Coos County, NH
Coos County Map
The County of Coos is located in the State of New Hampshire. Find directions to Coos County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Coos County population is estimated at 31,174 people. The Coos County time zone is Eastern Daylight Time which is 5 hours behind Coordinated Universal Time (UTC).