Newmarket, New Hampshire

Newmarket, New Hampshire
Downtown Newmarket
Location in Rockingham County and the state of New Hampshire
Coordinates: 43°04′58″N 70°56′06″W / 43.08278°N 70.93500°W / 43.08278; -70.93500
CountryUnited States
StateNew Hampshire
CountyRockingham
Incorporated1727
Government
  Town Council
Members
  • Katanna Conley, Chair
  • Brian Ward
  • Scott Blackstone
  • Joe Lamattina
  • Colin D. White, Sr.
  • Sonke Dornblut
  • Justin Glazebrook
  Town ManagerSteve Fournier
Area
  Total
14.2 sq mi (36.7 km2)
  Land12.6 sq mi (32.6 km2)
  Water1.6 sq mi (4.1 km2)  11.24%
Elevation
39 ft (12 m)
Population
 (2020)
  Total
9,430
  Density749/sq mi (289.1/km2)
Time zoneUTC-5 (Eastern)
  Summer (DST)UTC-4 (Eastern)
ZIP Code
03857
Area code603
FIPS code33-52340
GNIS feature ID0873683
Websitewww.newmarketnh.gov

Newmarket is a town in Rockingham County, New Hampshire, United States. The population was 9,430 at the 2020 census. Some residents are students and employees at the nearby University of New Hampshire in Durham.

The densely settled center of town, where 5,797 people resided at the 2020 census, is defined as the Newmarket census-designated place and is located at the junction of New Hampshire routes 108 and 152, along the Lamprey River.