Plymouth

County:: Naugatuck Valley Planning Region
County Seat:: No
Area (mi²):: 21.882
State:: Connecticut

Plymouth is located in Naugatuck Valley Planning Region, Connecticut. Plymouth has a 2025 population of 11,870. Plymouth is currently growing at a rate of 0.44% annually and its population has increased by 1.91% since the most recent census, which recorded a population of 11,648 in 2020.

The average household income in Plymouth is $108,030 with a poverty rate of 7.14%. The median age in Plymouth is 44.4 years: 45.3 years for males, and 42.6 years for females.

Demographics

The racial composition of Plymouth includes 90.1% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	10,555	90.1%
Two or more races	696	5.94%
Other race	238	2.03%
Black or African American	124	1.06%
Asian	102	0.87%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Plymouth Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plymouth's average per capita income is $61,499. Household income levels show a median of $99,797. The poverty rate stands at 7.14%.

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	$142,265	-
Families	$118,548	$129,679
Households	$99,797	$108,030
Non Families	$53,810	$59,069

$61,499

Average Income

$99,797

Median Household Income

7.14%

Poverty Rate