Grafton County is a county in the U.S. state of New Hampshire. As of the 2020 census, the population was 91,118. Its county seat is the town of Haverhill. In 1972, the county courthouse and other offices were moved from Woodsville, a larger village within the town of Haverhill, to North Haverhill.
Country: United States
State: New Hampshire
Founded: 1769
Named after: Augustus FitzRoy, 3rd Duke of Grafton
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