Lancaster is a town located along the Connecticut River in Coos County, New Hampshire, United States. The town is named after the city of Lancaster in England. As of the 2010 census, the town population was 3,507, the second largest in the county after Berlin. It is the county seat of Coos County and gateway to the Great North Woods Region. Lancaster, which includes the villages of Grange and South Lancaster, is home to Weeks State Park and the Lancaster... Show more

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