What kinds of homes are in Greenwich, CT?

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

Greenwich, CT has 25,613 (±573) homes (2020–2024 American Community Survey).

That is about 537 homes per square mile of land.

63.7% are detached single-family houses.

14.2% are in buildings of two to four units.

14.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 25,613 (±573)
Detached houses: 63.7%
2–4 unit buildings: 14.2%
5+ unit buildings: 14.4%

Homes in Greenwich by building size

Housing units by units in structure, 2020–2024
Building type	Greenwich	Western Connecticut Planning Region	Connecticut	United States
Single-family, detached	63.7% (±1.7 points)	57.3%	58.6%	61.3%
Single-family, attached (townhouse, rowhouse)	7.6% (±1.3 points)	7.4%	6.5%	6.2%
2 units	9.6% (±1.4 points)	6.2%	7.5%	3.4%
3 or 4 units	4.6% (±1.2 points)	5.8%	8.1%	4.3%
5 to 9 units	3.9% (±0.9 points)	4.2%	4.9%	4.5%
10 to 19 units	2.6% (±0.9 points)	3.5%	3.5%	4.3%
20 or more units	7.9% (±1.3 points)	15.2%	10.2%	10.3%
Mobile home	0.0% (±0.1 points)	0.4%	0.7%	5.6%
Boat, RV, van, etc.	0.0% (±0.2 points)	0.0%	0.0%	0.1%

In Greenwich, the share of homes in buildings of five or more units is lower than in Western Connecticut Planning Region (22.9%).

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 Greenwich

Nearest places with a published estimate, compared with Greenwich
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Greenwich	—	14.4% (±1.8 points)	—
Village of Rye Brook	2.9 mi	3.3% (±2.3 points)	Lower
Village of Port Chester	3.3 mi	37.8% (±4.4 points)	Higher
Town of Rye	3.9 mi	27.3% (±3.1 points)	Higher
Town of Harrison	4.7 mi	13.7% (±2.5 points)	Not measurably different
Village of Harrison	4.7 mi	13.7% (±2.5 points)	Not measurably different
Stamford	5.2 mi	43.7% (±1.9 points)	Higher
White Plains	6.3 mi	60.7% (±3.3 points)	Higher
Town of North Castle	6.9 mi	4.3% (±3.3 points)	Lower

Nearby places with a measurably lower figure: Village of Rye Brook, NY (3.3%), Town of North Castle, NY (4.3%).

Nearby places with a measurably higher figure: Village of Port Chester, NY (37.8%), Town of Rye, NY (27.3%), Stamford, CT (43.7%).

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 Western Connecticut Planning Region, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Stamford	43.7% (±1.9 points)
2	Norwalk	30.5% (±2.5 points)
3	Danbury	26.6% (±2.9 points)
4	Greenwich	14.4% (±1.8 points)
5	New Milford	13.9% (±2.8 points)
6	Brookfield	13.8% (±4.6 points)
7 (tie)	Bethel	9.8% (±3.0 points)
7 (tie)	Ridgefield	9.8% (±2.6 points)
9	New Canaan	9.2% (±2.9 points)
10	Redding	8.4% (±2.8 points)

Showing 10 of 18 places in Western Connecticut Planning Region, ranked from highest to lowest.

The figures for Greenwich include the places inside it that have pages of their own: Byram, Cos Cob, Glenville, Greenwich (community), Old Greenwich, Pemberwick, Riverside.

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 Greenwich

How many homes are in Greenwich?

Greenwich, CT has an estimated 25,613 (±573) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Greenwich houses or apartments?

63.7% are detached houses and 7.6% attached houses, while 28.6% are in buildings of two or more units.

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

14.2% of homes in Greenwich 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 — Greenwich town, Western 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 Greenwich town, Western Connecticut Planning Region, Connecticut (county subdivision:33620, in state:09 county:190).

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.