What kinds of homes are in Collinsville Township, IL?

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

Collinsville Township, IL has 16,436 (±520) homes (2020–2024 American Community Survey).

That is about 472 homes per square mile of land.

71.7% are detached single-family houses.

11.2% 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: 16,436 (±520)
Detached houses: 71.7%
2–4 unit buildings: 11.2%
5+ unit buildings: 8.2%

Homes in Collinsville Township by building size

Housing units by units in structure, 2020–2024
Building type	Collinsville Township	Madison County	Illinois	United States
Single-family, detached	71.7% (±2.7 points)	78.9%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	6.2% (±1.8 points)	2.9%	6.1%	6.2%
2 units	4.3% (±1.4 points)	3.1%	5.2%	3.4%
3 or 4 units	6.9% (±1.7 points)	5.0%	6.4%	4.3%
5 to 9 units	2.4% (±1.0 points)	2.4%	6.3%	4.5%
10 to 19 units	3.3% (±1.1 points)	2.1%	4.0%	4.3%
20 or more units	2.5% (±1.1 points)	3.4%	11.5%	10.3%
Mobile home	2.6% (±0.8 points)	2.2%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±0.2 points)	0.0%	0.0%	0.1%

In Collinsville Township, the share of homes in buildings of five or more units is not measurably different from Madison County (7.9%).

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

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

Homes in buildings of 5 or more units in places near Collinsville Township

Nearest places with a published estimate, compared with Collinsville Township
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Collinsville Township	—	8.2% (±1.8 points)	—
Collinsville	2.1 mi	11.9% (±2.8 points)	Higher
Maryville	2.2 mi	3.7% (±3.1 points)	Lower
Glen Carbon	4.0 mi	10.3% (±2.9 points)	Not measurably different
Pontoon Beach	4.7 mi	6.2% (±3.3 points)	Not measurably different
Troy	5.1 mi	7.5% (±3.2 points)	Not measurably different
Nameoki Township	5.3 mi	1.2% (±1.2 points)	Lower
Caseyville Township	5.5 mi	15.8% (±3.2 points)	Higher
Caseyville	5.7 mi	9.2% (±5.7 points)	Not measurably different

Nearby places with a measurably lower figure: Maryville, IL (3.7%), Nameoki Township, IL (1.2%).

Nearby places with a measurably higher figure: Collinsville, IL (11.9%), Caseyville Township, IL (15.8%).

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 Madison County, place by place

Rank	Place	Homes in buildings of 5 or more units
9	Glen Carbon	10.3% (±2.9 points)
10 (tie)	Alton	9.9% (±1.8 points)
10 (tie)	Alton Township	9.9% (±1.8 points)
12	Fort Russell Township	9.6% (±3.7 points)
13 (tie)	South Roxana	8.8% (±7.2 points)
13 (tie)	Helvetia Township	8.8% (±4.0 points)
15	Collinsville Township	8.2% (±1.8 points)
16	Granite City Township	8.0% (±2.3 points)
17	Granite City	7.6% (±2.2 points)
18	Troy	7.5% (±3.2 points)
19	Venice	7.1% (±4.2 points)
20	Pontoon Beach	6.2% (±3.3 points)
21	Wood River Township	6.0% (±1.7 points)

Showing 13 of 53 places in Madison 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.

What you can do on Seayora in Collinsville Township

One account for renting, owning, managing and fixing homes, with these figures beside you.

Own or manage a rental?

List it, sign the lease and collect rent online, with the figures for Collinsville Township beside you.

Create a landlord account · See what landlords get

Looking for a place to rent?

Browse homes for rent near Collinsville Township, save the ones you like and apply online.

Browse rentals · Create a renter account

Do repairs, renovations or maintenance?

Get found by owners and renters near Collinsville Township, and send estimates and invoices from your phone.

Join as a pro · Find a pro

Questions about Collinsville Township

How many homes are in Collinsville Township?

Collinsville Township, IL has an estimated 16,436 (±520) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Collinsville Township houses or apartments?

71.7% are detached houses and 6.2% attached houses, while 19.4% are in buildings of two or more units.

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

11.2% of homes in Collinsville Township 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 — Collinsville township, Madison County, 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 Collinsville township, Madison County, Illinois (county subdivision:15612, in state:17 county:119).

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.