What kinds of homes are in Belmont (community), MA?

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

Belmont (community), MA has 10,881 (±296) homes (2020–2024 American Community Survey).

That is about 2,342 homes per square mile of land.

45.4% are detached single-family houses.

38.4% are in buildings of two to four units.

10.2% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 10,881 (±296)
Detached houses: 45.4%
2–4 unit buildings: 38.4%
5+ unit buildings: 10.2%

Homes in Belmont (community) by building size

Housing units by units in structure, 2020–2024
Building type	Belmont (community)	Middlesex County	Massachusetts	United States
Single-family, detached	45.4% (±2.3 points)	46.5%	51.1%	61.3%
Single-family, attached (townhouse, rowhouse)	6.0% (±1.6 points)	6.9%	5.9%	6.2%
2 units	29.7% (±2.5 points)	12.2%	9.3%	3.4%
3 or 4 units	8.7% (±1.5 points)	8.5%	10.7%	4.3%
5 to 9 units	1.4% (±0.7 points)	4.7%	5.7%	4.5%
10 to 19 units	1.2% (±0.9 points)	5.1%	4.2%	4.3%
20 or more units	7.6% (±1.7 points)	15.7%	12.3%	10.3%
Mobile home	0.0% (±0.4 points)	0.4%	0.8%	5.6%
Boat, RV, van, etc.	0.0% (±0.4 points)	0.1%	0.0%	0.1%

In Belmont (community), the share of homes in buildings of five or more units is lower than in Middlesex County (25.5%).

It is also lower than in Massachusetts (22.2%).

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

Homes in buildings of 5 or more units in places near Belmont (community)

Nearest places with a published estimate, compared with Belmont (community)
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Belmont (community)	—	10.2% (±2.0 points)	—
Watertown	1.8 mi	29.9% (±3.1 points)	Higher
Arlington (community)	1.8 mi	24.9% (±2.9 points)	Higher
Arlington	1.8 mi	24.9% (±2.9 points)	Higher
Waltham	3.2 mi	31.1% (±3.0 points)	Higher
Cambridge	3.4 mi	54.6% (±1.8 points)	Higher
Somerville	4.1 mi	29.9% (±2.0 points)	Higher
Medford	4.1 mi	25.0% (±2.1 points)	Higher
Lexington (community)	4.3 mi	12.8% (±1.9 points)	Not measurably different

Nearby places with a measurably higher figure: Watertown, MA (29.9%), Arlington (community), MA (24.9%), Arlington, MA (24.9%).

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 Middlesex County, place by place

Rank	Place	Homes in buildings of 5 or more units
10	Reading (community)	18.7% (±3.1 points)
11 (tie)	Ayer (community)	16.7% (±7.2 points)
11 (tie)	Maynard (community)	16.7% (±4.4 points)
13	Winchester (community)	14.1% (±3.1 points)
14	Lexington (community)	12.8% (±1.9 points)
15	Hopkinton (community)	12.2% (±6.5 points)
16	Belmont (community)	10.2% (±2.0 points)
17	Wilmington (community)	9.9% (±2.8 points)
18	East Pepperell	9.4% (±7.9 points)
19	Cochituate	7.5% (±4.1 points)
20	Littleton Common	6.3% (±7.8 points)
21	Pinehurst	2.6% (±2.8 points)
22	Hanscom AFB	0.0% (±10.6 points)

Showing 13 of 22 places in Middlesex County, ranked from highest to lowest.

Belmont (community) is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

It lies inside Belmont, whose figures include it.

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 Belmont (community)

How many homes are in Belmont (community)?

Belmont (community), MA has an estimated 10,881 (±296) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Belmont (community) houses or apartments?

45.4% are detached houses and 6.0% attached houses, while 48.6% are in buildings of two or more units.

How many two-family and small multifamily homes are in Belmont (community)?

38.4% of homes in Belmont (community) 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 — Belmont CDP, Massachusetts

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 Belmont CDP, Massachusetts (place:05105, in state:25).

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.