Seymour Flag

Seymour

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

Seymour is located in Naugatuck Valley Planning Region, Connecticut. Seymour has a 2026 population of 17,389. Seymour is currently growing at a rate of 0.72% annually and its population has increased by 4.06% since the most recent census, which recorded a population of 16,711 in 2020.

The median household income in Seymour is $107,708 with a poverty rate of 6.73%. The median age in Seymour is 41.6 years: 40.6 years for males, and 43.5 years for females. For every 100 females there are 95.7 males.

17.4K
Total Population
1,198
Density (mi²)
125 0.72%
Growth

Seymour Population

Seymour Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202617,3891250.72%
202517,2641250.73%
202417,1391250.73%
202317,0141971.17%
202216,817400.24%
202116,777660.39%
202016,711-41-0.24%
201916,416-87-0.53%
201816,503-16-0.1%
201716,519-40-0.24%
201616,559830.5%
201516,476-85-0.51%
201416,56110.01%
201316,560-14-0.08%
201216,574340.21%
201116,54000%
201016,53070.04%

Median Age

Overall: 41.6 years
Female: 43.5 years
Male: 40.6 years

Seymour Adults

There are 13,627 adults, (2,839 of whom are seniors) in Seymour.

Sex Ratio

Female: 8,631 (51.1%)
Male: 8,258 (48.9%)

Demographics

The racial composition of Seymour includes 66.62% White, 11.28% Black or African American, 3.75% other race, and smaller percentages for Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White11,25266.62%
Two or more races2,66415.77%
Black or African American1,90511.28%
Other race6343.75%
Asian4152.46%
Native Hawaiian or Pacific Islander170.1%
Native American20.01%
Race
Population ↓
Percentage (of total)
Two or more races1,6429.72%
White5843.46%
Other race5733.39%
Asian440.26%
Native American20.01%
Race
Population ↓
Percentage (of total)
White10,66863.17%
Black or African American1,90511.28%
Two or more races1,0226.05%
Asian3712.2%
Other race610.36%
Native Hawaiian or Pacific Islander170.1%

Seymour Marital Status

Economics and Income Statistics

Seymour 's average per capita income is $62,050. Household income levels show a median of $107,708. The poverty rate stands at 6.73%.

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$151,229-
Families$126,705$141,160
Households$107,708$127,008
Non Families$68,487$84,409

$62,050

Average Income

$107,708

Median Household Income

6.73%

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)