Columbia is a town in Coös County, New Hampshire, United States. The population was 659 at the 2020 census, down from 757 at the 2010 census. It is part of the Berlin, NH-VT micropolitan statistical area.
Elevation: 1,024 ft (312 m)
Country: United States
State: New Hampshire
County: Coös
Incorporated: 1797
Villages: Columbia · Tinkerville
ZIP codes: 03576 (Colebrook) · 03590 (North Stratford)