Seymour Flag

Seymour

County Seat:
No
Area (mi²):
14.518
State:
Connecticut

Seymour is located in Naugatuck Valley Planning Region, Connecticut. Seymour has a 2025 population of 17,263. Seymour is currently growing at a rate of 0.91% annually and its population has increased by 3.28% since the most recent census, which recorded a population of 16,714 in 2020.

The average household income in Seymour is $125,321 with a poverty rate of 6.28%. The median age in Seymour is 40.6 years: 40.4 years for males, and 40.7 years for females.

17.3K
Total Population
1,189
Density (mi²)
155 0.91%
Growth

Seymour Population

Seymour Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Seymour includes 70.31% White, 7.2% Black or African American, 3.93% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White11,81270.31%
Two or more races2,62715.64%
Black or African American1,2097.2%
Other race6613.93%
Asian4122.45%
Native American420.25%
Native Hawaiian or Pacific Islander360.21%

Seymour Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Seymour's average per capita income is $60,049. Household income levels show a median of $103,682. The poverty rate stands at 6.28%.

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$148,990-
Families$121,250$140,882
Households$103,682$125,321
Non Families$55,093$75,444

$60,049

Average Income

$103,682

Median Household Income

6.28%

Poverty Rate

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)