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Hillsborough County was one of the five original counties created by this act. The County began to execute its legal authority on March 19, 1771, when approval was received from the King of England. The original jurisdiction of the County included 13 towns that are now in Merrimack County.
Hillsborough County is the most populous county in the U.S. state of New Hampshire. As of the 2020 census, the population was 422,937, [1] almost one-third the population of the entire state. Its county seats are Manchester and Nashua, the state's two biggest cities.
Hillsborough County, NH (herein named “County”) provides the hcnh.org website as a service to the public. The County is not responsible for, and expressly disclaims all liability for, damages of any kind arising out of use, reference to, or reliance on any information contained within this website.
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.
Hillsborough County, NH (herein named “County”) provides the hcnh.org website as a service to the public. The County is not responsible for, and expressly disclaims all liability for, damages of any kind arising out of use, reference to, or reliance on any information contained within this website.
Hillsborough, county, southern New Hampshire, U.S., bordered to the south by Massachusetts. It is a hilly upland region drained by the Merrimack, Piscataquog, and other rivers and dotted with numerous small lakes, including Franklin Pierce Lake and Powder Mill Pond.
Hillsborough County is the most populous county in the U.S. state of New Hampshire. As of the 2020 census, the population was 422,937. Its county seats are Manchester and Nashua. Hillsborough is northern New England's most populous county as well as its most densely populated. References
