rose Hill)1 seat · turnout 18.6%
| Mulligan | Labour | 1,116 |
| Boyle | Conservative | 513 |
No. 7 (Leigh: Hope Carr)1 seat · turnout 37.5%
| Hurst | Conservative | 1,535 |
| J. Jones | Labour | 1,048 |
No. 8 (Leigh: St. Pauls & St. Peters)1 seat · turnout 16.8%
| G. Bridge | Labour | 817 |
| J Davies | Conservative | 566 |
| J. Blackburn | COMM | 91 |
No. 9 (Leigh: Etherstone & St. Marys)1 seat · turnout 25.7%
| H. Yates | Conservative | 1,310 |
| Tonks | Labour | 991 |
| Kedward | COMM | 97 |
