How many bedrooms do homes in Seneca, IL have?

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

In Seneca, IL, 4.0% of homes are studios or one-bedrooms and 73.0% have three or more bedrooms (2020–2024 American Community Survey).

The most common size is 3 bedrooms, 44.7% of homes.

Figures last updated on November 12, 2026.

Studio or 1 bedroom: 4.0%
3 or more bedrooms: 73.0% (±13.8 points)
Most common: 3 bedrooms

Homes in Seneca by bedroom count

Housing units by bedrooms, 2020–2024
Bedrooms	Seneca	LaSalle County	Illinois	United States
No bedroom (studio)	0.0% (±3.8 points)	1.0%	3.1%	2.9%
1 bedroom	4.0% (±3.5 points)	8.9%	11.5%	10.9%
2 bedrooms	22.9% (±9.2 points)	28.9%	27.7%	25.0%
3 bedrooms	44.7% (±10.4 points)	42.9%	35.8%	38.7%
4 bedrooms	20.8% (±8.0 points)	14.9%	16.9%	17.5%
5 or more bedrooms	7.5% (±4.4 points)	3.4%	4.8%	4.9%

In Seneca, the share of homes with three or more bedrooms is not measurably different from LaSalle County (61.2%).

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 Seneca

Nearest places with a published estimate, compared with Seneca
Place	Distance	Homes with 3 or more bedrooms	Compared with this place
Seneca	—	73.0% (±13.8 points)	—
Manlius Township (LaSalle County)	3.0 mi	59.8% (±8.3 points)	Not measurably different
Marseilles	3.7 mi	50.3% (±9.4 points)	Lower
Brookfield Township	4.4 mi	84.3% (±24.2 points)	Not measurably different
Norman Township	4.9 mi	92.5% (±34.2 points)	Not measurably different
Erienna Township	5.4 mi	73.3% (±15.2 points)	Not measurably different
Vienna Township	6.3 mi	76.5% (±17.5 points)	Not measurably different
Miller Township	7.5 mi	71.7% (±38.9 points)	Not measurably different
Kinsman	8.1 mi	52.1% (±27.7 points)	Not measurably different

Nearby places with a measurably lower figure: Marseilles, IL (50.3%).

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

Homes with 3 or more bedrooms across LaSalle County, place by place

Rank	Place	Homes with 3 or more bedrooms
21	Hope Township	76.1% (±10.8 points)
22	Grand Ridge	75.7% (±14.3 points)
23	Mission Township	75.4% (±15.5 points)
24	Ophir Township	75.2% (±22.3 points)
25	Leland	74.2% (±13.5 points)
26	Freedom Township (LaSalle County)	73.1% (±33.6 points)
27	Seneca	73.0% (±13.8 points)
28	Lostant	72.8% (±12.5 points)
29	Tonica	72.3% (±13.3 points)
30	Miller Township	71.7% (±38.9 points)
31 (tie)	Allen Township	71.5% (±15.9 points)
31 (tie)	Earl Township	71.5% (±8.4 points)
33	Eden Township	70.1% (±9.8 points)

Showing 13 of 62 places in LaSalle 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 Seneca

What is the most common home size in Seneca?

The most common size is 3 bedrooms, 44.7% of homes in Seneca, IL.

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

4.0% of homes in Seneca have one bedroom or none.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Seneca 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 Seneca village, Illinois (place:68640, 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.