What kinds of homes are in Belleville, IL?

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

Belleville, IL has 20,212 (±623) homes (2020–2024 American Community Survey).

That is about 870 homes per square mile of land.

66.0% are detached single-family houses.

13.2% are in buildings of two to four units.

13.5% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 20,212 (±623)
Detached houses: 66.0%
2–4 unit buildings: 13.2%
5+ unit buildings: 13.5%

Homes in Belleville by building size

Housing units by units in structure, 2020–2024
Building type	Belleville	St. Clair County	Illinois	United States
Single-family, detached	66.0% (±3.0 points)	72.1%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	5.2% (±1.4 points)	5.2%	6.1%	6.2%
2 units	5.2% (±1.4 points)	3.3%	5.2%	3.4%
3 or 4 units	8.0% (±2.1 points)	4.4%	6.4%	4.3%
5 to 9 units	6.3% (±1.5 points)	5.3%	6.3%	4.5%
10 to 19 units	4.5% (±1.8 points)	2.3%	4.0%	4.3%
20 or more units	2.7% (±1.0 points)	2.9%	11.5%	10.3%
Mobile home	2.2% (±0.9 points)	4.4%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±0.2 points)	0.0%	0.0%	0.1%

In Belleville, the share of homes in buildings of five or more units is higher than in St. Clair County (10.5%).

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 Belleville

Nearest places with a published estimate, compared with Belleville
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Belleville	—	13.5% (±2.5 points)	—
St. Clair Township	1.4 mi	11.7% (±2.6 points)	Not measurably different
Swansea	2.5 mi	12.1% (±4.2 points)	Not measurably different
Shiloh	4.7 mi	16.3% (±5.1 points)	Not measurably different
Stookey Township	5.5 mi	5.9% (±3.2 points)	Lower
Fairview Heights	5.5 mi	13.1% (±3.8 points)	Not measurably different
Smithton Township	5.7 mi	0.0% (±3.8 points)	Lower
Shiloh Valley Township	6.3 mi	7.3% (±2.9 points)	Lower
Millstadt	6.6 mi	1.0% (±3.5 points)	Lower

Nearby places with a measurably lower figure: Stookey Township, IL (5.9%), Smithton Township, IL (0.0%), Shiloh Valley Township, IL (7.3%).

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 St. Clair County, place by place

Rank	Place	Homes in buildings of 5 or more units
2 (tie)	Shiloh	16.3% (±5.1 points)
4	Caseyville Township	15.8% (±3.2 points)
5 (tie)	Brooklyn	15.2% (±18.4 points)
5 (tie)	Stites Township	15.2% (±18.4 points)
7 (tie)	East St. Louis	14.9% (±2.8 points)
7 (tie)	East St. Louis Township	14.9% (±2.8 points)
9	Belleville	13.5% (±2.5 points)
10	Lebanon Township	13.2% (±6.7 points)
11	Fairview Heights	13.1% (±3.8 points)
12	O'Fallon Township	12.5% (±3.2 points)
13	Swansea	12.1% (±4.2 points)
14	St. Clair Township	11.7% (±2.6 points)
15	Dupo	10.4% (±6.7 points)

Showing 13 of 46 places in St. Clair 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 Belleville

How many homes are in Belleville?

Belleville, IL has an estimated 20,212 (±623) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Belleville houses or apartments?

66.0% are detached houses and 5.2% attached houses, while 26.7% are in buildings of two or more units.

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

13.2% of homes in Belleville 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 — Belleville city, 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 Belleville city, Illinois (place:04845, 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.