What kinds of homes are in Killingly, CT?

Name: Types of homes in Killingly, CT, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Killingly, CT has 7,678 (±282) homes (2020–2024 American Community Survey).

That is about 159 homes per square mile of land.

66.2% are detached single-family houses.

14.8% are in buildings of two to four units.

12.6% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 7,678 (±282)
Detached houses: 66.2%
2–4 unit buildings: 14.8%
5+ unit buildings: 12.6%

Homes in Killingly by building size

Housing units by units in structure, 2020–2024
Building type	Killingly	Northeastern Connecticut Planning Region	Connecticut	United States
Single-family, detached	66.2% (±4.6 points)	74.3%	58.6%	61.3%
Single-family, attached (townhouse, rowhouse)	4.4% (±2.1 points)	4.1%	6.5%	6.2%
2 units	8.5% (±2.9 points)	6.2%	7.5%	3.4%
3 or 4 units	6.3% (±2.5 points)	5.7%	8.1%	4.3%
5 to 9 units	8.1% (±3.2 points)	4.1%	4.9%	4.5%
10 to 19 units	1.7% (±1.2 points)	1.3%	3.5%	4.3%
20 or more units	2.8% (±1.1 points)	2.6%	10.2%	10.3%
Mobile home	1.9% (±0.9 points)	1.7%	0.7%	5.6%
Boat, RV, van, etc.	0.0% (±0.6 points)	0.0%	0.0%	0.1%

In Killingly, the share of homes in buildings of five or more units is higher than in Northeastern Connecticut Planning Region (8.0%).

It is also lower than in Connecticut (18.6%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Killingly

Nearest places with a published estimate, compared with Killingly
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Killingly	—	12.6% (±3.6 points)	—
East Brooklyn	3.9 mi	9.9% (±8.3 points)	Not measurably different
Putnam	5.5 mi	13.5% (±3.9 points)	Not measurably different
Brooklyn	6.3 mi	7.7% (±3.6 points)	Not measurably different
Wauregan	6.4 mi	7.6% (±17.0 points)	Not measurably different
Foster	6.5 mi	4.4% (±3.1 points)	Lower
Putnam (community)	6.8 mi	16.2% (±4.8 points)	Not measurably different
Pomfret	6.9 mi	6.3% (±4.0 points)	Lower
Moosup	7.9 mi	15.9% (±8.3 points)	Not measurably different

Nearby places with a measurably lower figure: Foster, RI (4.4%), Pomfret, CT (6.3%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across Northeastern Connecticut Planning Region, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Ashford	13.6% (±6.4 points)
2	Putnam	13.5% (±3.9 points)
3	Killingly	12.6% (±3.6 points)
4	Plainfield	10.9% (±3.1 points)
5	Brooklyn	7.7% (±3.6 points)
6	Pomfret	6.3% (±4.0 points)
7	Woodstock	5.9% (±3.6 points)
8	Thompson	2.6% (±2.6 points)
9	Eastford	2.5% (±6.2 points)

Showing 9 of 16 places in Northeastern Connecticut Planning Region, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Killingly

How many homes are in Killingly?

Killingly, CT has an estimated 7,678 (±282) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Killingly houses or apartments?

66.2% are detached houses and 4.4% attached houses, while 27.4% are in buildings of two or more units.

How many two-family and small multifamily homes are in Killingly?

14.8% of homes in Killingly are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Killingly town, Northeastern Connecticut Planning Region, Connecticut

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Killingly town, Northeastern Connecticut Planning Region, Connecticut (county subdivision:40500, in state:09 county:150).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.