New Plymouth Flag

New Plymouth

County:
Payette County
County Seat:
No
Area (mi²):
0.688
State:
Idaho

New Plymouth is a city located in Payette County, Idaho. New Plymouth has a 2026 population of 1,654. New Plymouth is currently growing at a rate of 1.41% annually and its population has increased by 9.17% since the most recent census, which recorded a population of 1,515 in 2020.

The median household income in New Plymouth is $65,375 with a poverty rate of 9.43%. The median age in New Plymouth is 32.7 years: 30.7 years for males, and 40.3 years for females. For every 100 females there are 84.0 males.

1.7K
Total Population
2,406
Density (mi²)
23 1.41%
Growth

New Plymouth Population

New Plymouth Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,654231.41%
20251,631231.43%
20241,608442.81%
20231,564221.43%
20221,54260.39%
20211,536211.39%
20201,515151%
20191,557452.98%
20181,512151%
20171,49750.34%
20161,492211.43%
20151,471-7-0.47%
20141,478-6-0.4%
20131,484-14-0.93%
20121,49840.27%
20111,494-44-2.86%
20101,50600%

Median Age

Overall: 32.7 years
Female: 40.3 years
Male: 30.7 years

New Plymouth Adults

There are 1,316 adults, (321 of whom are seniors) in New Plymouth.

Sex Ratio

Female: 975 (54.3%)
Male: 819 (45.7%)

Demographics

The racial composition of New Plymouth includes 85.23% White, and smaller percentages for other race, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,52985.23%
Two or more races21812.15%
Other race291.62%
Asian160.89%
Native American20.11%
Race
Population ↓
Percentage (of total)
White1558.64%
Two or more races1236.86%
Race
Population ↓
Percentage (of total)
White1,37476.59%
Two or more races955.3%
Other race291.62%
Asian160.89%
Native American20.11%

New Plymouth Marital Status

Economics and Income Statistics

New Plymouth 's average per capita income is $39,241. Household income levels show a median of $65,375. The poverty rate stands at 9.43%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$86,667-
Families$82,391$80,680
Households$65,375$68,873
Non Families$26,397$40,470

$39,241

Average Income

$65,375

Median Household Income

9.43%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)