# 1974–75 Isthmian League

The 1974–75 season was the 60th in the history of the Isthmian League, an English football competition.
Wycombe Wanderers won Division One, while Staines Town won Division Two.

## Division One

Division One featured 22 clubs, including 20 clubs from the previous season and two clubs, promoted from Division Two:
* Dagenham
* Slough Town

### League table

| Pos | Team | Pld | W | D | L | GF | GA | GR | Pts | Relegation |
| 1 | Wycombe Wanderers | 42 | 28 | 11 | 3 | 93 | 30 | 3.100 | 95 | |
| 2 | Enfield | 42 | 29 | 8 | 5 | 78 | 26 | 3.000 | 95 | |
| 3 | Dagenham | 42 | 28 | 5 | 9 | 95 | 44 | 2.159 | 89 | |
| 4 | Tooting & Mitcham United | 42 | 25 | 9 | 8 | 78 | 46 | 1.696 | 84 | |
| 5 | Dulwich Hamlet | 42 | 24 | 10 | 8 | 75 | 38 | 1.974 | 82 | |
| 6 | Leatherhead | 42 | 23 | 10 | 9 | 83 | 42 | 1.976 | 79 | |
| 7 | Ilford | 42 | 23 | 10 | 9 | 98 | 51 | 1.922 | 79 | |
| 8 | Oxford City | 42 | 17 | 9 | 16 | 63 | 56 | 1.125 | 60 | |
| 9 | Slough Town | 42 | 17 | 6 | 19 | 68 | 52 | 1.308 | 57 | |
| 10 | Sutton United | 42 | 17 | 6 | 19 | 68 | 63 | 1.079 | 57 | |
| 11 | Bishop's Stortford | 42 | 17 | 6 | 19 | 56 | 64 | 0.875 | 57 | |
| 12 | Hitchin Town | 42 | 15 | 10 | 17 | 57 | 71 | 0.803 | 55 | |
| 13 | Hendon | 42 | 15 | 7 | 20 | 59 | 74 | 0.797 | 52 | |
| 14 | Walthamstow Avenue | 42 | 13 | 9 | 20 | 56 | 62 | 0.903 | 48 | |
| 15 | Woking | 42 | 12 | 10 | 20 | 53 | 73 | 0.726 | 46 | |
| 16 | Hayes | 42 | 10 | 14 | 18 | 52 | 66 | 0.788 | 44 | |
| 17 | Barking | 42 | 12 | 8 | 22 | 57 | 81 | 0.704 | 44 | |
| 18 | Leytonstone | 42 | 12 | 7 | 23 | 42 | 61 | 0.689 | 43 | |
| 19 | Kingstonian | 42 | 13 | 4 | 25 | 48 | 73 | 0.658 | 43 | |
| 20 | Clapton | 42 | 12 | 4 | 26 | 46 | 96 | 0.479 | 40 | |
| 21 | Walton & Hersham | 42 | 9 | 4 | 29 | 37 | 108 | 0.343 | 31 | Relegated to Division Two |
| 22 | Bromley | 42 | 6 | 3 | 33 | 25 | 110 | 0.227 | 21 | Relegated to Division Two |

## Division Two

Division Two expanded up to 18 clubs, including fourteen clubs from the previous season and four new clubs:
* Two clubs relegated from Division One:
** Corinthian-Casuals
** St Albans City
* Two clubs switched from the Athenian League:
** Boreham Wood
** Croydon

### League table

| Pos | Team | Pld | W | D | L | GF | GA | GR | Pts | Promotion |
| 1 | Staines Town | 34 | 23 | 2 | 9 | 65 | 23 | 2.826 | 71 | Promoted to Division One |
| 2 | Southall | 34 | 20 | 3 | 11 | 55 | 41 | 1.341 | 63 | Promoted to Division One |
| 3 | Tilbury | 34 | 19 | 5 | 10 | 64 | 36 | 1.778 | 60 | |
| 4 | Harwich & Parkeston | 34 | 18 | 4 | 12 | 52 | 44 | 1.182 | 58 | |
| 5 | Chesham United | 34 | 17 | 6 | 11 | 59 | 39 | 1.513 | 57 | |
| 6 | St Albans City | 34 | 15 | 11 | 8 | 42 | 37 | 1.135 | 56 | |
| 7 | Harlow Town | 34 | 16 | 6 | 12 | 53 | 47 | 1.128 | 54 | |
| 8 | Horsham | 34 | 16 | 5 | 13 | 59 | 49 | 1.204 | 53 | |
| 9 | Maidenhead United | 34 | 13 | 7 | 14 | 38 | 40 | 0.950 | 46 | |
| 10 | Hampton | 34 | 12 | 7 | 15 | 44 | 42 | 1.048 | 43 | |
| 11 | Croydon | 34 | 11 | 10 | 13 | 48 | 55 | 0.873 | 43 | |
| 12 | Hertford Town | 34 | 10 | 7 | 17 | 35 | 52 | 0.673 | 37 | |
| 13 | Boreham Wood | 34 | 7 | 15 | 12 | 41 | 49 | 0.837 | 36 | |
| 14 | Wokingham Town | 34 | 10 | 6 | 18 | 32 | 43 | 0.744 | 36 | |
| 15 | Finchley | 34 | 9 | 9 | 16 | 36 | 53 | 0.679 | 36 | |
| 16 | Carshalton Athletic | 34 | 9 | 9 | 16 | 38 | 58 | 0.655 | 36 | |
| 17 | Aveley | 34 | 9 | 7 | 18 | 34 | 63 | 0.540 | 34 | |
| 18 | Corinthian-Casuals | 34 | 8 | 9 | 17 | 35 | 59 | 0.593 | 33 | |
* ↑ Tilbury were deducted two points.