Town guide
Grantham
New Hampshire · NH · Sullivan County
About Grantham
Town in New Hampshire, United States1761Established
3,404Population
28.1 sq miArea
948 ftElevation
Grantham is a town in Sullivan County, New Hampshire, United States. The population was 3,404 at the 2020 census, an increase over the figure of 2,985 tabulated in 2010. The planned community of Eastman is in the eastern part of the town.
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