Population 4,836 · Census ACS 2020–24
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Population and households in New Plymouth
Household size in New Plymouth
| Period | New Plymouth | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.91 | 2.75 | 2.72 | 2.68 |
| 2010–14 | 2.86 | 2.79 | 2.78 | 2.73 |
| 2015–19 | 2.88 | 2.75 | 2.76 | 2.71 |
| 2020–24 | 2.58 | 2.71 | 2.79 | 2.65 |
| Change | −0.33 | −0.05 | +0.07 | −0.03 |
Households in New Plymouth average 2.58 people, about the same as the country as a whole (2.65). The typical household here is smaller than in the wider Boise area, where it has 2.71 people. Since 2006–10, household size has dropped from 2.91, but in a place this small, survey estimates can swing a lot from one release to the next.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in New Plymouth
| Period | New Plymouth | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 38.1 | 34.6 | 35.5 | 37.7 |
| 2010–14 | 37.4 | 35.8 | 36.6 | 38.6 |
| 2015–19 | 39.2 | 37.2 | 37.6 | 39.6 |
| 2020–24 | 41.5 | 38.4 | 38.2 | 40.1 |
| Change | +3.4 | +3.8 | +2.7 | +2.3 |
Half of the people in New Plymouth are younger than 41.5 and half are older, close to the national median of 40.1. The population here is older than in the Boise area overall, where the median age is 38.4.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in New Plymouth
| Period | New Plymouth | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.4% | 10.5% | 10.0% | 12.3% |
| 2010–14 | 8.2% | 10.4% | 10.2% | 12.3% |
| 2015–19 | 10.9% | 9.5% | 9.3% | 11.6% |
| 2020–24 | 9.1% | 9.3% | 9.3% | 11.6% |
| Change | +4.7 pts | −1.2 pts | −0.7 pts | −0.6 pts |
Single-parent households are less common in New Plymouth than nationally: 9.1%, against 11.6%. That is in line with the rest of the Boise area.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in New Plymouth
Renters in New Plymouth
| Period | New Plymouth | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 21.5% | 29.5% | 29.0% | 33.3% |
| 2010–14 | 24.4% | 31.9% | 30.8% | 35.6% |
| 2015–19 | 22.5% | 30.3% | 30.0% | 36.0% |
| 2020–24 | 12.6% | 27.5% | 27.9% | 34.8% |
| Change | −8.9 pts | −2.0 pts | −1.1 pts | +1.5 pts |
Only 12.6% of households in New Plymouth rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Nearly a third of owners (32.1%) have paid off their mortgages, below the national share of 39.8%.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in New Plymouth
| Period | New Plymouth | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.7% | 7.9% | 10.4% | 11.4% |
| 2010–14 | 9.7% | 7.2% | 11.0% | 11.4% |
| 2015–19 | 10.0% | 5.6% | 10.5% | 11.1% |
| 2020–24 | 4.0% | 5.6% | 9.3% | 9.6% |
| Change | −5.7 pts | −2.3 pts | −1.1 pts | −1.8 pts |
Only 4.0% of homes in New Plymouth are vacant, far below the national rate of 9.6%, which usually means strong demand for housing.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in New Plymouth
| Period | New Plymouth | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 1973 | 1989 | 1982 | 1974 |
| 2010–14 | 1977 | 1989 | 1984 | 1975 |
| 2015–19 | 1980 | 1991 | 1986 | 1977 |
| 2020–24 | 1981 | 1996 | 1989 | 1980 |
| Change | +8 | +7 | +7 | +6 |
The typical home in New Plymouth was built around 1981, about the same vintage as the country's housing overall (1980). Homes here are older than in the Boise area as a whole, where the median home dates to 1996.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in New Plymouth
| Period | New Plymouth | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | $660 | $884 | $766 | $965 |
| 2010–14 | $643 | $921 | $820 | $1,040 |
| 2015–19 | $685 | $1,075 | $941 | $1,213 |
| 2020–24 | $1,031 | $1,700 | $1,407 | $1,571 |
| Change | +$371 | +$815 | +$641 | +$606 |
The median renter in New Plymouth pays $1,031 a month for rent and utilities, well below the national median of $1,571. Rent takes 27.0% of the typical renter's income, just under the 30% mark often used to define affordable rent.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in New Plymouth
Bachelor's degrees in New Plymouth
| Period | New Plymouth | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 15.4% | 28.8% | 25.0% | 28.4% |
| 2010–14 | 19.6% | 30.0% | 25.9% | 29.6% |
| 2015–19 | 16.8% | 31.6% | 27.8% | 32.1% |
| 2020–24 | 22.2% | 36.9% | 31.7% | 35.6% |
| Change | +6.8 pts | +8.2 pts | +6.6 pts | +7.2 pts |
Fewer adults in New Plymouth have a four-year degree than in the country as a whole: 22.2%, against 35.6% nationally.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in New Plymouth
| Period | New Plymouth | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 83.1% | 89.5% | 88.7% | 84.9% |
| 2010–14 | 87.7% | 90.1% | 89.3% | 86.1% |
| 2015–19 | 90.5% | 91.7% | 90.8% | 87.7% |
| 2020–24 | 92.4% | 92.7% | 92.1% | 89.3% |
| Change | +9.3 pts | +3.2 pts | +3.4 pts | +4.3 pts |
About nine in ten adults in New Plymouth have finished high school (92.4%), a bit above the national rate of 89.3%. The picture is much the same across the Boise area.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in New Plymouth
| Period | New Plymouth | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 11.0% | 7.7% | 7.0% | 8.1% |
| 2010–14 | 8.7% | 8.4% | 8.1% | 9.4% |
| 2015–19 | 3.8% | 4.3% | 4.4% | 5.6% |
| 2020–24 | 3.1% | 3.2% | 3.8% | 5.4% |
| Change | −7.9 pts | −4.5 pts | −3.2 pts | −2.7 pts |
Unemployment in New Plymouth has been low: just 3.1% of the labor force was out of work and looking, well below the national rate of 5.4%. That is in line with the rest of the Boise area. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
New Plymouth compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| New Plymouth | 2.58 | 41.5 | 9.1% | 12.6% | 4.0% | 1981 | $1,031 | 22.2% | 92.4% | 3.1% |
| Fruitland | 2.85 | 40.1 | 7.0% | 23.7% | 9.7% | 1989 | $859 | 18.4% | 87.3% | 1.8% |
| Letha | 2.56 | 51.3 | 13.5% | 14.1% | 2.5% | 1991 | $1,077 | 27.5% | 95.4% | 0.3% |
| Payette | 2.78 | 38.1 | 10.4% | 36.0% | 6.0% | 1971 | $906 | 12.2% | 81.6% | 5.3% |
| Ontario | 2.65 | 36.9 | 15.7% | 39.8% | 11.9% | 1976 | $821 | 14.1% | 80.8% | 4.6% |
| Nyssa | 3.18 | 30.4 | 20.0% | 32.5% | 14.0% | 1961 | $886 | 16.5% | 81.9% | 6.3% |
| Parma | 2.77 | 37.2 | 13.3% | 28.4% | 4.0% | 1982 | $1,007 | 19.4% | 86.6% | 2.3% |
| Notus | 2.87 | 41.2 | 8.3% | 13.3% | 6.5% | 1993 | $1,079 | 14.1% | 80.6% | 4.4% |
| Crystal | 3.00 | 41.5 | 5.0% | 19.9% | 8.5% | 1979 | $846 | 25.4% | 86.0% | 4.3% |
| Emmett | 2.79 | 42.7 | 10.4% | 25.8% | 5.3% | 1984 | $1,076 | 18.7% | 88.5% | 3.1% |
| Roswell | 2.71 | 42.4 | 8.4% | 18.2% | 4.2% | 1974 | $976 | 21.7% | 92.5% | 3.3% |
All figures 2020–24.
Cities with similar populations: Montverde, FL · Wingdale, NY · West Liberty, IA · West Lebanon, NH · West Burlington, IA · Tawas City, MI · Stillwater, NY · South Tucson, AZ · Smithfield, PA · Sheridan, IL
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up New Plymouth. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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