Plymouth Flag

Plymouth

County Seat:
No
Area (mi²):
21.882
State:
Connecticut

Plymouth is located in Naugatuck Valley Planning Region, Connecticut. Plymouth has a 2025 population of 11,945 . Plymouth is currently growing at a rate of 0.56% annually and its population has increased by 2.51% since the most recent census, which recorded a population of 11,652 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. For every 100 females there are 89.3 males.

11.9K
Total Population
546
Density (mi²)
66 0.56%
Growth

Plymouth Population

Plymouth Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White (90.1%)

Two or more races (5.94%)

Other race (2.03%)

Black or African American (1.06%)

Asian (0.87%)

Race
Population
Percentage (of total)
White10,55590.1%
Two or more races6965.94%
Other race2382.03%
Black or African American1241.06%
Asian1020.87%

Plymouth Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)