How many bedrooms do homes in Swansea, IL have?

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

In Swansea, IL, 12.6% of homes are studios or one-bedrooms and 65.9% have three or more bedrooms (2020–2024 American Community Survey).

The most common size is 3 bedrooms, 35.3% of homes.

Figures last updated on November 12, 2026.

Studio or 1 bedroom: 12.6%
3 or more bedrooms: 65.9% (±7.2 points)
Most common: 3 bedrooms

Homes in Swansea by bedroom count

Housing units by bedrooms, 2020–2024
Bedrooms	Swansea	St. Clair County	Illinois	United States
No bedroom (studio)	2.5% (±1.9 points)	1.9%	3.1%	2.9%
1 bedroom	10.1% (±3.7 points)	8.7%	11.5%	10.9%
2 bedrooms	21.4% (±3.8 points)	27.3%	27.7%	25.0%
3 bedrooms	35.3% (±4.4 points)	39.0%	35.8%	38.7%
4 bedrooms	20.7% (±4.5 points)	18.1%	16.9%	17.5%
5 or more bedrooms	9.9% (±3.5 points)	5.0%	4.8%	4.9%

In Swansea, the share of homes with three or more bedrooms is not measurably different from St. Clair County (62.1%).

It is also higher than in Illinois (57.5%).

It is not measurably different from the national figure (61.1%).

Homes with 3 or more bedrooms in places near Swansea

Nearest places with a published estimate, compared with Swansea
Place	Distance	Homes with 3 or more bedrooms	Compared with this place
Swansea	—	65.9% (±7.2 points)	—
St. Clair Township	1.3 mi	65.2% (±4.9 points)	Not measurably different
Belleville	2.5 mi	52.1% (±3.9 points)	Lower
Fairview Heights	3.2 mi	60.7% (±6.3 points)	Not measurably different
Shiloh	4.0 mi	66.7% (±7.3 points)	Not measurably different
Caseyville Township	4.8 mi	61.4% (±4.1 points)	Not measurably different
O'Fallon	5.1 mi	66.9% (±4.6 points)	Not measurably different
Caseyville	5.9 mi	58.2% (±9.9 points)	Not measurably different
Stookey Township	6.0 mi	79.1% (±7.8 points)	Higher

Nearby places with a measurably lower figure: Belleville, IL (52.1%).

Nearby places with a measurably higher figure: Stookey Township, IL (79.1%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes with 3 or more bedrooms across St. Clair County, place by place

Rank	Place	Homes with 3 or more bedrooms
14	Mascoutah	72.3% (±7.6 points)
15	Engelmann Township	71.0% (±29.0 points)
16	East Carondelet	69.3% (±18.3 points)
17	O'Fallon Township	69.0% (±4.4 points)
18	O'Fallon	66.9% (±4.6 points)
19	Shiloh	66.7% (±7.3 points)
20	Swansea	65.9% (±7.2 points)
21	Lenzburg Township	65.8% (±16.8 points)
22	St. Clair Township	65.2% (±4.9 points)
23	Marissa	63.6% (±11.6 points)
24	Marissa Township	63.5% (±13.3 points)
25 (tie)	Fayetteville	62.4% (±28.3 points)
25 (tie)	Lenzburg	62.4% (±14.7 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 Swansea

What is the most common home size in Swansea?

The most common size is 3 bedrooms, 35.3% of homes in Swansea, IL.

How many studios and one-bedroom homes are in Swansea?

12.6% of homes in Swansea have one bedroom or none.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Swansea 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 Swansea village, Illinois (place:74119, 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_0039PE, DP04_0039PM, DP04_0040PE, DP04_0040PM, DP04_0041PE, DP04_0041PM, DP04_0042PE, DP04_0042PM, DP04_0043PE, DP04_0043PM, DP04_0044PE, DP04_0044PM

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.