Hillsborough County, New Hampshire | ||
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Hillsborough County Courthouse in Nashua
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Location in the U.S. state of New Hampshire |
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New Hampshire's location in the U.S. |
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Founded | 1769 | |
Named for | The Earl of Hillsborough | |
Seat | Manchester and Nashua | |
Largest city | Manchester (by population) Weare (by area) |
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Area | ||
• Total | 892 sq mi (2,310 km2) | |
• Land | 876 sq mi (2,269 km2) | |
• Water | 16 sq mi (41 km2), 1.8% | |
Population (est.) | ||
• (2013) | 403,985 | |
• Density | 457/sq mi (176/km²) | |
Congressional districts | 1st, 2nd | |
Time zone | Eastern: UTC-5/-4 | |
Website | www |
Hillsborough County is the most populous county in the U.S. state of New Hampshire. As of the 2010 census, the population was 400,721. Its county seats are Manchester and Nashua. Hillsborough is northern New England's most populous county as well as its most densely populated.
Hillsborough County comprises the Manchester-Nashua, NH Metropolitan Statistical Area, which is also included in the Boston-Worcester-Providence, MA-RI-NH-CT Combined Statistical Area.
Hillsborough was one of the five original counties identified for New Hampshire in 1769, and was named for Wills Hill, the Earl of Hillsborough who was British Secretary of State for the Colonies at the time. The county was organized at Amherst on March 19, 1771. In 1823 a number of towns were removed to become part of Merrimack County. Over several years ending in 1869, county administrative functions were moved from Amherst first to Milford in 1866 then to the current seats of Manchester and Nashua.
According to the U.S. Census Bureau, the county has a total area of 892 square miles (2,310 km2), of which 876 square miles (2,270 km2) is land and 16 square miles (41 km2) (1.8%) is water. The highest point in Hillsborough county is Pack Monadnock Mountain at 2,290 feet (700 m).