Population 386 · Census ACS 2020–24
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Median age by neighborhoodHistory and comparison ↓︎
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Population and households in Plymouth
Household size in Plymouth
| Period | Plymouth | Washington | U.S. |
|---|---|---|---|
| 2006–10 | 3.42 | 2.56 | 2.68 |
| 2010–14 | 2.55 | 2.62 | 2.73 |
| 2015–19 | 2.85 | 2.62 | 2.71 |
| 2020–24 | 3.17 | 2.61 | 2.65 |
| Change | −0.25 | +0.05 | −0.03 |
Households in Plymouth are large by national standards, averaging 3.17 people against 2.65 for the U.S. That usually means more families with children at home. Since 2006–10, household size has dropped from 3.42, 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 Plymouth
| Period | Plymouth | Washington | U.S. |
|---|---|---|---|
| 2006–10 | 27.5 | 38.0 | 37.7 |
| 2010–14 | 34.6 | 38.7 | 38.6 |
| 2015–19 | 35.4 | 39.3 | 39.6 |
| 2020–24 | 36.6 | 39.6 | 40.1 |
| Change | +9.1 | +1.6 | +2.3 |
The median resident of Plymouth is 36.6 years old, a few years younger than the national median of 40.1.
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 Plymouth
| Period | Plymouth | Washington | U.S. |
|---|---|---|---|
| 2006–10 | 12.3% | 10.9% | 12.3% |
| 2010–14 | 11.8% | 10.6% | 12.3% |
| 2015–19 | 9.7% | 10.1% | 11.6% |
| 2020–24 | 12.2% | 10.1% | 11.6% |
| Change | −0.2 pts | −0.8 pts | −0.6 pts |
Single-parent households are about as common in Plymouth as they are nationally: 12.2%, against 11.6%. Single parents are more common here than in Washington as a whole (10.1%).
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 Plymouth
Renters in Plymouth
| Period | Plymouth | Washington | U.S. |
|---|---|---|---|
| 2006–10 | 27.0% | 35.2% | 33.3% |
| 2010–14 | 37.2% | 37.3% | 35.6% |
| 2015–19 | 26.4% | 37.0% | 36.0% |
| 2020–24 | 19.6% | 36.2% | 34.8% |
| Change | −7.4 pts | +1.0 pts | +1.5 pts |
Plymouth is largely a place of homeowners: only 19.6% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Nearly six in ten owners (57.8%) have paid off their mortgages, well above 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 Plymouth
| Period | Plymouth | Washington | U.S. |
|---|---|---|---|
| 2006–10 | 17.0% | 9.2% | 11.4% |
| 2010–14 | 8.9% | 9.2% | 11.4% |
| 2015–19 | 1.2% | 8.2% | 11.1% |
| 2020–24 | 2.1% | 7.6% | 9.6% |
| Change | −14.9 pts | −1.6 pts | −1.8 pts |
Empty homes are scarce in Plymouth: just 2.1% sit vacant, compared with 9.6% nationally, a sign of a tight housing market.
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 Plymouth
| Period | Plymouth | Washington | U.S. |
|---|---|---|---|
| 2006–10 | 1976 | 1977 | 1974 |
| 2010–14 | 1980 | 1979 | 1975 |
| 2015–19 | 1992 | 1980 | 1977 |
| 2020–24 | 1994 | 1984 | 1980 |
| Change | +18 | +6 | +6 |
Plymouth has newer housing than the country as a whole: the median home was built in 1994, versus 1980 nationally.
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 Plymouth
| Period | Plymouth | Washington | U.S. |
|---|---|---|---|
| 2006–10 | $236 | $1,018 | $965 |
| 2010–14 | $536 | $1,127 | $1,040 |
| 2015–19 | $828 | $1,390 | $1,213 |
| 2020–24 | $492 | $1,875 | $1,571 |
| Change | +$256 | +$858 | +$606 |
The median renter in Plymouth pays $492 a month for rent and utilities, well below the national median of $1,571. Rent takes 51.0% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched.
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 Plymouth
Bachelor's degrees in Plymouth
| Period | Plymouth | Washington | U.S. |
|---|---|---|---|
| 2006–10 | 16.9% | 31.0% | 28.4% |
| 2010–14 | 16.6% | 32.1% | 29.6% |
| 2015–19 | 15.7% | 35.5% | 32.1% |
| 2020–24 | 17.3% | 38.8% | 35.6% |
| Change | +0.4 pts | +7.8 pts | +7.2 pts |
Fewer adults in Plymouth have a four-year degree than in the country as a whole: 17.3%, 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 Plymouth
| Period | Plymouth | Washington | U.S. |
|---|---|---|---|
| 2006–10 | 70.9% | 89.5% | 84.9% |
| 2010–14 | 70.8% | 90.0% | 86.1% |
| 2015–19 | 72.9% | 91.0% | 87.7% |
| 2020–24 | 59.7% | 91.9% | 89.3% |
| Change | −11.2 pts | +2.4 pts | +4.3 pts |
About four in ten adults in Plymouth never finished high school, well above the national share: only 59.7% have a diploma or equivalent, against 89.3% nationally.
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 Plymouth
| Period | Plymouth | Washington | U.S. |
|---|---|---|---|
| 2006–10 | 1.8% | 7.6% | 8.1% |
| 2010–14 | 8.0% | 8.9% | 9.4% |
| 2015–19 | 11.8% | 5.1% | 5.6% |
| 2020–24 | 0.6% | 5.1% | 5.4% |
| Change | −1.2 pts | −2.5 pts | −2.7 pts |
The job market in Plymouth has been strong: just 0.6% of the labor force was out of work and looking, well below the national rate of 5.4%. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current 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).
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Plymouth | 3.17 | 36.6 | 12.2% | 19.6% | 2.1% | 1994 | $492 | 17.3% | 59.7% | 0.6% |
| Umatilla | 2.76 | 35.7 | 16.9% | 27.5% | 5.2% | 1992 | $1,349 | 15.0% | 76.6% | 8.3% |
| Irrigon | 2.65 | 34.7 | 11.3% | 19.6% | 5.7% | 1990 | $990 | 9.7% | 83.8% | 5.2% |
| Hermiston | 2.93 | 34.2 | 20.7% | 29.2% | 7.3% | 1987 | $1,168 | 16.9% | 78.7% | 5.0% |
| Stanfield | 2.35 | 40.6 | 10.9% | 27.4% | 12.3% | 1973 | $1,019 | 8.3% | 84.9% | 7.6% |
| Paterson | 2.88 | 41.1 | 12.4% | 21.6% | 12.1% | 1994 | $890 | 25.3% | 84.5% | 1.1% |
| Echo | 2.91 | 33.9 | 7.2% | 14.5% | 9.5% | 1962 | $983 | 13.7% | 88.5% | 1.3% |
| Boardman | 3.33 | 35.6 | 14.9% | 32.7% | 8.7% | 1987 | $1,146 | 7.4% | 61.1% | 0.9% |
| Wallula Junction | 3.75 | 27.0 | 16.9% | 14.2% | 5.0% | 1991 | $690 | 14.7% | 73.5% | 2.7% |
| Kennewick | 2.82 | 36.4 | 14.0% | 35.6% | 7.4% | 1985 | $1,416 | 27.2% | 86.0% | 4.7% |
| Finley | 3.07 | 44.0 | 14.1% | 22.7% | 5.2% | 1982 | $963 | 21.0% | 82.9% | 5.2% |
All figures 2020–24.
Cities with similar populations: Dolton, SD · Trapp, VA · Fultonham, NY · Fillmore, OK · Dunmore, WV · Dragoon, AZ · Downey, IA · Douglass Crossroads, FL · Doty, WA · Turnbull, VA
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 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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