South Duxbury, MA Profile: Facts & Data


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South Duxbury, Massachusetts - Basic Facts

The South Duxbury CDP(1) had a population of 3,489 as of July 1, 2022. South Duxbury ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Massachusetts. See peer rankings below.

The primary coordinate point for South Duxbury is located at latitude 42.0232 and longitude -70.6828 in Plymouth County. The formal boundaries for the South Duxbury Census Designated Place encompass a land area of 2.95 sq. miles and a water area of 1.46 sq. miles. Plymouth County is in the Eastern time zone (GMT -5). The elevation is 49 feet.

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

Alternate Unofficial Names for South Duxbury: Halls Corner.

  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 Duxbury 2022 Demographic Data
  2. Growth Rates for South Duxbury (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 - 2022 Demographics

South Duxbury, MA Data & Demographics (As of July 1, 2022)


Total Population 3,489 (100%)
Population in Households 3,483 (99.8%)
Population in Families 3,112 (89.2%)
Population in Group Quarters1 6 ( 0.2%)
Population Density 1,189
Diversity Index2 19


Median Household Income $169,432
Average Household Income $247,938
% of Income for Mortgage4 24%
Per Capita Income $88,476
Wealth Index5 344


Total HU (Housing Units) 1,378 (100%)
Owner Occupied HU 1,181 (85.7%)
Renter Occupied HU 64 ( 4.6%)
Vacant Housing Units 133 ( 9.7%)
Median Home Value $756,466
Average Home Value $866,681
Housing Affordability Index3 97


Total Households 1,245
Average Household Size 2.80
Family Households 960
Average Family Size 3.00
  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.


2020-2022 2022-2027
Population 0.33% 0.21%
Households 0.36% 0.30%
Families   0.29%
Median Household Income   1.92%
Per Capita Income   3.08%
Owner Occupied HU   0.39%

South Duxbury, MA - Peer Comparisons by Rank and Percentile

The table below compares South Duxbury to the other 248 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using July 1, 2022 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 # 145 42nd
Population Density # 143 43rd
Median Household Income # 11 96th
Housing Affordability Index # 141 57th
Per Capita Income # 12 96th
Diversity Index # 211 15th

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

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