South Duxbury

County:: Plymouth County
County Seat:: No
Area (mi²):: 2.935
State:: Massachusetts

South Duxbury is a CDP located in Plymouth County, Massachusetts. South Duxbury has a 2025 population of 3,421. South Duxbury is currently growing at a rate of 0.12% annually and its population has increased by 2.49% since the most recent census, which recorded a population of 3,338 in 2020.

The average household income in South Duxbury is $273,723 with a poverty rate of 4.8%. The median age in South Duxbury is 49.5 years: 50.1 years for males, and 48 years for females.

Demographics

The racial composition of South Duxbury includes 91.23% White, and smaller percentages for Asian, Native American, Black or African American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Native American

Black or African American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	2,985	91.23%
Two or more races	194	5.93%
Asian	79	2.41%
Native American	12	0.37%
Black or African American	2	0.06%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

South Duxbury Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Duxbury's average per capita income is $112,623. Household income levels show a median of $206,111. The poverty rate stands at 4.8%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$250,001	-
Families	$235,764	$307,926
Households	$206,111	$273,723
Non Families	$34,299	$60,866

$112,623

Average Income

$206,111

Median Household Income

4.8%

Poverty Rate