South Yarmouth, MA Profile: Facts, Map & Data


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South Yarmouth, Massachusetts - Basic Facts

The South Yarmouth Census Designated Place had a population of 10,938 as of July 1, 2017.

The primary coordinate point for South Yarmouth is located at latitude 41.6671 and longitude -70.2008 in Barnstable County. The formal boundaries for the South Yarmouth Census Designated Place (see map below) encompass a land area of 6.96 sq. miles and a water area of 0.86 sq. miles. Barnstable County is in the Eastern time zone (GMT -5). The elevation is 20 feet.

The South Yarmouth Census Designated Place (GNIS ID: 2378233) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The South Yarmouth Census Designated Place is located within Town of Yarmouth, a minor civil division (MCD) of Barnstable County.

Beneath the boundary map are tables with South Yarmouth population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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South Yarmouth Census Designated Place, MA Boundary Map

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Boundary Maps: Town of Yarmouth | Barnstable County | Massachusetts Counties

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South Yarmouth, MA Data & Demographics (As of July 1, 2017)


Total Population 10,938
Daytime Population: Workers 3,999
Daytime Population: Residents 4,772
Total Daytime Population (TDP) 8,771
Ratio TDP/Total Population1 0.80
Population in Households 10,827
Population in Familes 7,872
Population in Group Qrtrs 111
Population Density2 1,573
Diversity Index3 26


Median Household Income $50,728
Average Household Income $69,119
Per Capita Income $32,618


Total Housing Units 8,168 (100%)
Owner Occupied HU 3,590 (44.0%)
Renter Occupied HU 1,541 (18.9%)
Vacant Housing Units 3,037 (37.2%)
Median Home Value $320,623
Average Home Value $377,694


Total Households 5,131
Average Household Size 2.11
Family Households 2,866
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.19% -0.11%
Households -0.27% -0.13%
Families -0.4% -0.19%
Median Household Income   0.6%
Per Capita Income   2.35%

South Yarmouth, MA - Peer Comparisons by Rank and Percentile

The table below compares South Yarmouth to the other 246 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 84 66th
Population Density # 112 55th
Diversity Index # 105 57th
Median Household Income # 208 16th
Per Capita Income # 167 33rd

Additional comparisons and rankings can be made with a VERY EASY TO USE Massachusetts Census Data Comparison Tool.

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