Coos County, county in New Hampshire, United States. As of 2020 county had an estimated population of 31,174 inhabitants. The county was created 221 years ago in 1803. Its county seat is Lancaster.
There are 1 city/town in Coos County, NH. The largest city of Coos County is Jefferson with a population of 1,049.
List of cities, towns, neighborhoods & other populated places in Coos County.
City Name | Title | Population |
---|---|---|
Jefferson | Town in New Hampshire, United States | 1,049 |