| Subdistrict | Enum. district | # of links |
| Chatham | 13 | 178 |
| Chatham | 9 | 30 |
| Chatham | 10 | 23 |
| Chatham | 7 | 17 |
| Harwich | 12 | 13 |
| Harwich | 13 | 11 |
| Chatham | 50 | 10 |
| Chatham | 17 | 9 |
| Chatham | 51 | 9 |
| Chatham Township | 8 | 8 |
| Chatham Township | 16 | 7 |
| Chatham | 52 | 7 |
| Harwich | 11 | 6 |
| Sombra | 35 | 6 |
| Chatham | 47 | 5 |
| Camden | 6 | 5 |
| Harwich | 18 | 5 |
| St. Thomas | 29 | 5 |
| Chatham | 53 | 4 |
| Wallaceburg | 47 | 4 |
| Dresden | 38 | 4 |
| Dresden | 40 | 3 |
| Dover | 3 | 3 |
| Chatham | 54 | 3 |
| Dawn | 6 | 3 |
| Camden Township | 3 | 3 |
| Chatham | 14 | 2 |
| Tilbury East | 36 | 2 |
| Snowden Township | 46 | 2 |
| Chatham | 15 | 2 |
| Dresden | 39 | 2 |
| Camden | 4 | 1 |
| Chatham | 58 | 1 |
| Sarnia | 46 | 1 |
| Harwich | 19 | 1 |
| Harwich | 10 | 1 |
| Lobo | 13 | 1 |
| Euphemia | 38 | 1 |
| Harwich | 16 | 1 |
| Raleigh | 20 | 1 |
| Camden Township | 2 | 1 |
| Chatham | 45 | 1 |