Portsmouth, New Hampshire

Portsmouth is a city in Rockingham County, New Hampshire, United States. As of the 2010 census it had a population of 21,233,[3] and in 2019 the estimated population was 21,927.[4] A historic seaport and popular summer tourist destination on the Piscataqua River bordering the state of Maine, Portsmouth was formerly the home of the Strategic Air Command's Pease Air Force Base, since converted to Portsmouth International Airport at Pease.

Portsmouth, New Hampshire
City
Market Square
Location in Rockingham County and the state of New Hampshire.
Coordinates: 43°4′32″N 70°45′38″W
CountryUnited States
StateNew Hampshire
CountyRockingham
Settled1630
Incorporated1653
Incorporated (city)1849
Government
  MayorRick Becksted
  Assistant MayorJim Splaine
  City Council
Members
  • Deaglan McEachern
  • Peter Whelan
  • Cliff Lazenby
  • Esther Kennedy
  • Petra Huda
  • John Tabor
  • Paige Trace
  City ManagerKaren Conard
Area
  Total16.82 sq mi (43.57 km2)
  Land15.66 sq mi (40.56 km2)
  Water1.17 sq mi (3.02 km2)  7.21%
Elevation
20 ft (6 m)
Population
 (2010)
  Total21,233
  Estimate 
(2019)[2]
21,927
  Density1,400.28/sq mi (540.66/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (Eastern)
ZIP codes
03801–03804
Area code(s)603
FIPS code33-62900
GNIS feature ID0869312
Websitecityofportsmouth.com
Welcome sign in downtown Portsmouth
Market Square in 1853
Congress Street (c. 1905)
Portsmouth Harbor, New Hampshire by William James Glackens (1909)
Waterfront, 1917