What kinds of homes are in Stonington, CT?

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

Stonington, CT has 9,900 (±337) homes (2020–2024 American Community Survey).

That is about 256 homes per square mile of land.

70.9% are detached single-family houses.

13.8% are in buildings of two to four units.

8.2% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 9,900 (±337)
Detached houses: 70.9%
2–4 unit buildings: 13.8%
5+ unit buildings: 8.2%

Homes in Stonington by building size

Housing units by units in structure, 2020–2024
Building type	Stonington	Southeastern Connecticut Planning Region	Connecticut	United States
Single-family, detached	70.9% (±3.0 points)	61.1%	58.6%	61.3%
Single-family, attached (townhouse, rowhouse)	4.5% (±1.5 points)	5.7%	6.5%	6.2%
2 units	7.0% (±1.7 points)	7.6%	7.5%	3.4%
3 or 4 units	6.8% (±1.5 points)	7.2%	8.1%	4.3%
5 to 9 units	1.5% (±0.5 points)	5.8%	4.9%	4.5%
10 to 19 units	1.1% (±0.6 points)	3.6%	3.5%	4.3%
20 or more units	5.6% (±1.3 points)	6.7%	10.2%	10.3%
Mobile home	2.2% (±1.0 points)	2.3%	0.7%	5.6%
Boat, RV, van, etc.	0.3% (±0.3 points)	0.0%	0.0%	0.1%

In Stonington, the share of homes in buildings of five or more units is lower than in Southeastern Connecticut Planning Region (16.1%).

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 Stonington

Nearest places with a published estimate, compared with Stonington
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Stonington	—	8.2% (±1.5 points)	—
Old Mystic	4.1 mi	6.0% (±5.4 points)	Not measurably different
Noank	4.8 mi	10.1% (±5.4 points)	Not measurably different
Westerly (community)	5.5 mi	13.1% (±3.6 points)	Higher
Poquonock Bridge	5.6 mi	0.0% (±12.1 points)	Not measurably different
Westerly	6.3 mi	10.4% (±2.6 points)	Not measurably different
Groton	6.3 mi	23.8% (±3.2 points)	Higher
Long Hill (Southeastern Connecticut Planning Region)	7.3 mi	73.3% (±12.0 points)	Higher
Ledyard	7.3 mi	3.9% (±2.5 points)	Lower

Nearby places with a measurably lower figure: Ledyard, CT (3.9%).

Nearby places with a measurably higher figure: Westerly (community), RI (13.1%), Groton, CT (23.8%), Long Hill (Southeastern Connecticut Planning Region), CT (73.3%).

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 Southeastern Connecticut Planning Region, place by place

Rank	Place	Homes in buildings of 5 or more units
3	Norwich	23.3% (±2.6 points)
4	Windham	20.0% (±4.1 points)
5	Griswold	18.2% (±5.1 points)
6	Colchester	11.9% (±3.6 points)
7	East Lyme	11.8% (±2.4 points)
8	Sprague	8.9% (±8.0 points)
9	Stonington	8.2% (±1.5 points)
10	Salem	8.1% (±6.8 points)
11	Waterford	7.5% (±2.0 points)
12	Franklin	5.6% (±8.4 points)
13	Montville	5.1% (±1.4 points)
14	Bozrah	4.8% (±4.8 points)
15	Ledyard	3.9% (±2.5 points)

Showing 13 of 19 places in Southeastern Connecticut Planning Region, ranked from highest to lowest.

The figures for Stonington include the places inside it that have pages of their own: Mystic, Pawcatuck.

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 Stonington

How many homes are in Stonington?

Stonington, CT has an estimated 9,900 (±337) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Stonington houses or apartments?

70.9% are detached houses and 4.5% attached houses, while 22.0% are in buildings of two or more units.

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

13.8% of homes in Stonington 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 — Stonington town, Southeastern 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 Stonington town, Southeastern Connecticut Planning Region, Connecticut (county subdivision:73770, in state:09 county:180).

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.