Newington is a town in Rockingham County, New Hampshire, United States. The population was 753 at the 2010 census.United States Census Bureau, American FactFinder, 2010 Census figures. Retrieved March 23, 2011. It is bounded to the west by Great Bay, northwest by Little Bay and northeast by the Piscataqua River. It is home to Portsmouth International Airport at Pease (formerly Pease Air Force Base), and to the New Hampshire National Guard. Old Town Center Historic District is listed on the National Register of Historic Places.

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