How many bedrooms do homes in Waterloo, IL have?

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

In Waterloo, IL, 8.2% of homes are studios or one-bedrooms and 70.8% have three or more bedrooms (2020–2024 American Community Survey).

The most common size is 3 bedrooms, 47.3% of homes.

Figures last updated on November 12, 2026.

Studio or 1 bedroom: 8.2%
3 or more bedrooms: 70.8% (±7.4 points)
Most common: 3 bedrooms

Homes in Waterloo by bedroom count

Housing units by bedrooms, 2020–2024
Bedrooms	Waterloo	Monroe County	Illinois	United States
No bedroom (studio)	0.0% (±0.8 points)	0.0%	3.1%	2.9%
1 bedroom	8.2% (±3.3 points)	4.9%	11.5%	10.9%
2 bedrooms	21.0% (±4.3 points)	20.9%	27.7%	25.0%
3 bedrooms	47.3% (±5.2 points)	49.8%	35.8%	38.7%
4 bedrooms	18.6% (±4.8 points)	19.9%	16.9%	17.5%
5 or more bedrooms	4.9% (±2.1 points)	4.4%	4.8%	4.9%

In Waterloo, the share of homes with three or more bedrooms is not measurably different from Monroe County (74.1%).

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

It is higher than the national figure (61.1%).

Homes with 3 or more bedrooms in places near Waterloo

Nearest places with a published estimate, compared with Waterloo
Place	Distance	Homes with 3 or more bedrooms	Compared with this place
Waterloo	—	70.8% (±7.4 points)	—
Millstadt Township	6.4 mi	80.2% (±11.7 points)	Not measurably different
Valmeyer	8.3 mi	82.1% (±8.9 points)	Not measurably different
Columbia	8.8 mi	72.8% (±7.5 points)	Not measurably different
Maeystown	8.8 mi	85.5% (±34.7 points)	Not measurably different
Millstadt	8.8 mi	82.5% (±14.3 points)	Not measurably different
Prairie Du Long Township	8.9 mi	87.4% (±17.7 points)	Not measurably different
Hecker	9.0 mi	50.9% (±14.5 points)	Lower
Smithton	10 mi	76.1% (±12.6 points)	Not measurably different

Nearby places with a measurably lower figure: Hecker, IL (50.9%).

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

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

Rank	Place	Homes with 3 or more bedrooms
1	Fults	90.9% (±110.7 points)
2	Maeystown	85.5% (±34.7 points)
3	Valmeyer	82.1% (±8.9 points)
4	Columbia	72.8% (±7.5 points)
5	Waterloo	70.8% (±7.4 points)
6	Hecker	50.9% (±14.5 points)

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 Waterloo

What is the most common home size in Waterloo?

The most common size is 3 bedrooms, 47.3% of homes in Waterloo, IL.

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

8.2% of homes in Waterloo have one bedroom or none.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Waterloo 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 Waterloo city, Illinois (place:79150, 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.