Clarksville, New Hampshire
Clarksville is a town in northern Coös County, New Hampshire, United States. The population was 294 at the 2020 census. It is part of the Berlin, NH-VT Micropolitan Statistical Area.
NH 145, looking north in Clarksville
Coös County, New Hampshire
Coös County or Coos County is a county in the U.S. state of New Hampshire. As of the 2020 census, the population was 31,268, making it the least-populated county in the state. The county seat is Lancaster.
Coös County Courthouse in Lancaster