Rochester, New Hampshire

Rochester, New Hampshire
View of downtown Rochester from Central Square
Nickname: 
The Lilac City
Coordinates: 43°18′7″N 70°58′23″W / 43.30194°N 70.97306°W / 43.30194; -70.97306
CountryUnited States
StateNew Hampshire
CountyStrafford
Settled1728 (1728)
Incorporated1722 (1722)
VillagesEast Rochester
Gonic
North Rochester
Government
  MayorPaul Callaghan
  Deputy MayorDon Hamann
  City Council
Members
  • Patricia Turner
  • Timothy Fontneau
  • Daniel Fitzpatrick
  • Leslie "Les" Horne
  • Bryan Karolian
  • David Herman
  • David Walker
  • Chuck Creteau
  • Alexander de Geofroy
  • Matthew Richardson
  • Kevin Sullivan
  City ManagerKathryn Ambrose
Area
  Total
45.44 sq mi (117.68 km2)
  Land45.02 sq mi (116.60 km2)
  Water0.41 sq mi (1.08 km2)
Elevation
225 ft (69 m)
Population
 (2020)
  Total
32,492
  Density721.71/sq mi (278.65/km2)
Time zoneUTC−5 (EST)
  Summer (DST)UTC−4 (EDT)
ZIP codes
03839, 03866–03868
Area code603
FIPS code33-65140
GNIS feature ID0869554
Websitewww.rochesternh.net

Rochester is a city in Strafford County, New Hampshire, United States. The population was 32,492 at the 2020 census, making it the 6th most populous city in New Hampshire. In addition to the downtown area, the city contains the villages of East Rochester, Gonic, and North Rochester. Rochester is home to Skyhaven Airport and part of Baxter Lake.

Rochester was one of New Hampshire's fastest growing cities between 2010 and 2020.