South Yarmouth, MA Profile: Facts & Data

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South Yarmouth, Massachusetts - Basic Facts

The South Yarmouth CDP(1) had a population of 12,051 as of July 1, 2023.

The primary coordinate point for South Yarmouth is located at latitude 41.6668 and longitude -70.1847 in Barnstable County. The formal boundaries for the South Yarmouth Census Designated Place 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 South Yarmouth Census Designated Place 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.


  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

Jump to... (On This Page!)
  1. South Yarmouth 2023 Demographic Data
  2. Growth Rates for South Yarmouth (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Massachusetts Research Tools (Easy Tools & Current Data)
  3. Massachusetts Data Comparison Tool - 2023 Demographics
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South Yarmouth, MA Data & Demographics (As of July 1, 2023)

POPULATION

Total Population 12,051 (100%)
Population in Households 11,759 (97.6%)
Population in Families 8,548 (70.9%)
Population in Group Quarters1 292 ( 2.4%)
Population Density 1,733
Diversity Index2 40
 
 

INCOME

Median Household Income $70,934
Average Household Income $99,545
% of Income for Mortgage4 38%
Per Capita Income $45,362
Wealth Index5 103
Socioeconomic Status Index6 Moderate (52.2)
 

HOUSING

Total HU (Housing Units) 8,400 (100%)
Owner Occupied HU 4,109 (48.9%)
Renter Occupied HU 1,375 (16.4%)
Vacant Housing Units 2,916 (34.7%)
Median Home Value $449,492
Average Home Value $581,966
Housing Affordability Index3 64
 

HOUSEHOLDS

Total Households 5,484
Average Household Size 2.14
Family Households 3,027
Average Family Size 3.00
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

GROWTH RATE / YEAR

2020-2023 2023-2028
Population 0.91% 0.31%
Households 0.90% 0.56%
Families   0.52%
Median Household Income   2.16%
Per Capita Income   3.04%
Owner Occupied HU   0.88%

South Yarmouth, MA - Peer Comparisons by Rank and Percentile

The table below compares South Yarmouth to the other 248 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using July 1, 2023 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 # 85 66th
Population Density # 100 60th
Median Household Income # 190 24th
Housing Affordability Index # 80 32nd
Per Capita Income # 160 36th
Diversity Index # 87 65th

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

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