Hillsborough, frequently spelled Hillsboro, is a town in Hillsborough County, New Hampshire, United States. The population was 5,939 at the 2020 census. The town is home to Fox State Forest and part of Low State Forest.
Elevation: 636 ft (194 m)
Country: United States
State: New Hampshire
County: Hillsborough
Incorporated: 1772
Villages: Hillsborough · Hillsborough Center · Hillsborough Lower Village · Hillsborough Upper Village · Emerald Lake Village