Merrimack County , New Hampshire

Merrimack County: County in New Hampshire, United States

Merrimack County locator map
Location of Merrimack County on New Hampshire map.

About

Merrimack County is a county located in the U.S. state of New Hampshire. As of the 2010 census, the population was 146,445 and a population density of 59 people per km². After 10 years in 2020 county had an estimated population of 152,622 inhabitants. Its county seat is Concord. The county was created 198 years ago in 1822.

ConcordNH MerrimackCountyCourthouse 02 image
ConcordNH MerrimackCountyCourthouse 02
ConcordNH MerrimackCountyCourthouse 02 image

Geography

Merrimack County is located at 43°17'52"N 71°40'49"W (43.2976500, -71.6801900). It has 6 neighbors: Hillsborough County, Belknap County, Grafton County, Rockingham County, Strafford County and Sullivan County.

Merrimack County map

The largest city of Merrimack County is Concord with a population of 43,924. Other cities include, East Concord population 42,605, Hooksett population 14,703, Franklin population 8,753 and Bow Bog population 8,381. See all Merrimack County cities & populated places.

Merrimack County Quick Facts

Population : 152,622 (2020)
Country : United States of America
State : New Hampshire (United States)
Different from : Merrick County
Area : 2477 km2
Water as percent of area : 2.3%
Land as percent of area : 97.7%
Named for : Merrimack River
Altitude : 440 feet / 134 meters
Capital : Concord
Establishment : January 01, 1823
Time Zone : America/New_York
Local time : 11:28:08 (26th October 2021)
Density : 62 Pop. per km² as of 2020
Population growth : 4.05% (2010-2020)

Merrimack County has 6 neighbours.

  • Pembroke
  • Webster
  • New London
  • Northfield
  • Bow
  • Danbury
  • Hopkinton
  • Andover
  • Hill
  • Concord
  • Bradford
  • Newbury
  • Salisbury
  • Loudon
  • Dunbarton
  • Henniker
  • Allenstown
  • Boscawen
  • Chichester
  • Wilmot
  • Epsom
  • Canterbury
  • Warner
  • Hooksett
  • Franklin
  • Pittsfield
  • Sutton

Demographics

The population of Merrimack County increased by 4.05% in 10 years.

Year Population % Change Method
2010 146,445 - census
2011 146,867 0.29% estimation process
2012 147,105 0.16% estimation process
2013 147,497 0.27% estimation process
2014 148,161 0.45% estimation process
2015 148,649 0.33% estimation process
2016 149,063 0.28% estimation process
2017 149,830 0.51% estimation process
2018 150,650 0.54% estimation process
2019 151,391 0.49% estimation process
2020 152,622 0.81% estimation process

Comitatul Merrimack, Comte de Merrimack, Comté de Merrimack, Condado de Merrimack, Condado han Merrimack, Contea di Merrimack, Hrabstwo Merrimack, Merimak, Merimak srjan, Merrimac County, Merrimack, Merrimack County, Merrimack Kun, Merrimack Kūn, Merrimack konderria, Merrimack megye, Merrimacki maakond, Merrimak, Okrug Merimak, Quan Merrimack, Quận Merrimack, mai li ma ke xian, merimakku jun, myarimeka ka'unti, shhrstan mrymk nywhmpshayr, Меримак, Мерримак, Меррімак, Округ Меримак, Մերիմակ շրջան, شهرستان مریمک، نیوهمپشایر, میریمیک کاؤنٹی, میریمیک کاؤنٹی، نیو ہیمپشائر, ম্যারীমেক কাউন্টি, メリマック郡, 麥立馬克縣

Other places with the same name (1)

Merrimack County Populated Places (more)

Cities, Towns, Neighborhoods & Other Populated Places in Merrimack County.

City Name Population Title
Concord 43,924 Capital city of state of New Hampshire, United States; county seat of Merrimack County, New Hampshire
East Concord 42,605 City in Merrimack County, New Hampshire, United States of America
Hooksett 14,703 City in Merrimack County, New Hampshire, United States of America
Newmarket 9,207 Town in New Hampshire
Franklin 8,753 City in Merrimack County, New Hampshire, USA
Bow Bog 8,381 City in Merrimack County, New Hampshire, United States of America
Bow 8,063 Town in Merrimack County, New Hampshire, United States
Pembroke 7,252 Town in New Hampshire, United States
Hopkinton 5,827 Town in Merrimack County, New Hampshire
Loudon 5,697 Town of the United States
South Hooksett 5,418 Census-designated place in Merrimack County, New Hampshire
Suncook 5,379 Census-designated place in Merrimack County, New Hampshire
Henniker 5,006 Town in New Hampshire
Northfield 4,979 Town in Merrimack County, New Hampshire
Epsom 4,824 Epsom, New Hampshire
Allenstown 4,488 Town in New Hampshire

New Hampshire Other Counties (more counties)

County Name Population Title
Hillsborough County 418,735 The most populous county in the U.
Rockingham County 311,307 County in New Hampshire, United States
Strafford County 131,533 County in New Hampshire, United States
Manchester 112,546 City in Hillsborough County, New Hampshire, USA
City of Manchester 109,565 City in Hillsborough County, New Hampshire, USA
Grafton County 90,691 County in New Hampshire, United States
Nashua 89,167 City in New Hampshire
Cheshire County 76,228 County in New Hampshire, United States
Belknap County 61,551 County in New Hampshire, United States
Carroll County 49,167 County in New Hampshire, United States
Concord 43,924 Capital city of state of New Hampshire, United States; county seat of Merrimack County, New Hampshire
Sullivan County 43,267 County in New Hampshire, United States
East Concord 42,605 City in Merrimack County, New Hampshire, United States of America
Derry Village 34,539 City in Rockingham County, New Hampshire, United States of America
Derry 33,442 Town in New Hampshire, United States
Dover 32,443 County seat city in Strafford County, New Hampshire, United States