What kinds of homes are in Westmont, IL?

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

Westmont, IL has 11,526 (±417) homes (2020–2024 American Community Survey).

That is about 2,290 homes per square mile of land.

40.8% are detached single-family houses.

7.8% are in buildings of two to four units.

43.0% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 11,526 (±417)
Detached houses: 40.8%
2–4 unit buildings: 7.8%
5+ unit buildings: 43.0%

Homes in Westmont by building size

Housing units by units in structure, 2020–2024
Building type	Westmont	DuPage County	Illinois	United States
Single-family, detached	40.8% (±2.3 points)	58.4%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	8.4% (±1.8 points)	11.8%	6.1%	6.2%
2 units	1.4% (±0.8 points)	0.7%	5.2%	3.4%
3 or 4 units	6.4% (±1.5 points)	4.0%	6.4%	4.3%
5 to 9 units	11.1% (±2.0 points)	6.5%	6.3%	4.5%
10 to 19 units	14.1% (±2.2 points)	5.8%	4.0%	4.3%
20 or more units	17.8% (±2.2 points)	12.5%	11.5%	10.3%
Mobile home	0.0% (±0.1 points)	0.3%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±0.3 points)	0.0%	0.0%	0.1%

In Westmont, the share of homes in buildings of five or more units is higher than in DuPage County (24.8%).

It is also higher than in Illinois (21.8%).

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

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

Nearest places with a published estimate, compared with Westmont
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Westmont	—	43.0% (±3.7 points)	—
Clarendon Hills	0.9 mi	21.3% (±6.9 points)	Lower
Hinsdale	2.3 mi	9.3% (±2.1 points)	Lower
Willowbrook	2.4 mi	41.5% (±6.0 points)	Not measurably different
Downers Grove	2.5 mi	27.0% (±2.4 points)	Lower
Downers Grove Township	2.8 mi	24.4% (±1.4 points)	Lower
Oak Brook	3.1 mi	11.8% (±3.3 points)	Lower
Darien	3.4 mi	18.1% (±3.8 points)	Lower
Western Springs	3.8 mi	2.8% (±2.2 points)	Lower

Nearby places with a measurably lower figure: Clarendon Hills, IL (21.3%), Hinsdale, IL (9.3%), Downers Grove, IL (27.0%).

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 DuPage County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Oakbrook Terrace	72.6% (±9.1 points)
2	Westmont	43.0% (±3.7 points)
3	Willowbrook	41.5% (±6.0 points)
4	Bensenville	40.6% (±5.1 points)
5	Lisle	39.0% (±4.4 points)
6	Woodridge	38.2% (±4.3 points)
7	Lombard	36.6% (±2.9 points)
8	Itasca	31.1% (±6.2 points)

Showing 8 of 39 places in DuPage County, 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 Westmont

How many homes are in Westmont?

Westmont, IL has an estimated 11,526 (±417) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Westmont houses or apartments?

40.8% are detached houses and 8.4% attached houses, while 50.8% are in buildings of two or more units.

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

7.8% of homes in Westmont 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 — Westmont village, Illinois

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 Westmont village, Illinois (place:80645, in state:17).

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.