Merrimack County, New Hampshire Population 2022

Merrimack County, New Hampshire's estimated population is 155,280 with a growth rate of 0.48% in the past year according to the most recent United States census data. Merrimack County, New Hampshire is the 3rd largest county in New Hampshire. The 2010 Population was 146,445 and has seen a growth of 6.03% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
183034,6140.00%
184036,2531,6394.74%
185040,3374,08411.27%
186041,4081,0712.66%
187042,1517431.79%
188046,3004,1499.84%
189049,4353,1356.77%
190052,4302,9956.06%
191053,3359051.73%
192051,770-1,565-2.93%
193056,1524,3828.46%
194060,7104,5588.12%
195063,0222,3123.81%
196067,7854,7637.56%
197080,92513,14019.38%
198098,30217,37721.47%
1990120,00521,70322.08%
2010146,44526,44022.03%
2011147,1817360.50%
2012147,9177360.50%
2013148,6537360.50%
2014149,3897360.50%
2015150,1257360.49%
2016150,8617360.49%
2017151,5977360.49%
2018152,3337360.49%
2019153,0697360.48%
2020153,8087390.48%
2021154,5447360.48%
2022155,2807360.48%
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Merrimack County, New Hampshire Population Growth

Population by Race

Race Population Percentage
White140,88793.36%
Black or African American2,2741.51%
American Indian and Alaska Native5210.35%
Asian3,1222.07%
Native Hawaiian and Other Pacific Islander90.01%
Some Other Race4880.32%
Two or More Races3,6012.39%
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Merrimack County, New Hampshire Population by Race

Merrimack County, New Hampshire Population Pyramid 2022

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Merrimack County, New Hampshire Median Age

43.1


Total

41.5


Male

44.4


Female

Merrimack County, New Hampshire Adults

There are 122,026 adults, (27,616 of whom are seniors) in Merrimack County, New Hampshire.

Merrimack County, New Hampshire Age Dependency

Age Dependency Ratio

29.3

Old Age Dependency Ratio

30.6

Child Dependency Ratio

Merrimack County, New Hampshire Sex Ratio

Female

76,712

50.84%

Male

74,190

49.16%

Merrimack County, New Hampshire Population by Age

Merrimack County, New Hampshire Renter vs Owner Occupied by Household Type

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Merrimack County, New Hampshire Household Types

Type Owner Renter
Married87%13%
All72.5%27.5%
Male71.9%28.1%
Female56.6%43.4%
Non Family52.1%47.9%

72.5%

Rate of Home Ownership

Merrimack County, New Hampshire Households and Families

Type Count Average Size Owned
All59,2092.4372.5
Married32,5802.9887
Male2,6333.171.9
Female4,6382.9756.6
Non Family19,3581.352.1

2.89

Average Family Size

2.43

Average Household Size

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Merrimack County, New Hampshire Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,4642.28%
9th to 12th Grade4,9604.59%
High School Graduate30,71928.45%
Some College18,83817.45%
Associates Degree12,35511.44%
Bachelors Degree21,92420.31%
Graduate Degree16,70915.48%
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Merrimack County, New Hampshire Educational Attainment by Sex (over 25)

Merrimack County, New Hampshire Educational Attainment by Race

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Race Total High School Bachelors
Asian1,8511,7341,153
White101,24794,67036,034
Hispanic1,8191,612615
Other Race359221114
2+ Races1,9241,773579
Native American384265104
Black1,027859239
Islander99

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 62.29%.

Merrimack County, New Hampshire Educational Attainment by Race

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Name Average Male Female
Overall$46,412$53,127$39,633
Less Than 9th Grade$30,640$34,736$22,419
High School Graduate$40,195$47,711$30,294
Some College$42,693$52,424$35,945
Bachelors Degree$52,126$63,980$44,300
Graduate Degree$70,909$82,270$63,709

$46,412

Average Earnings

$53,127

Average Male

$39,633

Average Female

Merrimack County, New Hampshire Earnings by Educational Attainment

Merrimack County, New Hampshire Language by Age

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Merrimack County, New Hampshire Language

93.96% of Merrimack County, New Hampshire residents speak only English, while 6.04% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3.45% of the population.

Merrimack County, New Hampshire Language

Merrimack County, New Hampshire Poverty by Race

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Name Total In Poverty Poverty Rate
Native4797716.08%
Asian3,00139413.13%
Black1,81221311.75%
Hispanic2,84232111.29%
White133,3158,2576.19%
OtherNaN%
Multiple3,27838211.65%

6.61%

Overall Poverty Rate

5.94%

Male Poverty Rate

7.26%

Female Poverty Rate

Poverty in Merrimack County, New Hampshire

The race most likely to be in poverty in Merrimack County, New Hampshire is Native, with 16.08% below the poverty level.

The race least likely to be in poverty in Merrimack County, New Hampshire is Multiple, with 11.65% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.42%. Among those working part-time, it was 9.85%, and for those that did not work, the poverty rate was 14.30%.

Merrimack County, New Hampshire Poverty

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Name Poverty
Less Than 9th Grade15.85%
High School7.92%
Some College4.76%
Bachelors or Greater3.02%

Merrimack County, New Hampshire Poverty Rate by Education

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Rate Poverty
Male Employed2.16%
Male Unemployed18.66%
Female Employed3.70%
Female Unemployed14.48%

Merrimack County, New Hampshire Poverty Rate by Employment Status and Sex

Merrimack County, New Hampshire Income by Household Type

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Name Median Mean
Households$77,937$97,320
Families$95,270$115,751
Married Families$104,214$124,685
Non Families$40,835$53,606
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Income by Household Type

Merrimack County, New Hampshire Marital Status

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Marriage Rates

53.9%

Overall Marriage Rate

53.6%

Male Marriage Rate

54.1%

Female Marriage Rate

Merrimack County, New Hampshire Married by Age and Sex

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Merrimack County, New Hampshire Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Merrimack County, New Hampshire Marital Status by Race

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Merrimack County, New Hampshire Marital Status

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10,360

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War1,475
First Gulf War2,108
Vietnam3,560
Korea892
World War II319

Merrimack County, New Hampshire Veterans by War

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Age Group Veterans
18 to 34674
35 to 542,548
55 to 642,048
65 to 742,614
75+2,476

Merrimack County, New Hampshire Veterans by Age

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Name Veterans % of Total
White10,2178.90%
Black301.89%
Native American358.12%
Asian230.95%
2+ Races552.41%
Hispanic1636.86%

Merrimack County, New Hampshire Veterans by Race

Merrimack County, New Hampshire Veterans by Education

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3.84%

Veteran Poverty Rate

27.22%

Veteran Disability Rate

Merrimack County, New Hampshire Veterans by Education

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65.6%

Labor Force Participation

63.2%

Employment Rate

3.5%

Unemployment Rate

Merrimack County, New Hampshire Employment by Age

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Merrimack County, New Hampshire Employment by Race

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Merrimack County, New Hampshire Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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52.92%

Born in Merrimack County, New Hampshire

94.64%

Native Born

5.36%

Foreign Born

2.11%

Non Citizen

3.25%

Naturalized

Place of Birth

94.64% of Merrimack County, New Hampshire residents were born in the United States, with 52.92% having been born in New Hampshire. 2.11% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Merrimack County, New Hampshire Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources