What kinds of homes are in Mount Prospect, IL?

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

Mount Prospect, IL has 22,526 (±717) homes (2020–2024 American Community Survey).

That is about 2,101 homes per square mile of land.

56.9% are detached single-family houses.

4.0% are in buildings of two to four units.

35.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 22,526 (±717)
Detached houses: 56.9%
2–4 unit buildings: 4.0%
5+ unit buildings: 35.4%

Homes in Mount Prospect by building size

Housing units by units in structure, 2020–2024
Building type	Mount Prospect	Cook County	Illinois	United States
Single-family, detached	56.9% (±2.2 points)	39.6%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	3.4% (±0.9 points)	5.5%	6.1%	6.2%
2 units	0.7% (±0.6 points)	8.9%	5.2%	3.4%
3 or 4 units	3.3% (±1.1 points)	10.4%	6.4%	4.3%
5 to 9 units	9.5% (±2.0 points)	9.7%	6.3%	4.5%
10 to 19 units	8.5% (±1.6 points)	5.0%	4.0%	4.3%
20 or more units	17.4% (±2.2 points)	20.1%	11.5%	10.3%
Mobile home	0.1% (±0.1 points)	0.8%	2.3%	5.6%
Boat, RV, van, etc.	0.2% (±0.2 points)	0.0%	0.0%	0.1%

In Mount Prospect, the share of homes in buildings of five or more units is not measurably different from Cook County (34.8%).

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 Mount Prospect

Nearest places with a published estimate, compared with Mount Prospect
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Mount Prospect	—	35.4% (±3.4 points)	—
Prospect Heights	2.8 mi	43.7% (±7.0 points)	Higher
Des Plaines	2.8 mi	27.9% (±2.2 points)	Lower
Elk Grove Township	3.1 mi	42.4% (±2.9 points)	Higher
Wheeling Township	3.2 mi	31.7% (±1.9 points)	Not measurably different
Arlington Heights	3.2 mi	34.6% (±2.6 points)	Not measurably different
Maine Township (Cook County)	4.3 mi	31.3% (±1.6 points)	Lower
Rolling Meadows	4.6 mi	32.4% (±4.8 points)	Not measurably different
Wheeling	4.6 mi	40.2% (±4.0 points)	Not measurably different

Nearby places with a measurably lower figure: Des Plaines, IL (27.9%), Maine Township (Cook County), IL (31.3%).

Nearby places with a measurably higher figure: Prospect Heights, IL (43.7%), Elk Grove Township, IL (42.4%).

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 Cook County, place by place

Rank	Place	Homes in buildings of 5 or more units
14	Wheeling	40.2% (±4.0 points)
15	Worth	39.7% (±7.8 points)
16	Countryside	37.6% (±8.3 points)
17	Schiller Park	37.1% (±7.6 points)
18	Richton Park	36.5% (±7.9 points)
19	Indian Head Park	36.2% (±8.7 points)
20	Mount Prospect	35.4% (±3.4 points)
21	Arlington Heights	34.6% (±2.6 points)
22 (tie)	Palatine	34.3% (±2.7 points)
22 (tie)	Calumet Township	34.3% (±6.2 points)
24	Alsip	33.8% (±6.3 points)
25 (tie)	Niles	33.2% (±4.0 points)
25 (tie)	Northlake	33.2% (±6.3 points)

Showing 13 of 148 places in Cook 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 Mount Prospect

How many homes are in Mount Prospect?

Mount Prospect, IL has an estimated 22,526 (±717) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Mount Prospect houses or apartments?

56.9% are detached houses and 3.4% attached houses, while 39.4% are in buildings of two or more units.

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

4.0% of homes in Mount Prospect 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 — Mount Prospect 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 Mount Prospect village, Illinois (place:51089, 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.