- District 1 - York County
- District 2 - Cumberland County
- District 3 - Androscoggin, Franklin and Oxford Counties
- District 4 - Kennebec and Somerset Counties
- District 5 - Penobscot and Piscataquis Counties
- District 6 - Knox, Lincoln, Sagadahoc and Waldo Counties
- District 7 - Hancock and Washington Counties
- District 8 - Aroostook County
