What is the population of Merrimack?

The population of Merrimack, NH is 27,452.

Where is Merrimack located?

Merrimack, NH is located at latitude 42.8650900 and longitude -71.4934000. It is in United States.

What is the elevation of Merrimack?

Merrimack, NH has an elevation of 47 meters (154 feet) above sea level.

What time zone is Merrimack in?

Merrimack, NH is in the America/New_York time zone.

What state is Merrimack in?

Merrimack is in the state of New Hampshire, United States.

What county is Merrimack, NH in?

Merrimack is in Hillsborough County, New Hampshire.

How has the population of Merrimack changed?

The population of Merrimack, NH has increased from 25,494 (2010) to 27,452 (2020), a change of 7.7%.

Merrimack, New Hampshire

Merrimack: river in New Hampshire and Massachusetts, United States

About

Merrimack is a city located in the county of Hillsborough in the U.S. state of New Hampshire. Its population at the 2010 census was 25,494. After 10 years in 2020 city had an estimated population of 27,452 inhabitants.

Quick Facts about Merrimack

Population	27,452 (2020)
Country	United States of America
State	New Hampshire (United States)
County	Hillsborough County
Latitude & Longitude	42.8651,-71.4934
Altitude	157 feet / 48 meters
Time Zone	America/New_York
Local time	20:59:06 (22nd April 2026)
Postal code	03054
Population growth	7.13% (2010-2020)
Weather	50℉ Slight Chance Rain Showers 7-days weather

MerrimackPembroke image

Geography

Merrimack is located at 42°51'54"N 71°29'36"W (42.8650900, -71.4934000).

Merrimack map

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Weather

50°F

Slight Chance Rain Showers

0 to 5 mph S Wednesday

A slight chance of rain showers before 2pm. Mostly cloudy, with a high near 50.

7-Day Forecast

Demographics

The population of Merrimack increased by 7.13% in 10 years.

Year	Population	% Change	Method
2010	25,494	-	census
2011	25,560	0.26%	estimation process
2012	25,589	0.11%	estimation process
2013	25,636	0.18%	estimation process
2014	25,702	0.26%	estimation process
2015	25,735	0.13%	estimation process
2016	25,814	0.31%	estimation process
2017	25,898	0.32%	estimation process
2018	25,973	0.29%	estimation process
2019	26,490	1.95%	estimation process
2020	27,452	3.5%	estimation process

Merrimack zip code is 03054. County name: Hillsborough, County fips: 33011

East Merrimack, Merrimac, Merrimak, Souhegan East, merimakku, myrymak, Мерримак, ميريماك, میریمیک، نیو ہیمپشائر, メリマック

Best Things to Do in Merrimack

1Twin Bridge Park

Rating: 4.7 (523)

485 Daniel Webster Hwy, Merrimack, NH 03054, United States View details

Phone: +16038821046 | Website available

2Wildcat Falls Conservation Area

Rating: 4.6 (362)

35 Currier Rd, Merrimack, NH 03054, United States View details

Phone: +16038821046 | Website available

3Altitude Trampoline Park - Merrimack

Rating: 4.1 (263)

360 Daniel Webster Hwy, Merrimack, NH 03054, United States View details

Phone: +16032613673 | Website available

4Horse Hill Nature Preserve

Rating: 4.6 (258)

184 Amherst Rd, Merrimack, NH 03054, United States View details

Website available

5Wasserman Park

Rating: 4.5 (228)

116 Naticook Rd, Merrimack, NH 03054, United States View details

Phone: +16038821046 | Website available

Nearby Schools and Colleges

Schools and campuses linked to Merrimack, NH. Select a name to open its map and contact details.

Code	Name	City	ZIP
183275	Thomas More College of Liberal Arts	Merrimack (NH)	03054
490382	Harmony Health Care Institute	Merrimack (NH)	03054-0000
183141	Nashua Community College	Nashua (NH)	03063-1026
182953	Michaels School of Hair Design and Esthetics-Paul Mitchell Partner School	Bedford (NH)	03110
182652	Continental Academie of Hair Design-Hudson	Hudson (NH)	03051

Nearby Transit Stations (32)

Rail and bus stations connected to Merrimack, NH. Select a station to open its map and address details.

Code	Name	Address	Type
NSH	Nashua, NH	8 North Southwood Drive	BUS
MHT	Manchester, New Hampshire	119 Canal St.	BUS
HHL	Haverhill station	Washington Street at Railroad Square	RAIL
CNH	Concord, New Hampshire	30 Stickney Ave.	BUS
EXR	Exeter station	60 Lincoln Street	RAIL

Nearby Post Offices

Closest post offices linked to Merrimack.

Post Office Name	City	ZIP
Merrimack Post Office	Merrimack (NH)	03054
Amher Post Office	Amherst (NH)	03031
Manchester Post Office	Manchester (NH)	03103
Manchester South Post Office	Manchester (NH)	03103
Bedford Post Office	Bedford (NH)	03110

Other cities in Hillsborough County

Cities, towns, neighborhoods & other populated places in Hillsborough County , NH. (more)

City Name	Population	Title
Manchester	112,546	The most populous city in Hillsborough County, New Hampshire.
Nashua	89,167	The most populous city in Hillsborough County, New Hampshire.
Hudson	25,620	Town in New Hampshire
Bedford	22,957	City in New Hampshire, USA
Goffstown	18,136	Town in New Hampshire, United States
Milford	16,515	Town in Hillsborough County, New Hampshire, United States
Pelham	14,306	City in Hillsborough County, New Hampshire, United States of America
Amherst	11,418	Town in Hillsborough County, New Hampshire, United States
Weare	9,100	Town in New Hampshire, United States
Litchfield	8,658	Town in Connecticut, United States
Hollis	8,123	Town in Oklahoma
Peterborough	6,743	Town in Hillsborough County, New Hampshire, United States of America
New Boston	5,941	City in Texas, United States
Brookline	5,495	Town in Hillsborough County, New Hampshire, United States
New Ipswich	5,429	Town in New Hampshire
Pinardville	4,780	Census-designated place in Hillsborough County, New Hampshire

Distance to Other Cities

Merrimack distances to largest New Hampshire cities