Maine Ulster Scots Saving and Sharing Maine's Scots-Irish Heritage
| Maine County | Scots Ancestry | Ulster-Scots Ancestry |
| Androscoggin | 3% | 2% |
| Aroostook | 3 | 2 |
| Cumberland | 5 | 3 |
| Franklin | 5 | 2 |
| Hancock | 5 | 3 |
| Kennebec | 4 | 2 |
| Knox | 5 | 3 |
| Lincoln | 6 | 3 |
| Oxford | 5 | 2 |
| Penobscot | 4 | 3 |
| Piscataquis | 5 | 2 |
| Sagadahoc | 5 | 2 |
| Somerset | 4 | 2 |
| Waldo | 5 | 3 |
| Washington | 5 | 4 |
| York | 4 | 2 |
