| Hillsboro, OR (City) |
| Hillsboro, ND (City) |
| Hillsboro, KS (City) |
| Hillsboro, IA (City) |
| Hillsboro, IL (City) |
| Hillsboro, MD (Town) |
| Hillsboro, AL (Town) |
| Hillsboro, OH (City) |
| Hillsboro, WI (City) |
| Hillsboro, VA (Town) |
| Hillsboro Beach , FL (Town) |
| Hillsboro Town, WI (Town) |
| Hillsboro Township, IL (Township) |
| Hillsborough, NC (Town) |
| Hillsborough, NH (Town) |
