Portsmouth, New Hampshire

Portsmouth, New Hampshire
City
Aerial view of Portsmouth
Market Square
Naval fireboat
Chestnut Street Arch
Interactive map of Portsmouth, New Hampshire
Portsmouth
Portsmouth
Coordinates: 43°4′32″N 70°45′38″W / 43.07556°N 70.76056°W / 43.07556; -70.76056
CountryUnited States
StateNew Hampshire
CountyRockingham
Settled1630
Incorporated1653
Incorporated (city)1849
Named afterPortsmouth, Hampshire
Government
 • MayorDeaglan McEachern
 • Assistant MayorJoanna Kelley
 • City Council
Members
  • John Tabor
  • Josh Denton
  • Elizabeth Moreau
  • Andrew Bagley
  • Vincent Lombardi
  • Richard Blalock
  • Kate Cook
 • City ManagerKaren Conard
Area
 • Total
16.82 sq mi (43.57 km2)
 • Land15.66 sq mi (40.56 km2)
 • Water1.16 sq mi (3.01 km2)  6.92%
Elevation
25 ft (7.6 m)
Population
 (2020)
 • Total
21,956
 • Density1,402.0/sq mi (541.31/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (Eastern)
ZIP codes
03801–03804
Area code603
FIPS code33-62900
GNIS feature ID0869312
Websitewww.portsmouthnh.gov

Portsmouth is a city in Rockingham County, New Hampshire, United States. It had a population of 21,956 at the 2020 census. A historic seaport and popular summer tourist destination on the Piscataqua River bordering the state of Maine, Portsmouth was formerly the home of the Pease Air Force Base, since converted to Portsmouth International Airport at Pease.