CensusEasy
COUNTY · 2020 ACS

Merrimack County

New Hampshire · 153,808 residents · 932.899 sq mi
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The short version

Merrimack County is wealthier than most US places, with a median household income of $77,937. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $245,400.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 43.4
US median: 38.8
Average education
36% hold a bachelor's degree
US average: 33%
Less affordable
home values up 42%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
153,808
+13%since 2000
from 136,225 in 2000
1990 – 2025
Median age
43.4
+15%since 2000
from 37.7 in 2000
US average: 38.8
Population, 1990 – 2024
116K127K138K149K160K1990201020202024Merrimack County
2024156K
1990201020202024
Age distribution, 2020
Under 54.4%(6,727)
US avg: 5.6%
5 to 95%(7,746)
US avg: 6.1%
10 to 145.6%(8,686)
US avg: 6.5%
15 to 195.9%(9,146)
US avg: 6.6%
20 to 246.6%(10,228)
US avg: 6.7%
25 to 3412%(18,510)
US avg: 13.5%
35 to 4412%(18,517)
US avg: 12.7%
45 to 5413%(20,002)
US avg: 12.3%
55 to 6415.8%(24,362)
US avg: 13.1%
65 to 7411.9%(18,240)
US avg: 10%
75 to 845.4%(8,370)
US avg: 4.9%
85 and over2.1%(3,274)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$77,937
+7%inflation adjusted, since 2000
from $48,522 in 2000
US average: $66,278
1990 – 2024
Per capita income
$38,213
+65%since 2000
from $23,208 in 2000
US average: $35,364
Households earning $100K+
51.8%
+11.5 ptssince 2009
from 40.3% in 2009
US average: 43.9%
Poverty rate
6.6%
+0.7 ptssince 2000
from 5.9% in 2000
US average: 12.8%
Workforce by industry, 2020
Information11.5%
US avg: 11.1%
Retail trade9.5%
US avg: 10%
Wholesale trade7.2%
US avg: 6.7%
Other services6.2%
US avg: 6.6%
Public administration4.9%
US avg: 4.7%
Finance & insurance3.2%
US avg: 5.5%
Transportation & warehousing3.2%
US avg: 2.5%
Professional, scientific, technical2.6%
US avg: 4.7%
Arts, entertainment, food1.9%
US avg: 2%
Agriculture, forestry, fishing0.8%
US avg: 1.7%
Construction0.7%
US avg: 1.2%
Education & health services0.5%
US avg: 0.8%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$245,400
+42%inflation adjusted, since 2000
from $115,100 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,066
+16%inflation adjusted, since 2000
from $613 in 2000
US average: $1,124
Owner-occupied
71.6%
+2.1 ptssince 2000
from 69.5% in 2000
28.4% rent
Afford Score
3.1
−19%since 2009
from 3.9 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in Merrimack County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic96.4%(131,343)
Black0.5%(688)
Hispanic / Latino1%(1,362)
Asian0.9%(1,158)
Other0%
2020
White, non-Hispanic89.2%(137,252)
Black1.6%(2,536)
Hispanic / Latino2.5%(3,880)
Asian2%(3,013)
Other2.3%(3,527)
Segregation Score
28
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Puerto Rican0.8%(1,185)
Mexican0.4%(651)
Spaniard0.2%(270)
Cuban0.1%(189)
Dominican0.1%(182)
Uruguayan0.1%(121)
Nicaraguan0.1%(113)
Peruvian0.1%(109)
Salvadoran0.1%(99)
Honduran0%(64)
+ 7 more hispanic origin groups with data
Asian origin
Chinese0.5%(702)
Nepalese0.4%(617)
Asian Indian0.3%(458)
Filipino0.2%(301)
Vietnamese0.1%(222)
Korean0.1%(192)
Cambodian0.1%(143)
Japanese0.1%(99)
Taiwanese0.1%(80)
Bhutanese0%(38)
Laotian0%(29)
+ 4 more asian origin groups with data
Pakistani0%(26)
Burmese0%(15)
Thai0%(4)
Pacific Islander origin
Chamorro0%(20)
Samoan0%(4)
Ancestry
Irish18.5%(27,966)
English17.2%(25,917)
French13.4%(20,165)
German8.9%(13,375)
French Canadian8.7%(13,123)
Italian8.2%(12,448)
American4.9%(7,453)
Scottish4.1%(6,233)
Polish3.9%(5,840)
Swedish2.4%(3,548)
Scotch-Irish1.3%(1,955)
Canadian1.1%(1,634)
+ 43 more ancestry groups with data
Greek1.1%(1,604)
Dutch1%(1,472)
Welsh1%(1,446)
British0.9%(1,407)
Norwegian0.9%(1,372)
Portuguese0.9%(1,362)
Russian0.8%(1,245)
Lithuanian0.6%(935)
Ukrainian0.4%(652)
Lebanese0.4%(577)
Hungarian0.3%(506)
Danish0.3%(468)
Finnish0.3%(464)
Czech0.2%(307)
Austrian0.2%(290)
Swiss0.2%(278)
West Indian0.2%(262)
Serbian0.2%(252)
Belgian0.1%(201)
Armenian0.1%(193)
Croatian0.1%(173)
Slovak0.1%(161)
Ghanaian0.1%(153)
Romanian0.1%(136)
Jamaican0.1%(122)
Syrian0.1%(98)
Turkish0.1%(81)
Bulgarian0.1%(79)
Latvian0%(75)
Slovene0%(75)
Ethiopian0%(62)
Egyptian0%(46)
Brazilian0%(38)
Haitian0%(35)
Iranian0%(25)
Barbadian0%(22)
Kenyan0%(8)
RANKED:Largest Irish population · Largest English population · Largest French population · Largest German population · Largest French Canadian population
Section 05

Education

Bachelor's degree or higher
35.8%
+6.7 ptssince 2000
from 29.1% in 2000
US average: 32.9%
High school or higher
93.1%
+5.0 ptssince 2000
from 88.2% in 2000
US average: 88.5%
Graduate degree
15.5%
+5.1 ptssince 2000
from 10.3% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
27.1 min
+61%since 2000
from 16.8 min in 2000
US average: 26.9
Drive alone to work
80.6%
−0.6 ptssince 2009
from 81.2% in 2009
US average: 75.1%
No vehicle available
5.5%
+0.5 ptssince 2009
from 5.0% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
3.5%
−2.4 ptssince 2011
from 5.8% in 2011
US average: 5.4%
Labor force participation
65.6%
−3.4 ptssince 2011
from 68.9% in 2011
US average: 63.4%
Management & professional
41.1%
−24.4 ptssince 2009
from 65.5% in 2009
US average: 39.3%
Section 08

People & community

Male
49.2%
−0.4 ptssince 2009
from 49.5% in 2009
Female
50.8%
+0.4 ptssince 2009
from 50.5% in 2009
Foreign born
5.4%
+1.9 ptssince 2009
from 3.5% in 2009
US average: 13.5%
Uninsured
5.8%
−84.4 ptssince 2013
from 90.2% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married33.2%(21,848)
Married52.2%(34,425)
Widowed2.8%(1,869)
Divorced11.8%(7,751)
Women 15+
Never married26%(17,358)
Married52.6%(35,196)
Widowed7.7%(5,120)
Divorced13.8%(9,209)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to Merrimack County

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Pop 160,592
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Pop 160,240
Columbia County
Pop 169,189
Boone County
Pop 145,316
Places similar to Merrimack County
Head to head

Compare Merrimack County to nearby counties

MERRIMACK COUNTY VS
Belknap County
Income$92,783+19%
Home value$374,900+53%
Population65,147−59%
SEE FULL COMPARISON →
MERRIMACK COUNTY VS
Hillsborough County
Income$103,545+33%
Home value$421,100+72%
Population433,415+174%
SEE FULL COMPARISON →
MERRIMACK COUNTY VS
Sullivan County
Income$80,858+4%
Home value$268,700+9%
Population43,961−72%
SEE FULL COMPARISON →
MERRIMACK COUNTY VS
Strafford County
Income$88,570+14%
Home value$362,800+48%
Population135,043−15%
SEE FULL COMPARISON →
Frequently asked

How many people live in Merrimack County, New Hampshire?

Merrimack County, New Hampshire has about 153,808 residents according to the 2020 American Community Survey.

What is the median household income in Merrimack County, New Hampshire?

The typical household in Merrimack County, New Hampshire earns about $77,937 a year. Half of households make more than that, and half make less.

Is Merrimack County, New Hampshire expensive?

In Merrimack County, New Hampshire, the median home is worth about $245,400, and the typical rent is about $1,066 a month.

How educated are people in Merrimack County, New Hampshire?

About 35.8% of adults age 25 and over in Merrimack County, New Hampshire hold a bachelor's degree or higher.

What is the poverty rate in Merrimack County, New Hampshire?

About 6.6% of people in Merrimack County, New Hampshire live below the federal poverty line.

Has Merrimack County, New Hampshire grown since 1990?

Yes, Merrimack County, New Hampshire has grown since 1990. The population has added about 33,803 residents, a change of about 28 percent over that period.

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Explore from here

39 census tracts (top 20 by population)
Census Tract 442Census Tract 400Census Tract 390Census Tract 360Census Tract 328Census Tract 32.01Census Tract 385Census Tract 443Census Tract 440Census Tract 340Census Tract 31Census Tract 30.01Census Tract 430.02Census Tract 329Census Tract 310.01Census Tract 430.01Census Tract 405.02Census Tract 350Census Tract 380Census Tract 310.02
28 ZIP codes
ZIP 03301ZIP 03303ZIP 03106ZIP 03275ZIP 03276ZIP 03235ZIP 03304ZIP 03242ZIP 03229ZIP 03307ZIP 03234ZIP 03257ZIP 03263ZIP 03046ZIP 03278ZIP 03258ZIP 03224ZIP 03221ZIP 03216ZIP 03255ZIP 03287ZIP 03268ZIP 03230ZIP 03260ZIP 03243ZIP 03273ZIP 03233ZIP 03231
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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