Coos County, county in New Hampshire, United States. As of 2020 county had an estimated population of 31,174 inhabitants. The county was created 223 years ago in 1803. Its county seat is Lancaster.
There are 2 city/town in Coos County, NH. The largest city of Coos County is Dalton with a population of 878. Other cities include and Dummer population 282
Dummer, Human settlement in Coös County, New Hampshire, United States of America
List of cities, towns, neighborhoods & other populated places in Coos County.
| City Name | Title | Population |
|---|---|---|
| Dalton | Town in Coos County, New Hampshire, United States | 878 |
| Dummer | Human settlement in Coös County, New Hampshire, United States of America | 282 |