Grafton County, New Hampshire

Grafton County
County
Grafton County Courthouse in Haverhill
Location within the U.S. state of New Hampshire
New Hampshire's location within the U.S.
Coordinates: 43°53′46″N 71°53′41″W / 43.896069°N 71.89463°W / 43.896069; -71.89463
Country	United States
State	New Hampshire
Founded	1769
Named for	Augustus FitzRoy, 3rd Duke of Grafton
Seat	Haverhill
Largest city	Lebanon
Area
• Total	1,749.7 sq mi (4,532 km2)
• Land	1,708.6 sq mi (4,425 km2)
• Water	41.1 sq mi (106 km2)  2.3%
Population  (2020)
• Total	91,118
• Estimate  (2022)	91,126
• Density	53.3/sq mi (20.6/km2)
Time zone	UTC−5 (Eastern)
• Summer (DST)	UTC−4 (EDT)
Congressional districts	1st, 2nd
Website	www.co.grafton.nh.us

Grafton County is a county in the U.S. state of New Hampshire. As of the 2020 census, the population was 91,118.^[1] Its county seat is the town of Haverhill.^[2] In 1972, the county courthouse and other offices were moved from Woodsville, a larger village within the town of Haverhill, to North Haverhill.

Grafton County is part of the Claremont-Lebanon, NH–VT Micropolitan Statistical Area.

The county is the home of Dartmouth College and Plymouth State University. Progressive Farmer rated Grafton County fourth in its list of the "Best Places to Live in Rural America" in 2006,^[3] citing low unemployment (despite slow economic growth), a favorable cost of living, and the presence of White Mountain National Forest, the state's only national forest.