Newington is a town in Rockingham County, New Hampshire, United States. The population was 811 at the 2020 census. It is bounded to the west by Great Bay, to the northwest by Little Bay and to the northeast by the Piscataqua River.
Elevation: 79 ft (24 m)
Country: United States
State: New Hampshire
County: Rockingham
Incorporated: 1764
Villages: Newington · Newington Station · Piscataqua