Seymour, Connecticut

Town · population 16,748 (2020 Census)

Median home: $370,000
Household income: $107,708
Jan low / Jul high: 18° / 82°
Snow a year: 43 in
Tornadoes ≤10 mi since 1950: 9
Median age: 41.6

Seymour is a town of 16,748 people, Connecticut. The median home is worth $370,000, close to the typical Connecticut town ($376,000). It ranks easier by car than 70% of Connecticut towns.

How Seymour ranks

Percentile among Connecticut towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Connecticut towns.

The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Seymour is worth $370,000, close to the typical Connecticut town ($376,000). Homes cost about 3.4 times the median household income of $107,708, which is more affordable than 60% of Connecticut towns. Median rent is $1,608 a month. 74.2% of households own their home.

Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Connecticut towns with 500+ people.

Housing	Seymour	Typical Connecticut town
Median home value	$370,000	$376,000
Median rent	$1,608	$1,462
Median household income	$107,708	$109,167
Home value ÷ income	3.4×	3.6×
Homeownership	74.2%	80.3%
Median year built	1973	1969
Seasonal / vacation homes	0.8%	—

Who lives in Seymour

People	Seymour	Typical Connecticut town
Median age	41.6	45.0
Age 65 and over	16.8%	20.6%
Under 18	19.3%	—
Bachelor's degree or higher	33.3%	45.8%
Below the poverty line	6.7%	5.7%
Veterans	4.3%	—
Born outside the U.S.	12.0%	—
Work from home	16.4%	16.8%
Average commute	32.0 min	27.6 min
Homes with broadband	92.0%	93.8%

Weather in Seymour

July highs average 82.0°F and January lows 18.4°F. About 52.0 inches of rain and melted snow fall a year, with 43.2 inches of snow (typical Connecticut town: 39.0 in). Expect about 10 days a year at 90°F or hotter and 130 nights at or below freezing.

NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Ansonia 1 Ne station (2.5 mi away); snowfall estimated from the 3 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

9 tornadoes have passed within 10 miles of Seymour since 1950, compared with 8 for the typical Connecticut town. 2 rated (E)F2 or stronger. The strongest, an F4, struck on July 10, 1989 about 9.3 miles from the town center. The most recent was on August 27, 2020.

NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 15 times; the largest was 1.75 inches on October 4, 2010.

Public schools in Seymour

4 public schools with 2,086 students, about 13.7 students per teacher.

School	Grades	Students	Per teacher
Seymour High School	9-12	598	12.5
Chatfield-LoPresti School	K-5	536	14.9
Bungay School	PK-5	480	15.0
Seymour Middle School	6-8	472	13.1

Towns near Seymour

Ansonia, CT
2.9 mi · 18,918 people · home $287,200
Derby, CT
4.1 mi · 12,325 people · home $256,700
Beacon Falls, CT
4.3 mi · 6,000 people · home $350,300
Woodbridge, CT
4.4 mi · 9,087 people · home $588,100
Oxford, CT
5.3 mi · 12,706 people · home $472,400
Bethany, CT
5.3 mi · 5,297 people · home $418,000
East Village, CT
5.6 mi · 4,057 people · home $559,900
Shelton, CT
6.3 mi · 40,869 people · home $452,600

Seymour questions

Is Seymour, Connecticut a good place to retire?

On The Town Files lifestyle rankings, Seymour scores better for retirees than 34% of Connecticut towns and quieter than 34%. 16.8% of residents are 65 or older (median age 41.6).

How much does a house cost in Seymour?

The median owner-occupied home in Seymour is valued at $370,000 (Census ACS 2020–2024), against a median household income of $107,708, so homes cost about 3.4 times income. Median rent is $1,608 a month.

What is the weather like in Seymour?

July highs average 82.0°F and January lows 18.4°F (NOAA 1991–2020 normals). It gets about 52.0 inches of precipitation a year and 43.2 inches of snow.

Does Seymour get tornadoes?

9 tornadoes have passed within 10 miles of Seymour since 1950 (NOAA Storm Events); the strongest was a F4 on July 10, 1989. The typical Connecticut town has had 8.

How this page is made. Every number comes from public data, matched to Seymour's Census boundary (GEOID 0914067610). Comparisons use the median of Connecticut towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center.

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
NOAA NCEI U.S. Climate Normals (1991–2020)
NOAA NCEI Storm Events Database (1950–2026)
FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
NCES Common Core of Data (2023–24)
BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)

Data snapshot 2026-11-13.