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COUNTY · 2010 ACS

Merrimack County

New Hampshire · 146,445 residents · 933 sq mi
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The short version

Merrimack County is home to 146,445 people in New Hampshire. At a median age of 41.4, this is an older place than the country as a whole. The foreign-born share is 4%. The poverty rate is 8.1%, under the national 13.8%. 71% of homes are owner-occupied. 33% of adults hold a bachelor's degree or higher.

At a glance
Wealthier
above the US median
US median: $52,703
Older
median age 41.4
US median: 37.2
More educated
33% hold a bachelor's degree
US average: 28%
Less affordable
home values up 67%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
146,445
+8%since 2000
from 136,225 in 2000
1990 – 2025
Median age
41.4
+10%since 2000
from 37.7 in 2000
US average: 37.2
Land area
933 sq mi
Population, 1990 – 2024
116K127K138K149K160K19902000201020202024Merrimack County
2024156K
1990201020202024
Age distribution, 2010
Under 55.2%(7,562)
US avg: 6.5%
5 to 95.9%(8,601)
US avg: 6.6%
10 to 146.5%(9,446)
US avg: 6.7%
15 to 197.3%(10,630)
US avg: 7.1%
20 to 246%(8,762)
US avg: 7%
25 to 3411%(16,161)
US avg: 13.3%
35 to 4413.5%(19,841)
US avg: 13.3%
45 to 5417.3%(25,270)
US avg: 14.6%
55 to 6413.8%(20,164)
US avg: 11.8%
65 to 747.1%(10,467)
US avg: 7%
75 to 844.4%(6,400)
US avg: 4.2%
85 and over2.1%(3,141)
US avg: 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$63,012
+3%inflation adjusted, since 2000
from $48,522 in 2000
US average: $52,703
1990 – 2024
Per capita income
$30,544
+32%since 2000
from $23,208 in 2000
US average: $27,286
Households earning $100K+
40.7%
+0.5 ptssince 2009
from 40.3% in 2009
US average: 33.3%
Poverty rate
8.1%
+2.1 ptssince 2000
from 5.9% in 2000
US average: 13.8%
Income inequality (Gini)
0.417
US average: 0.461
Workforce by industry, 2010
Information12.6%
US avg: 11.5%
Retail trade11.1%
US avg: 10.9%
Wholesale trade7.8%
US avg: 7.2%
Other services6.8%
US avg: 7%
Public administration5%
US avg: 4.9%
Finance & insurance3.5%
US avg: 5.1%
Transportation & warehousing3.2%
US avg: 3.1%
Professional, scientific, technical2.5%
US avg: 4.2%
Arts, entertainment, food2%
US avg: 2.4%
Agriculture, forestry, fishing1.2%
US avg: 1.9%
Construction1%
US avg: 1.4%
Education & health services0.9%
US avg: 0.9%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$243,600
+67%inflation adjusted, since 2000
from $115,100 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$902
+16%inflation adjusted, since 2000
from $613 in 2000
US average: $853
Owner-occupied
71.3%
+1.8 ptssince 2000
from 69.5% in 2000
28.7% rent
Vacancy rate
9.4%
Unchangedsince 2009
from 9.4% in 2009
US average: 12.1%
Persons per household
2.46 people
−3%since 2009
from 2.53 people in 2009
US average: 2.60
Owner cost-burdened
36.1%
−0.4 ptssince 2009
from 36.5% in 2009
US average: 30.9%
Renter cost-burdened
47.3%
+2.8 ptssince 2009
from 44.5% in 2009
US average: 46.8%
Afford Score
3.9
−1%since 2009
from 3.9 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic96.4%(131,343)
Black0.5%(688)
Hispanic / Latino1%(1,362)
Asian0.9%(1,158)
Other0%
2010
White, non-Hispanic94.3%(138,048)
Black1%(1,452)
Hispanic / Latino1.6%(2,339)
Asian1.6%(2,307)
Other1.4%(2,110)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Puerto Rican0.6%(872)
Mexican0.4%(639)
Spaniard0.1%(150)
Dominican0.1%(132)
Colombian0.1%(88)
Cuban0%(67)
+ 4 more hispanic origin groups with data
Chilean0%(13)
Honduran0%(12)
Ancestry
English20.5%(30,070)
Irish20.4%(29,966)
French16.8%(24,708)
German10.1%(14,836)
French Canadian9.7%(14,181)
Italian9.7%(14,173)
Scottish5.2%(7,622)
American4.9%(7,213)
Polish3.9%(5,789)
Scotch-Irish3%(4,372)
Swedish2.3%(3,388)
Greek1.3%(1,877)
+ 40 more ancestry groups with data
Canadian1.2%(1,744)
Portuguese1.1%(1,619)
Dutch0.9%(1,369)
Welsh0.9%(1,286)
Norwegian0.9%(1,284)
British0.8%(1,237)
Russian0.8%(1,186)
Arab0.4%(647)
Finnish0.4%(606)
Lithuanian0.4%(542)
West Indian0.4%(517)
Hungarian0.3%(459)
Danish0.3%(449)
Ukrainian0.3%(382)
Haitian0.3%(378)
Lebanese0.3%(375)
Czech0.2%(358)
Swiss0.2%(321)
Armenian0.2%(305)
Austrian0.2%(282)
Romanian0.2%(228)
Slovak0.1%(157)
Croatian0.1%(121)
Syrian0.1%(120)
Belgian0.1%(119)
Latvian0.1%(116)
Serbian0.1%(110)
Ghanaian0.1%(103)
Jamaican0.1%(74)
Turkish0%(51)
Iranian0%(49)
Barbadian0%(48)
Nigerian0%(37)
Brazilian0%(31)
Egyptian0%(14)
Slovene0%(11)
Section 05

Education

Bachelor's degree or higher
32.7%
+3.6 ptssince 2000
from 29.1% in 2000
US average: 27.9%
High school or higher
91.3%
+3.2 ptssince 2000
from 88.2% in 2000
US average: 84.9%
Graduate degree
12.7%
+2.4 ptssince 2000
from 10.3% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
25.2 min
+50%since 2000
from 16.8 min in 2000
US average: 25.2
Drive alone to work
81.1%
−0.1 ptssince 2009
from 81.2% in 2009
US average: 76.2%
Carpooled to work
8.3%
−0.2 ptssince 2009
from 8.5% in 2009
US average: 10.4%
Public transit
0.3%
−0.1 ptssince 2009
from 0.4% in 2009
US average: 4.7%
Worked from home
5.4%
+0.3 ptssince 2009
from 5.1% in 2009
US average: 4.1%
Walked to work
3.4%
−0.1 ptssince 2009
from 3.5% in 2009
US average: 2.8%
Biked to work
0.3%
Unchangedsince 2009
from 0.2% in 2009
US average: 0.5%
No vehicle available
5.3%
+0.3 ptssince 2009
from 5.0% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
16.1%
+0.3 ptssince 2009
from 15.8% in 2009
US average: 12.9%
Management & professional
40.1%
+1.7 ptssince 2009
from 38.5% in 2009
US average: 35.2%
Section 08

People & community

Male
49.3%
−0.3 ptssince 2009
from 49.5% in 2009
Female
50.7%
+0.3 ptssince 2009
from 50.5% in 2009
Foreign born
3.5%
Unchangedsince 2009
from 3.5% in 2009
US average: 12.8%
Veterans
12.5%
−0.2 ptssince 2009
from 12.8% in 2009
US average: 9.9%
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
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
5.1%
−4.7 ptssince 2013
from 9.8% in 2013
US average: 8.4%
Employer-based
63.5%
−2.4 ptssince 2020
from 65.9% in 2020
US average: 54.8%
Direct-purchase
14.1%
+1.3 ptssince 2020
from 12.8% in 2020
US average: 13.8%
Medicare
21.6%
+1.1 ptssince 2020
from 20.5% in 2020
US average: 18.4%
Medicaid
14.1%
+1.3 ptssince 2020
from 12.8% in 2020
US average: 20.9%
VA health care
2.7%
+0.3 ptssince 2020
from 2.4% in 2020
US average: 2.2%
Any private
75.6%
−1.2 ptssince 2020
from 76.8% in 2020
US average: 67.1%
Any public
34.3%
+2.4 ptssince 2020
from 31.9% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)22.1%(2,277)
US avg: 26.4%
Gulf War (1990s)19.7%(2,028)
US avg: 24.3%
Vietnam era35.7%(3,671)
US avg: 33.1%
Korean War4.1%(418)
US avg: 4.5%
World War II0.7%(76)
US avg: 1%

Share of the 10,295 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Head to head

Compare Merrimack County to nearby counties

MERRIMACK COUNTY VS
Belknap County
Income$92,783+47%
Home value$374,900+54%
Population65,147−59%
SEE FULL COMPARISON →
MERRIMACK COUNTY VS
Hillsborough County
Income$103,545+64%
Home value$421,100+73%
Population433,415+174%
SEE FULL COMPARISON →
MERRIMACK COUNTY VS
Sullivan County
Income$80,858+28%
Home value$268,700+10%
Population43,961−72%
SEE FULL COMPARISON →
MERRIMACK COUNTY VS
Strafford County
Income$88,570+41%
Home value$362,800+49%
Population135,043−15%
SEE FULL COMPARISON →
Frequently asked

How many people live in Merrimack County, New Hampshire?

Merrimack County, New Hampshire has about 146,445 residents according to the 2010 American Community Survey.

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

The typical household in Merrimack County, New Hampshire earns about $63,012 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 $243,600, and the typical rent is about $902 a month.

How educated are people in Merrimack County, New Hampshire?

About 32.7% 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 8.1% 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 26,440 residents, a change of about 22 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →