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Coos County New Hampshire Map
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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.
Country:
United States
State:
New Hampshire
Founded:
1803
Named for:
Algonquian for “small pines”
Seat:
Lancaster
Largest city:
Berlin
Congressional district:
2nd
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Data from:
en.wikipedia.org