The Town Files

Killingly, Connecticut

Town · population 17,752 (2020 Census)

Map: where Killingly is in ConnecticutKillingly
Median home
$288,600
Household income
$84,350
Jan low / Jul high
19° / 80°
Snow a year
62 in
Tornadoes ≤10 mi since 1950
9
Median age
39.5

Killingly is a town of 17,752 people, Connecticut. The median home is worth $288,600, below the typical Connecticut town ($376,000). It ranks better for cycling than 82% of Connecticut towns, better for first-time buyers than 80% of Connecticut towns, easier by car than 75% of Connecticut towns.

How Killingly 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.

Killingly lifestyle rankings vs other Connecticut townsRetirement25th pctFamilies13th pctQuiet36th pctWalkability59th pctFirst-time buyers80th pctYoung professionals12th pctVibrancy54th pctHip & trendy29th pctCollege town34th pctUpscale11th pctVacation homesbottomSeaside characterbottomCycling82nd pctTransit23rd pctDriving75th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Killingly is worth $288,600, below the typical Connecticut town ($376,000). Homes cost about 3.4 times the median household income of $84,350, which is more affordable than 60% of Connecticut towns. Median rent is $1,044 a month. 71.6% of households own their home.

Killingly vs county vs typical Connecticut townKillinglyCountyTypical Connecticut townHome value$288,600$376,000Household income$84,350$109,167Monthly rent$1,044$1,462
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Connecticut towns with 500+ people.
HousingKillinglyTypical Connecticut town
Median home value$288,600$376,000
Median rent$1,044$1,462
Median household income$84,350$109,167
Home value ÷ income3.4×3.6×
Homeownership71.6%80.3%
Median year built19681969
Seasonal / vacation homes1.1%—

Who lives in Killingly

PeopleKillinglyTypical Connecticut town
Median age39.545.0
Age 65 and over19.7%20.6%
Under 1819.8%—
Bachelor's degree or higher22.9%45.8%
Below the poverty line11.4%5.7%
Veterans6.9%—
Born outside the U.S.5.1%—
Work from home11.1%16.8%
Average commute27.9 min27.6 min
Homes with broadband93.9%93.8%

Weather in Killingly

July highs average 80.3°F and January lows 18.5°F. About 53.8 inches of rain and melted snow fall a year, with 62.0 inches of snow (typical Connecticut town: 39.0 in). Expect about 4 days a year at 90°F or hotter and 133 nights at or below freezing.

Killingly monthly temperatures and precipitation10°20°30°40°50°60°70°80°90°32° freezing35°19°Jan38°20°Feb46°27°Mar58°37°Apr68°47°May76°56°Jun80°61°Jul79°60°Aug72°53°Sep61°42°Oct50°33°Nov40°24°DecPrecipitation (in) · snow (in) in blue4.515.53.915.65.213.44.72.63.84.53.64.54.45.00.54.52.05.212.4
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the N Foster 1 E station (6.2 mi away).

Tornadoes, storms and disasters

9 tornadoes have passed within 10 miles of Killingly since 1950, compared with 8 for the typical Connecticut town. The strongest, an EF1, struck on September 13, 2023 about 9.3 miles from the town center. The most recent was on September 13, 2023.

Tornadoes within 10 miles of Killingly by decade01950s01960s01970s31980s11990s12000s02010s42020s
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 July 3, 2025.

Towns near Killingly

Killingly questions

Is Killingly, Connecticut a good place to retire?

On The Town Files lifestyle rankings, Killingly scores better for retirees than 25% of Connecticut towns and quieter than 36%. 19.7% of residents are 65 or older (median age 39.5).

How much does a house cost in Killingly?

The median owner-occupied home in Killingly is valued at $288,600 (Census ACS 2020–2024), against a median household income of $84,350, so homes cost about 3.4 times income. Median rent is $1,044 a month.

What is the weather like in Killingly?

July highs average 80.3°F and January lows 18.5°F (NOAA 1991–2020 normals). It gets about 53.8 inches of precipitation a year and 62.0 inches of snow.

Does Killingly get tornadoes?

9 tornadoes have passed within 10 miles of Killingly since 1950 (NOAA Storm Events); the strongest was an EF1 on September 13, 2023. The typical Connecticut town has had 8.

How this page is made. Every number comes from public data, matched to Killingly's Census boundary (GEOID 0915040500). 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. Data snapshot 2026-11-12.