Population 9,815 · Census ACS 2020–24
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Population and households in South Yarmouth
Household size in South Yarmouth
| Period | South Yarmouth | Massachusetts | U.S. |
|---|---|---|---|
| 2006–10 | 1.93 | 2.53 | 2.68 |
| 2010–14 | 2.11 | 2.57 | 2.73 |
| 2015–19 | 2.18 | 2.57 | 2.71 |
| 2020–24 | 2.07 | 2.52 | 2.65 |
| Change | +0.14 | −0.01 | −0.03 |
South Yarmouth is a place of small households, averaging 2.07 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has climbed from 1.93 in 2006–10, even as the national average fell. Only eight of the 275 Massachusetts cities with 5,000+ people have smaller households.
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 South Yarmouth
| Period | South Yarmouth | Massachusetts | U.S. |
|---|---|---|---|
| 2006–10 | 51.4 | 39.4 | 37.7 |
| 2010–14 | 53.0 | 40.1 | 38.6 |
| 2015–19 | 55.2 | 41.0 | 39.6 |
| 2020–24 | 55.9 | 41.4 | 40.1 |
| Change | +4.6 | +2.0 | +2.3 |
With a median age of 55.9, South Yarmouth is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. The median age has climbed from 51.4 in 2006–10, in line with the national trend. Only six of the 275 Massachusetts cities with 5,000+ people are older.
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 South Yarmouth
| Period | South Yarmouth | Massachusetts | U.S. |
|---|---|---|---|
| 2006–10 | 7.0% | 11.0% | 12.3% |
| 2010–14 | 7.7% | 11.0% | 12.3% |
| 2015–19 | 9.3% | 10.3% | 11.6% |
| 2020–24 | 8.2% | 10.6% | 11.6% |
| Change | +1.2 pts | −0.4 pts | −0.6 pts |
Single-parent households are relatively rare in South Yarmouth: 8.2% of households, against 11.6% nationally. The single-parent share is up 1.2 points from 2006–10, even as the national share fell.
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 South Yarmouth
Renters in South Yarmouth
| Period | South Yarmouth | Massachusetts | U.S. |
|---|---|---|---|
| 2006–10 | 29.2% | 36.0% | 33.3% |
| 2010–14 | 30.1% | 37.7% | 35.6% |
| 2015–19 | 28.3% | 37.6% | 36.0% |
| 2020–24 | 21.8% | 37.5% | 34.8% |
| Change | −7.4 pts | +1.5 pts | +1.5 pts |
South Yarmouth is largely a place of homeowners: only 21.8% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. More than a third of owners (36.3%) have paid off their mortgages, below the national share of 39.8%. The renter share is down 7.4 points from 2006–10, even as the national share rose.
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 South Yarmouth
| Period | South Yarmouth | Massachusetts | U.S. |
|---|---|---|---|
| 2006–10 | 27.7% | 9.5% | 11.4% |
| 2010–14 | 28.9% | 9.1% | 11.4% |
| 2015–19 | 33.4% | 8.9% | 11.1% |
| 2020–24 | 31.3% | 7.9% | 9.6% |
| Change | +3.6 pts | −1.6 pts | −1.8 pts |
Vacancy is high in South Yarmouth: 31.3% of homes are empty, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand. Since 2006–10, vacancy has risen 3.6 points, even as the national rate fell.
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 South Yarmouth
| Period | South Yarmouth | Massachusetts | U.S. |
|---|---|---|---|
| 2006–10 | 1969 | 1958 | 1974 |
| 2010–14 | 1969 | 1959 | 1975 |
| 2015–19 | 1971 | 1961 | 1977 |
| 2020–24 | 1970 | 1963 | 1980 |
| Change | +1 | +5 | +6 |
The housing in South Yarmouth is old by national standards: the median home dates to 1970, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. Even so, homes here are newer than in Massachusetts overall, where the median home dates to 1963. Newer construction is concentrated in the northwest, while the south has the oldest housing.
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 South Yarmouth
| Period | South Yarmouth | Massachusetts | U.S. |
|---|---|---|---|
| 2006–10 | $1,259 | $1,085 | $965 |
| 2010–14 | $1,107 | $1,157 | $1,040 |
| 2015–19 | $1,397 | $1,398 | $1,213 |
| 2020–24 | $1,783 | $1,860 | $1,571 |
| Change | +$524 | +$775 | +$606 |
The median renter in South Yarmouth pays $1,783 a month for rent and utilities, above the national median of $1,571. Rent has climbed $524 a month since 2006–10, up 42%, a slower climb than the nation's. The typical renter here spends 41.3% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Renters on a budget will find the lowest rents in the southwest; the highest are in the north.
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 South Yarmouth
Bachelor's degrees in South Yarmouth
| Period | South Yarmouth | Massachusetts | U.S. |
|---|---|---|---|
| 2006–10 | 26.3% | 38.5% | 28.4% |
| 2010–14 | 30.6% | 40.1% | 29.6% |
| 2015–19 | 30.3% | 43.6% | 32.1% |
| 2020–24 | 38.5% | 47.2% | 35.6% |
| Change | +12.2 pts | +8.7 pts | +7.2 pts |
Nearly four in ten adults 25 and older in South Yarmouth (38.5%) hold at least a bachelor's degree, close to the national share of 35.6%. The share is lower than in Massachusetts overall (47.2%). The share with a degree is up 12.2 points from 2006–10, as it has 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 South Yarmouth
| Period | South Yarmouth | Massachusetts | U.S. |
|---|---|---|---|
| 2006–10 | 92.7% | 88.4% | 84.9% |
| 2010–14 | 92.0% | 89.3% | 86.1% |
| 2015–19 | 95.4% | 90.5% | 87.7% |
| 2020–24 | 95.1% | 91.0% | 89.3% |
| Change | +2.4 pts | +2.6 pts | +4.3 pts |
High school completion is high in South Yarmouth: 95.1% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The share with a diploma is up 2.4 points from 2006–10, in line with the national trend.
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 South Yarmouth
| Period | South Yarmouth | Massachusetts | U.S. |
|---|---|---|---|
| 2006–10 | 8.5% | 7.5% | 8.1% |
| 2010–14 | 9.5% | 8.7% | 9.4% |
| 2015–19 | 3.8% | 5.0% | 5.6% |
| 2020–24 | 7.6% | 5.2% | 5.4% |
| Change | −0.9 pts | −2.3 pts | −2.7 pts |
Finding work has been harder in South Yarmouth: 7.6% of the labor force was out of work and looking, well above the national rate of 5.4%. Of the 275 Massachusetts cities with 5,000+ people, only 14 have higher unemployment. 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).
South Yarmouth 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| South Yarmouth | 2.07 | 55.9 | 8.2% | 21.8% | 31.3% | 1970 | $1,783 | 38.5% | 95.1% | 7.6% |
| West Dennis | 2.04 | 61.1 | 7.7% | 27.4% | 49.4% | 1965 | $1,760 | 42.9% | 95.0% | 1.0% |
| West Yarmouth | 2.14 | 52.6 | 9.2% | 20.7% | 29.5% | 1974 | $1,541 | 33.4% | 92.7% | 5.5% |
| Yarmouth Port | 2.16 | 57.7 | 6.7% | 8.2% | 18.3% | 1980 | $1,993 | 53.8% | 97.0% | 3.2% |
| South Dennis | 2.02 | 57.0 | 8.3% | 18.6% | 41.5% | 1973 | $1,773 | 41.9% | 97.2% | 2.1% |
| Dennis Port | 1.92 | 53.9 | 5.4% | 29.4% | 49.8% | 1966 | $1,439 | 41.8% | 97.1% | 10.0% |
| Dennis | 2.27 | 60.3 | 1.7% | 12.5% | 45.8% | 1976 | $1,165 | 49.0% | 98.6% | 2.2% |
| East Dennis | 2.03 | 65.6 | 6.2% | 15.1% | 39.6% | 1975 | $875 | 55.8% | 99.1% | 3.6% |
| Northwest Harwich | 2.34 | 55.7 | 9.4% | 8.0% | 28.0% | 1980 | $2,926 | 47.1% | 97.7% | 7.4% |
| Barnstable | 2.53 | 52.2 | 4.1% | 9.9% | 27.2% | 1970 | $2,425 | 62.1% | 94.5% | 1.0% |
| Barnstable Town | 2.14 | 45.5 | 12.8% | 47.8% | 15.5% | 1977 | $1,758 | 30.3% | 89.7% | 3.0% |
All figures 2020–24.
Cities with similar populations: Waggaman, LA · Claremont, NC · Clarence, NY · Clayton, NJ · Crestwood, IL · Vandalia, IL · Venetia, PA · Ventnor City, NJ · Vicksburg, MI · Victoria, MN
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 South Yarmouth. 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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