| Answer | Crossword Clue |
|---|---|
| ESSEX | Northernmost county of Massachusetts |
| ERIE | Northernmost Pennsylvania county |
| BOONE | Kentucky's northernmost county |
| DONEGAL | Ireland's northernmost county |
| DONEGAL | Northernmost Irish county |
| ERIE | Pennsylvania's northernmost county |
| ERIE | Northernmost Keystone State county |
| SUSSEX | Northernmost county in New Jersey |
| IDA | St. whose northernmost division is Boundary County |
| IDAHO | State in which Bonners Ferry is the northernmost county seat |
