New Plymouth, Idaho Population 2020

1,531
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New Plymouth is a city located in Idaho. With a 2020 population of 1,531, it is the 70th largest city in Idaho and the 8639th largest city in the United States. New Plymouth is currently growing at a rate of 0.39% annually but its population has decreased by -0.46% since the most recent census, which recorded a population of 1,538 in 2010. Spanning over 1 miles, New Plymouth has a population density of 2,227 people per square mile.

The average household income in New Plymouth is $55,871 with a poverty rate of 19.72%. The median rental costs in recent years comes to $673 per month, and the median house value is $102,200. The median age in New Plymouth is 35.5 years, 31.6 years for males, and 41.1 years for females. For every 100 females there are 104.3 males.

New Plymouth Demographics

According to the most recent ACS, the racial composition of New Plymouth was:

  • White: 93.56%
  • Two or more races: 3.92%
  • Asian: 1.26%
  • Native American: 1.13%
  • Other race: 0.13%
  • Black or African American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of New Plymouth, Idaho is 1,531, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 1,519.The last official US Census in 2010 recorded the population at 1,538.

New Plymouth, Idaho Population 2020

Population by Race

Race Population Percentage
White1,40993.56%
Two or More Races593.92%
Asian191.26%
American Indian and Alaska Native171.13%
Some Other Race20.13%
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New Plymouth Population Pyramid 2020

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New Plymouth Median Age

35.5


Total

31.6


Male

41.1


Female

New Plymouth Adults

There are 1,089 adults, (261 of whom are seniors) in New Plymouth.

New Plymouth Age Dependency

81.9

Age Dependency Ratio

31.5

Old Age Dependency Ratio

50.4

Child Dependency Ratio

New Plymouth Sex Ratio

Female

737

48.94%

Male

769

51.06%

New Plymouth Households and Families

New Plymouth Renter vs Owner Occupied by Household Type

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New Plymouth Household Types

Type Owner Renter
Married83.1%16.9%
Male78.1%21.9%
All70.3%29.7%
Non Family69.1%30.9%
Female37.3%62.7%

70.3%

Rate of Home Ownership

Type Count Average Size Owned
All5832.5870.3
Married2613.4683.1
Non Family1881.2169.1
Female1022.9337.3
Male322.3478.1

3.12

Average Family Size

2.58

Average Household Size

2.2%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

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New Plymouth Education

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Education Attained Count Percentage
Less Than 9th Grade232.32%
9th to 12th Grade12112.22%
High School Graduate31732.02%
Some College30230.51%
Associates Degree11011.11%
Bachelors Degree757.58%
Graduate Degree424.24%
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New Plymouth Educational Attainment by Race

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Name Total High School Bachelors
White859752106
Hispanic8960
Multiple Races21217
Native American179
Asian17174
Other Race2

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

The highest rate of bachelors degrees is among multiple races people with a rate of 33.33%.

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Name Average Male Female
Overall$24,592$30,179$21,310
Less Than High School$30,750$39,375$
High School Grad$18,417$23,125$16,042
Some College$25,714$30,461$23,594
Bachelors Degree$$$31,111
Graduate Degree$$$

$24,592

Average Earnings

$30,179

Average Male

$21,310

Average Female

New Plymouth Language

New Plymouth Language by Age

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New Plymouth Language

87.91% of New Plymouth residents speak only English, while 12.09% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.64% of the population.

New Plymouth Poverty

New Plymouth Poverty by Race

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Name Total In Poverty Poverty Rate
White1,24624819.90%
Multiple593966.10%
Hispanic1962814.29%
Asian191052.63%

19.72%

Overall Poverty Rate

17.17%

Male Poverty Rate

22.39%

Female Poverty Rate

Poverty in New Plymouth

The race most likely to be in poverty in New Plymouth is Multiple, with 66.10% below the poverty level.

The race least likely to be in poverty in New Plymouth is Hispanic, with 14.29% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 7.33%. Among those working part-time, it was 11.75%, and for those that did not work, the poverty rate was 24.28%.

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Name Poverty
High School17.03%
Some College14.81%
Bachelors or Greater14.53%
Less Than High School7.64%
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Name Poverty
Male Unemployed29.17%
Male Employed9.39%
Female Employed8.96%
Female Unemployed0.00%

New Plymouth Income

New Plymouth Income by Household Type

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Name Median Mean
Households$35,240$55,871
Families$45,038$67,711
Married Families$47,337-
Non Families$24,224$28,832
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New Plymouth Marital Status

New Plymouth Marital Status

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Marriage Rates

48.6%

Overall Marriage Rate

50.5%

Male Marriage Rate

46.8%

Female Marriage Rate

New Plymouth Married by Age and Sex

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New Plymouth 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 35-44.

New Plymouth Marital Status by Race

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New Plymouth Veterans

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67

Number of Veterans

67

Male Veterans

Female Veterans

War Veterans
Vietnam24
Second Gulf War10
Korea6
First Gulf War2
World War II
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Age Group Veterans
75+29
65 to 7423
35 to 5412
55 to 643
18 to 34
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New Plymouth Veterans by Education

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10.45%

Veteran Poverty Rate

44.78%

Veteran Disability Rate

New Plymouth Employment Status

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56.5%

Labor Force Participation

52.9%

Employment Rate

6.3%

Unemployment Rate

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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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35.19%

Born in Idaho

95.29%

Native Born

4.71%

Foreign Born

3.19%

Non Citizen

1.53%

Naturalized

Place of Birth

95.29% of New Plymouth residents were born in the United States, with 35.19% having been born in Idaho. 3.19% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
20201,53160.39%
20191,52560.39%
20181,519120.80%
20171,50760.40%
20161,501221.49%
20151,479-7-0.47%
20141,486-6-0.40%
20131,492-17-1.13%
20121,50940.27%
20111,505-13-0.86%
20101,5180.00%