South Yarmouth, MA demographics:
population, income, and more

Total population
11,552
-0.8% year-over-year change
Median household income
$82,188/yr
3.2% year-over-year change
Housing units
8,266
0.2% year-over-year change

South Yarmouth population

How many people live in South Yarmouth

South Yarmouth is home to 11,552 residents, according to the most recent Census data. Gender-wise, 47.6% of South Yarmouth locals are male, and 52.4% are female.

Total population
11,552
-0.8% year-over-year change
Gender ratio
Male
47.6%
5,500
Female
52.4%
6,052
Value Percent YoY change
Male 5,500 47.6% -1.1%
Female 6,052 52.4% -0.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in South Yarmouth is 52, with the population distributed as follows: about 10.3% are children under 15, then 9.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 19.8% of the population, while another 28% fall into the 45 to 64 bracket. Finally, around 32.3% are 65 or older.

Median age
52.4
Age breakdown
Under 15
10.3%
15 to 24
9.6%
25 to 44
19.8%
45 to 64
28%
Over 65
32.3%
Value Percent YoY change
Under 15 1,185 10.3% 5.8%
15 to 24 1,103 9.6% -2.8%
25 to 44 2,289 19.8% -4.7%
45 to 64 3,240 28% 1.1%
Over 65 3,735 32.3% -1.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In South Yarmouth, 79.7% of the population are US-born citizens, while 15.1% have gained naturalized citizenship. At the same time, 5.2% of residents are non-citizens. As for race, 77.2% of locals are Caucasian, 7.3% are African American and 4.2% have Asian roots. There’s also a share of 7.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
79.7%
Non-U.S.-born citizens
15.1%
Non-citizens
5.2%
Value Percent YoY change
U.S.-born citizens 9,210 79.7% -2.0%
Non-U.S.-born citizens 1,745 15.1% 4.3%
Non-citizens 597 5.2% 4.0%
Racial breakdown
White
77.2%
Black or African American
7.3%
American Indian and Alaska Native
0%
Asian
4.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.8%
Other
3.5%
Value Percent
White 8,913 77.2%
Black or African American 841 7.3%
Asian 485 4.2%
Two or more races 907 7.8%
Other 406 3.5%

Households in South Yarmouth

A peek inside South Yarmouth households

South Yarmouth has 5,394 households, with an average of 2 members in each. Of these, 59.2% are families, while the remaining 40.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
5,394
2.6% year-over-year change
Average people per household
2
Non-family households
2,202
Family households
3,192
Value Percent YoY change
Non-family households 2,202 40.8% 6.7%
Family households 3,192 59.2% -0.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in South Yarmouth

The housing landscape of South Yarmouth

South Yarmouth's housing consists of 8,266 units, with 84.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.5% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.2% of the housing landscape.

Housing units
8,266
0.2% year-over-year change
Housing types
Value Percent
1 unit, detached 6,957 84.2%
1 unit, attached 208 2.5%
2 units 335 4%
3 or 4 units 73 0.9%
5 to 9 units 204 2.5%
10 to 19 units 80 1%
20 to 49 units 150 1.8%
50 or more units 220 2.7%
Mobile home 19 0.2%
Boat, RV, van, etc. 20 0.2%
Homes built since 2020
0
% year-over-year change

The age of buildings in South Yarmouth

In South Yarmouth, the median construction year is 1971. About 9% of homes were built before the 1940s, with another 3.2% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 744 9% 2.9%
Built between 1940 and 1949 266 3.2% 9.0%
Built between 1950 and 1959 1,186 14.4% 4.4%
Built between 1960 and 1969 1,568 19% -13.3%
Built between 1970 and 1979 2,652 32.1% -0.8%
Built between 1980 and 1989 1,193 14.4% 9.9%
Built between 1990 and 1999 256 3.1% 14.3%
Built between 2000 and 2009 217 2.6% -0.5%
Built between 2010 and 2019 184 2.2% 33.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

South Yarmouth occupancy rates

Out of the 5,394 occupied housing units in South Yarmouth, 80.2% are owner-occupied, while 19.8% are lived in by tenants. Meanwhile, 34.7% of all homes on the local market sit vacant.

Occupied housing units
5,394
2.6% year-over-year change
Occupancy breakdown
Renter occupied
1,070
Owner occupied
4,324
Value Percent YoY
change
Renter occupied 1,070 19.8% -8.1%
Owner occupied 4,324 80.2% 5.7%
Unoccupied housing units
34.7%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

South Yarmouth housing costs

Housing costs in South Yarmouth come to a median of $1,622 per month, while tenants specifically pay a median gross rent of $1,806.

Median housing costs per month
$1,622/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in South Yarmouth
$1,806/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in South Yarmouth

South Yarmouth education at a glance

About 32.4% of the population in South Yarmouth went to high school, while 23.5% pursued college studies. Another 10.5% earned an associate degree and 18.5% hold a bachelor’s. Meanwhile, 13.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 175 1.8% -17.1%
High school diploma 3,236 32.4% -12.5%
College diploma 2,344 23.5% 7.7%
Associate degree 1,049 10.5% 10.5%
Bachelor's degree 1,850 18.5% -1.5%
Graduate degree 1,336 13.4% 5.6%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in South Yarmouth

How much people earn in South Yarmouth

The average annual household income in South Yarmouth was $107,916 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.1% change from the previous year. At the same time, the median income stood at $82,188, reflecting a +3.2% shift over the same period.

Average household income in South Yarmouth
$107,916/year
1.1% year-over-year change
Median household income in South Yarmouth
$82,188/year
3.2% year-over-year change

South Yarmouth income by age

In South Yarmouth, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $102,756. Those with someone between 45 and 64 in charge, often well established professionally, earn $97,164 overall. Overall, 88.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $102,756 5.6%
45 - 64 $97,164 0.7%
Over 65 $70,483 5.5%
Above poverty level
9,949
Below poverty level
1,296
Value Percent YoY
change
Above poverty level 9,949 88.5% -3.5%
Below poverty level 1,296 11.5% 25.5%

Average renter income in South Yarmouth

To get a better sense of what renters earn on average in South Yarmouth, their median household income was $53,247 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 40.7%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$53,247
Rent-to-income ratio
40.7%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in South Yarmouth

Workforce and job types in South Yarmouth

The job market in South Yarmouth is powered by 5,662 working residents, spread across a range of industries and roles. 80.1% of the working population are employed in professional or administrative positions, while 19.9% are in hands-on or service-based jobs. Also, 14.1% run their own businesses, 66.4% are employed by private companies, and 6.9% work in the public sector.

Workforce demographics

Working population
5,662
-2.7% year-over-year change
White collar
4,534
Blue collar
1,128
Value Percent YoY change
White collar 4,534 80.1% -2.5%
Blue collar 1,128 19.9% -3.6%
Employer type
Self employees
14.1%
Private companies
66.4%
Governmental workers
6.9%
Not for profit companies
12.7%
Value Percent YoY change
Self employees 797 14.1% 41.1%
Private companies 3,757 66.4% -8.9%
Governmental workers 390 6.9% -14.3%
Not for profit companies 718 12.7% 6.2%
Unemployment rate
6.1%
-22.1% year-over-year change

Available workforce

The unemployment rate in South Yarmouth stands at 6.1%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in South Yarmouth

How people get around in South Yarmouth

Means of transportation
Value Percent YoY change
Car 4,548 86.5% -7.4%
Bus or trolleybus 106 2% -17.2%
Subway or elevated 14 0.3% N/A
Railroad 35 0.7% N/A
Bicycle 104 2% 23.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

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FAQs about South Yarmouth demographics 

What is the total population of South Yarmouth?

South Yarmouth has a total population of 11,552 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.8% compared to a year ago.

What is the gender ratio in South Yarmouth?

The gender ratio in South Yarmouth is as follows:
  • 47.6% males (5,500 residents)
  • 52.4% females (6,052 residents)

What is the median age in South Yarmouth?

The median age in South Yarmouth is 52.4.

What is the age distribution of the population in South Yarmouth?

The age distribution in South Yarmouth is as follows:
  • Under 15: 10.3% (1,185 residents)
  • Ages 15-24: 9.6% (1,103 residents)
  • Ages 25-44: 19.8% (2,289 residents)
  • Ages 45-64: 28% (3,240 residents)
  • Over 65: 32.3% (3,735 residents)

What is the racial and ethnic makeup of South Yarmouth?

The racial and ethnic makeup of South Yarmouth is as follows:
  • White: 77.2% (8,913 residents)
  • Black or African American: 7.3% (841 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 4.2% (485 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 7.8% (907 residents)
  • Other: 3.5% (406 residents)

What percentage of the population in South Yarmouth are U.S.-born citizens?

U.S.-born citizens represent 79.7% of the population in South Yarmouth.

How many housing units are there in South Yarmouth?

There are 8,266 housing units in South Yarmouth, reflecting a +0.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in South Yarmouth and what is the average household size?

South Yarmouth has a total of 5,394 households, with an average of 2 people in each.

What is the median household income in South Yarmouth?

South Yarmouth has a median household income of $82,188, representing a +3.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for South Yarmouth?

The employment rate is 93.9% in South Yarmouth, with a workforce of 5,662 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 80.1% (4,534 residents)
  • Blue-collar workers: 19.9% (1,128 residents)

Places of employment:
  • Self-employed: 14.1% (797 residents)
  • Private companies: 66.4% (3,757 residents)
  • Governmental workers: 6.9% (390 residents)
  • Not-for-profit companies: 12.7% (718 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025