Seymour, CT demographics:
population, income, and more

Total population
16,887
0.5% year-over-year change
Median household income
$107,708/yr
3.9% year-over-year change
Housing units
6,550
1.8% year-over-year change

Seymour population

How many people live in Seymour

Seymour is home to 16,887 residents, according to the most recent Census data. Gender-wise, 48.9% of Seymour locals are male, and 51.1% are female.

Total population
16,887
0.5% year-over-year change
Gender ratio
Male
48.9%
8,257
Female
51.1%
8,630
Value Percent YoY change
Male 8,257 48.9% 2.5%
Female 8,630 51.1% -1.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Seymour is 42, with the population distributed as follows: about 15.3% are children under 15, then 11.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.3% of the population, while another 30.8% fall into the 45 to 64 bracket. Finally, around 16.8% are 65 or older.

Median age
41.6
Age breakdown
Under 15
15.3%
15 to 24
11.7%
25 to 44
25.3%
45 to 64
30.8%
Over 65
16.8%
Value Percent YoY change
Under 15 2,584 15.3% -6.4%
15 to 24 1,983 11.7% -0.8%
25 to 44 4,276 25.3% -2.4%
45 to 64 5,206 30.8% 6.9%
Over 65 2,839 16.8% 1.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Seymour, 85.5% of the population are US-born citizens, while 10.6% have gained naturalized citizenship. At the same time, 3.8% of residents are non-citizens. As for race, 66.6% of locals are Caucasian, 11.3% are African American and 2.5% have Asian roots. There’s also a share of 15.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
85.5%
Non-U.S.-born citizens
10.6%
Non-citizens
3.8%
Value Percent YoY change
U.S.-born citizens 14,441 85.5% -0.8%
Non-U.S.-born citizens 1,797 10.6% 8.3%
Non-citizens 649 3.8% 10.4%
Racial breakdown
White
66.6%
Black or African American
11.3%
American Indian and Alaska Native
0%
Asian
2.5%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
15.8%
Other
3.8%
Value Percent
White 11,251 66.6%
Black or African American 1,905 11.3%
American Indian and Alaska Native 2 0%
Asian 415 2.5%
Native Hawaiian and other Pacific Islander 17 0.1%
Two or more races 2,664 15.8%
Other 634 3.8%

Households in Seymour

A peek inside Seymour households

Seymour has 6,377 households, with an average of 3 members in each. Of these, 69.5% are families, while the remaining 30.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
6,377
1.4% year-over-year change
Average people per household
3
Non-family households
1,943
Family households
4,434
Value Percent YoY change
Non-family households 1,943 30.5% 9.2%
Family households 4,434 69.5% -1.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Seymour

The housing landscape of Seymour

Seymour's housing consists of 6,550 units, with 65.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.7% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.6% of the housing landscape.

Housing units
6,550
1.8% year-over-year change
Housing types
Value Percent
1 unit, detached 4,319 65.9%
1 unit, attached 243 3.7%
2 units 532 8.1%
3 or 4 units 152 2.3%
5 to 9 units 186 2.8%
10 to 19 units 489 7.5%
20 to 49 units 311 4.8%
50 or more units 280 4.3%
Mobile home 38 0.6%
Homes built since 2020
% year-over-year change

The age of buildings in Seymour

In Seymour, the median construction year is 1973. About 12.2% of homes were built before the 1940s, with another 6.8% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 797 12.2% -16.7%
Built between 1940 and 1949 443 6.8% 25.1%
Built between 1950 and 1959 985 15% 11.6%
Built between 1960 and 1969 792 12.1% -6.9%
Built between 1970 and 1979 963 14.7% -2.7%
Built between 1980 and 1989 895 13.7% 0.9%
Built between 1990 and 1999 772 11.8% 17.5%
Built between 2000 and 2009 676 10.3% 10.6%
Built between 2010 and 2019 228 3.5% -7.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Seymour occupancy rates

Out of the 6,377 occupied housing units in Seymour, 74.2% are owner-occupied, while 25.8% are lived in by tenants. Meanwhile, 2.6% of all homes on the local market sit vacant.

Occupied housing units
6,377
1.4% year-over-year change
Occupancy breakdown
Renter occupied
1,643
Owner occupied
4,734
Value Percent YoY
change
Renter occupied 1,643 25.8% -0.4%
Owner occupied 4,734 74.2% 2.1%
Unoccupied housing units
2.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Seymour housing costs

Housing costs in Seymour come to a median of $1,766 per month, while tenants specifically pay a median gross rent of $1,608.

Median housing costs per month
$1,766/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Seymour
$1,608/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Seymour

Seymour education at a glance

About 34.8% of the population in Seymour went to high school, while 19.7% pursued college studies. Another 10.4% earned an associate degree and 17.4% hold a bachelor’s. Meanwhile, 14.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 440 3.2% 1.6%
High school diploma 4,739 34.8% 4.4%
College diploma 2,679 19.7% 6.8%
Associate degree 1,420 10.4% 6.2%
Bachelor's degree 2,372 17.4% 10.4%
Graduate degree 1,976 14.5% -10.1%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Seymour

How much people earn in Seymour

The average annual household income in Seymour was $126,984 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.4% change from the previous year. At the same time, the median income stood at $107,708, reflecting a +3.9% shift over the same period.

Average household income in Seymour
$126,984/year
1.4% year-over-year change
Median household income in Seymour
$107,708/year
3.9% year-over-year change

Seymour income by age

In Seymour, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $121,875. Those with someone between 45 and 64 in charge, often well established professionally, earn $131,394 overall. Overall, 93.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $121,875 7.8%
45 - 64 $131,394 -0.6%
Over 65 $69,159 3.5%
Above poverty level
15,357
Below poverty level
1,126
Value Percent YoY
change
Above poverty level 15,357 93.2% -0.2%
Below poverty level 1,126 6.8% 7.7%

Employment in Seymour

Workforce and job types in Seymour

73.8% of the working population are employed in professional or administrative positions, while 26.2% are in hands-on or service-based jobs. Also, 9.2% run their own businesses, 68.7% are employed by private companies, and 10.1% work in the public sector.

Workforce demographics

White collar
6,836
Blue collar
2,425
Value Percent YoY change
White collar 6,836 73.8% -2.9%
Blue collar 2,425 26.2% 15.4%
Employer type
Self employees
9.2%
Private companies
68.7%
Governmental workers
10.1%
Not for profit companies
12%
Value Percent YoY change
Self employees 850 9.2% -6.0%
Private companies 6,359 68.7% 7.3%
Governmental workers 938 10.1% -12.2%
Not for profit companies 1,114 12% -10.2%

Transportation in Seymour

How people get around in Seymour

Commuting methods vary: 96.7% of residents travel by personal vehicle and 2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 7,305 96.7% -3.8%
Taxicab 57 0.8% N/A
Railroad 45 0.6% 7.1%
Walk 148 2% -6.9%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Seymour by zipcode?

Zipcode Population Number of households Median income Average income
06483 16,889 6,378 $107,708 $127,008

Find your place

Explore more communities

FAQs about Seymour demographics 

What is the total population of Seymour?

Seymour has a total population of 16,887 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.5% compared to a year ago.

What is the gender ratio in Seymour?

The gender ratio in Seymour is as follows:
  • 48.9% males (8,257 residents)
  • 51.1% females (8,630 residents)

What is the median age in Seymour?

The median age in Seymour is 41.6.

What is the age distribution of the population in Seymour?

The age distribution in Seymour is as follows:
  • Under 15: 15.3% (2,584 residents)
  • Ages 15-24: 11.7% (1,983 residents)
  • Ages 25-44: 25.3% (4,276 residents)
  • Ages 45-64: 30.8% (5,206 residents)
  • Over 65: 16.8% (2,839 residents)

What is the racial and ethnic makeup of Seymour?

The racial and ethnic makeup of Seymour is as follows:
  • White: 66.6% (11,251 residents)
  • Black or African American: 11.3% (1,905 residents)
  • American Indian and Alaska Native: 0% (2 residents)
  • Asian: 2.5% (415 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (17 residents)
  • Two or More Races: 15.8% (2,664 residents)
  • Other: 3.8% (634 residents)

What percentage of the population in Seymour are U.S.-born citizens?

U.S.-born citizens represent 85.5% of the population in Seymour.

How many housing units are there in Seymour?

There are 6,550 housing units in Seymour, reflecting a +1.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Seymour and what is the average household size?

Seymour has a total of 6,377 households, with an average of 3 people in each.

What is the median household income in Seymour?

Seymour has a median household income of $107,708, representing a +3.9% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Seymour?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 73.8% (6,836 residents)
  • Blue-collar workers: 26.2% (2,425 residents)

Places of employment:
  • Self-employed: 9.2% (850 residents)
  • Private companies: 68.7% (6,359 residents)
  • Governmental workers: 10.1% (938 residents)
  • Not-for-profit companies: 12% (1,114 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025