Plymouth, New Hampshire Population 2021

3,438
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Plymouth is a city located in Grafton County New Hampshire. Plymouth has a 2020 population of 3,438. Plymouth is currently declining at a rate of 0.00% annually and its population has decreased by -22.85% since the most recent census, which recorded a population of 4,456 in 2010. Plymouth reached it's highest population of in .

The average household income in Plymouth is $104,495 with a poverty rate of 8.14%. The median rental costs in recent years comes to $1,150 per month, and the median house value is $197,300. The median age in Plymouth is 20.7 years, 20.3 years for males, and 21.4 years for females.

Plymouth Demographics

According to the most recent ACS, the racial composition of Plymouthwas:

  • White: 86.45%
  • Asian: 7.36%
  • Black or African American: 3.08%
  • Two or more races: 2.97%
  • Other race: 0.15%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Plymouth, New Hampshire is 3,438 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 3,438.The last official US Census in 2010 recorded the population at 4,456.

Plymouth, New Hampshire Population 2021

Population by Race

Race Population Percentage
White2,97286.45%
Asian2537.36%
Black or African American1063.08%
Two or More Races1022.97%
Some Other Race50.15%
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Plymouth Population by Race

Plymouth Population Pyramid $2021

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Plymouth Median Age

20.7


Total

20.3


Male

21.4


Female

Plymouth Adults

There are 2,902 adults, (282 of whom are seniors) in Plymouth.

Plymouth Age Dependency

31.2

Age Dependency Ratio

10.8

Old Age Dependency Ratio

20.5

Child Dependency Ratio

Plymouth Sex Ratio

Female

1,574

45.78%

Male

1,864

54.22%

Plymouth Population by Age

Plymouth Renter vs Owner Occupied by Household Type

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Plymouth Household Types

Type Owner Renter
Male0%100%
Female21.3%78.7%
All74.6%25.4%
Non Family86.2%13.8%
Married93.2%6.8%

74.6%

Rate of Home Ownership

Plymouth Households and Families

Type Count Average Size Owned
All7552.7674.6
Married3953.5693.2
Non Family2031.886.2
Female941.921.3
Male632.050

3.02

Average Family Size

2.76

Average Household Size

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Plymouth Households by Type

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Education Attained Count Percentage
Less Than 9th Grade282.04%
9th to 12th Grade654.73%
High School Graduate31222.69%
Some College23917.38%
Associates Degree271.96%
Bachelors Degree33324.22%
Graduate Degree37126.98%
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Plymouth Educational Attainment by Sex (over 25)

Plymouth Educational Attainment by Race

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Race Total High School Bachelors
White1,2401,147599
Asian747474
Black535323
2+ Races888

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

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

Plymouth Educational Attainment by Race

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Name Average Male Female
Overall$47,965$48,663$
Less Than 9th Grade$$$
High School Graduate$$$
Some College$44,000$42,813$51,439
Bachelors Degree$$$
Graduate Degree$97,742$$

$47,965

Average Earnings

$48,663

Average Male

$

Average Female

Plymouth Earnings by Educational Attainment

Plymouth Language by Age

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Plymouth Language

91.59% of Plymouth residents speak only English, while 8.41% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 5.47% of the population.

Plymouth Language

Plymouth Poverty by Race

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8.14%

Overall Poverty Rate

15.46%

Male Poverty Rate

0.00%

Female Poverty Rate

Poverty in Plymouth

The race most likely to be in poverty in Plymouth is White, with 8.96% below the poverty level.

The race least likely to be in poverty in Plymouth is White, with 8.96% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 13.13%, and for those that did not work, the poverty rate was 8.37%.

Plymouth Poverty

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Name Poverty
High School20.19%
Bachelors or Greater0.00%
Some College0.00%
Less Than 9th Grade0.00%

Plymouth Poverty Rate by Education

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Rate Poverty
Female Unemployed0.00%
Female Employed0.00%
Male Unemployed0.00%
Male Employed9.22%

Plymouth Poverty Rate by Employment Status and Sex

Plymouth Income by Household Type

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Name Median Mean
Households$76,135$104,495
Families$76,513$112,177
Married Families$93,563-
Non Families-$81,597
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Income by Household Type

Plymouth Marital Status

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Marriage Rates

29.6%

Overall Marriage Rate

25.6%

Male Marriage Rate

34.3%

Female Marriage Rate

Plymouth Married by Age and Sex

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Plymouth Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Plymouth Marital Status by Race

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Plymouth Marital Status

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127

Number of Veterans

92

Male Veterans

35

Female Veterans

War Veterans
Second Gulf War63
First Gulf War45
World War II
Korea
Vietnam

Plymouth Veterans by War

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Age Group Veterans
18 to 3463
55 to 6429
75+19
35 to 5416
65 to 74

Plymouth Veterans by Age

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Plymouth Veterans by Race

Plymouth Veterans by Education

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49.61%

Veteran Poverty Rate

0.00%

Veteran Disability Rate

Plymouth Veterans by Education

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53.3%

Labor Force Participation

49.9%

Employment Rate

6.4%

Unemployment Rate

Plymouth Employment by Age

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Plymouth Employment by Race

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Plymouth 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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38.19%

Born in Plymouth

93.05%

Native Born

6.95%

Foreign Born

6.25%

Non Citizen

0.70%

Naturalized

Place of Birth

93.05% of Plymouth residents were born in the United States, with 38.19% having been born in New Hampshire. 6.25% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Plymouth Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
20213,4380.00%
20203,4380.00%
20193,4382758.69%
20183,163-705-18.23%
20173,868-14-0.36%
20163,882-31-0.79%
20153,9131062.78%
20143,807-104-2.66%
20133,911-8-0.20%
20123,919872.27%
20113,832-624-14.00%
20104,4560.00%

Plymouth Population by Year